A Comprehensive Review on Sustainability and Environmental Impact of Laser Powder Bed Fusion Additively Manufactured As-Built Ti-6Al-4V Parts

Yıl 2023, Cilt: 10 Sayı: 3, 612 - 644, 30.09.2023

Erkan Tur

https://doi.org/10.31202/ecjse.1325609

Öz

Utilization of additive manufacturing, particularly Laser Powder Bed Fusion (L-PBF), has garnered considerable interest in recent times owing to its capacity to produce intricate geometries and functional components possessing enhanced mechanical characteristics. This review provides a thorough examination of the sustainability and environmental implications associated with the production of as-built Ti-6Al-4V parts using Laser Powder Bed Fusion (L-PBF) technology in additive manufacturing. This study aims to assess the sustainability dimensions of Laser Powder Bed Fusion technology, specifically in relation to material efficiency, energy usage, and waste production. Furthermore, this study evaluates the environmental ramifications associated with L-PBF Ti-6Al-4V components across their entire life cycle, encompassing activities such as extraction of raw materials, processing, utilization, and end-of-life management. This review critically examines the existing body of knowledge pertaining to the sustainability and environmental implications associated with as-built L-PBF Ti-6Al-4V components. The objective of this study is to determine the primary factors that impact sustainability, offer a comprehensive understanding of the environmental consequences associated with L-PBF technology, and delineate the existing constraints, difficulties, and prospects for future investigations in the domain of sustainable additive manufacturing.

Anahtar Kelimeler

Additive Manufacturing (AM), Laser Powder Bed Fusion (L-PBF), Ti-6Al-4V, Sustainability, Environmental Impact

Kaynakça

• [1]. A. Mitchell, U. Lafont, M. Holynska, and C. Semprimoschnig, "Additive manufacturing—A review of 4D printing and future applications," Additive Manufacturing, vol. 24, pp. 606-626, 2018.
• [2]. A., Nouri, A. R. Shirvan, Y. Li, and C. Wen, "Additive manufacturing of metallic and polymeric load-bearing biomaterials using laser powder bed fusion: A review," Journal of Materials Science & Technology, vol. 94, pp. 196-215, 2021.
• [3]. Z. Zou, M. Simonelli, J. Katrib, G. Dimitrakis, and R. Hague, "Microstructure and tensile properties of additive manufactured Ti-6Al-4V with refined prior-β grain structure obtained by rapid heat treatment", Materials Science and Engineering, vol. 814, pp. 1-11, 2021.
• [4]. P. Bocchetta, L. Chen, J. D. P. Tardelli, A. C. d. Reis, F. Almeraya-Calderon, and P. Leo, "Passive layers and corrosion resistance of biomedical Ti-6Al-4V and β-Ti alloys," Coatings, vol. 11, no. 5, pp. 487, 2021.
• [5]. S. Lett, A. Quet, S. Hemery, J. Cormier, E. Meillot, and P. Villechaise, "Residual stresses development during cold spraying of Ti-6Al-4V combined with in situ shot peening," Journal of Thermal Spray Technology, vol. 32, no. 4, pp. 1018-1032, 2023.
• [6]. M. C. Kayacan, Y. E. Delikanlı, B. Duman, and K. Özsoy, "Ti6Al4v toz alaşımı kullanılarak SLS ile üretilen geçişli (değişken) gözenekli numunelerin mekanik özelliklerinin incelenmesi." Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi, vol. 33, no. 1, 2018.
• [7]. Ö. Gökhan, "Eklemeli üretim teknolojileri üzerine bir derleme," Niğde Ömer Halisdemir Üniversitesi Mühendislik Bilimleri Dergisi, vol. 9, no. 1, pp. 606-621, 2020.
• [8]. O. Özsolak, "Eklemeli imalat yöntemleri ve kullanılan malzemeler," International Journal of Innovative Engineering Applications, vol. 3, no. 1, pp. 9-14, 2019.
• [9]. K. Yıldız, M. Mollamahmutoğlu, and O. Yılmaz, "Computational Evaluation of the Effect of Build Orientation on Thermal Behavior and in-situ Martensite Decomposition for Laser Powder-Bed Fusion (LPBF) Process," Gazi University Journal of Science, vol. 36 no. 2, pp. 870-880, 2023.
• [10]. M. C. Kuşhan, Ö. Poyraz, Y. Uzunonat, S. Orak, "Systematical review on the numerical simulations of laser powder bed additive manufacturing," Sigma Journal of Engineering and Natural Sciences, vol. 36, no.4, pp. 1197-1214, 2018.
• [11]. C. Phutela, N. T. Aboulkhair, C. J. Tuck, and I. Ashcroft, “The effects of feature sizes in selectively laser melted Ti-6Al-4V parts on the validity of optimised process parameters,” Materials, vol. 13, no. 1, pp. 1197-1214, 2019.
• [12]. S. A. Silva, et al., "Evaluation of Ti-6Al-4V Alloy Laser Cladding with Tungsten Carbide Coating," Available at SSRN, 4446316.
• [13]. G. Wei, M. Tan, S. Attarilar, J. Li, V. V. Uglov, B. Wang, J. Liu, L. Lu, and L. Wang, "An Overview of Surface Modification, A Way Toward Fabrication of Nascent Biomedical Ti-6Al-4V Alloys," Journal of Materials Research and Technology, vol. 24, no. 1, pg. 5896-5921, 2023.
• [14]. A. Gupta, J. B. Chris, and S. Wei., "High cycle fatigue performance evaluation of a laser powder bed fusion manufactured Ti-6Al-4V bracket for aero-engine applications," Engineering Failure Analysis, vol. 140, no. 1, pp. 106, 2022.
• [15]. S. Ghansiyal, L. Yi, J. Steiner-Stark, M. M. Müller, B. Kirsch, M. Glatt, and J. C. Aurich, "A conceptual framework for layerwise energy prediction in laser-based powder bed fusion process using machine learning," Procedia, CIRP, vol. 116, pp. 7-12, 2023.
• [16]. V. Mercurio, C. Flaviana, and I. Luca, "Sustainable production of AlSi10Mg parts by laser powder bed fusion process," The International Journal of Advanced Manufacturing Technology, vol. 125, no. 7-8, pp. 3117-3133, 2023.
• [17]. M. Tang, Y. Guo, W. Zhang, H. Ma, L. Yang, W. Wei, L. Wang, S. Fan, and Q. Zhang, "On recoated powder quality with a forward rotating flexible roller in laser powder bed fusion of 30 wt% 5 μm SiCp/AlSi10Mg composites," Materials & Design, vol. 225, no.1, pp. 111489, 2023.
• [18]. A. Soltani-Tehrani, J. P. Isaac, H. V. Tippur, D. F. Silva, S. Shao, and N. Shamsaei, "Ti-6Al-4V powder reuse in laser powder bed fusion (L-PBF): The effect on porosity, microstructure, and mechanical behavior," International Journal of Fatigue Part B, vol. 167, no. 1, pp. 107343, 2023.
• [19]. A. Matsko, N. Shaker, A. C. B. C. J. Fernandes, A. Haimeur, and R. França, "Nanoscale Chemical Surface Analyses of Recycled Powder for Direct Metal Powder Bed Fusion Ti-6Al-4V Root Analog Dental Implant: An X-ray Photoelectron Spectroscopy Study," Bioengineering, vol. 10, no. 3, pp. 379-398, 2023.
• [20]. M. Kunieda, A. Suzuki, N. Takata, M. Kato, and M. Kobashi, "Introducing Hatch Spacing into Deposited Energy Density toward Efficient Optimization of Laser Powder Bed Fusion Process Parameters," Materials Transactions, vol. 64, no. 6, pp. 1099-1106, 2023.
• [21]. H. Chen, Y. Lo, Y. Hsu, and K. Lai, "Systematic optimization of L-PBF processing parameters for Al alloy 6061 with YSZ nanoparticles," Optics & Laser Technology, vol. 167, pp. 1-16, 2023.
• [22]. S. Kokare, J. P. Oliveira, and R. Godina., "Life cycle assessment of additive manufacturing processes: A review.", Journal of Manufacturing Systems, vol. 68, pp. 536-559, 2023.
• [23]. S. Aghili, and A. Golzary, "Greening the earth, healing the soil: A comprehensive life cycle assessment of phytoremediation for heavy metal contamination," Environmental Technology & Innovation, vol. 32, no. 1, 103241, 2023.
• [24]. G. M. d. Souza-Melo, and L. P Pletzer-Zelgert, "The CO2 footprint of additive and conventional manufacturing," Aluminium International Today, vol. 35, no. 6, pp. 57-58, 2022.
• [25]. T. M. Tavares, G. M. D. Ganga, M. Godinho Filho, and V.P. Rodrigues, "The benefits and barriers of additive manufacturing for circular economy: A framework proposal," Sustainable Production and Consumption, vol. 37, no. 1, pp. 369-388, 2023.
• [26]. U. Essien, and V. Sébastien, "Issues in metal matrix composites fabricated by laser powder bed fusion technique: a review," Advanced Engineering Materials, vol. 24, no. 10, 2200055, 2022.
• [27]. A. Molotnikov, K. Alex, and B. Milan, "Current state and future trends in laser powder bed fusion technology," Fundamentals of Laser Powder Bed Fusion of Metals, vol. 1, no. 1, pp. 621-634, 2021.
• [28]. J. Wang, R. Zhu, Y. Liu, and L. Zhang, "Understanding melt pool characteristics in laser powder bed fusion: An overview of single and multi-track melt pools for process optimization," Advanced Powder Materials, vol. 2, no. 4, pp. 100-137, 2023.
• [29]. J. M. Ravalji, and S.J. Raval, "Review of quality issues and mitigation strategies for metal powder bed fusion," Rapid Prototyping Journal, vol. 29, no. 4, pp. 792-817, 2023.
• [30]. P. Kumar, J. Farah, J. Akram, C. Teng, J. Ginn, and M. Misra, "Influence of laser processing parameters on porosity in Inconel 718 during additive manufacturing," The International Journal of Advanced Manufacturing Technology, vol. 103, pp. 1497-1507, 2019.
• [31]. Q. Chen, H. Taylor, A. Takezawa, X. Liang, X. Jimenez, R. Wicker, and A. C. To, "Island scanning pattern optimization for residual deformation mitigation in laser powder bed fusion via sequential inherent strain method and sensitivity analysis," Additive Manufacturing, vol. 46, no.1, pp. 102-116, 2021.
• [32]. H. Choo, K. Sham, J. Bohling, A. Ngo, X. Xiao, Y. Ren, P. Depond, M. Matthews, and E. Garlea, "Effect of laser power on defect, texture, and microstructure of a laser powder bed fusion processed 316L stainless steel," Materials & Design, vol. 164, no.1, 107534. 2019
• [33]. P. Nyamekye, S. D. Golroudbary, H. Piili, P. Luukka, and A. Krawlawski, "Impact of additive manufacturing on titanium supply chain: Case of titanium alloys in automotive and aerospace industries," Advances in Industrial and Manufacturing Engineering, vol. 6, 100112, 2023.
• [34]. P. Chinmay, F. Bosio, P. Li, and N. T. Aboulkhair. "Correlating the Microstructure and Hardness of Alsi10mg Powder with Additively Manufacturing Parts Upon In-Situ Heat-Treatments in Laser Powder Bed Fusion," Additive Manufacturing Letters, vol. 7, 100168 2023.
• [35]. H. Williams, and E. Butler-Jones, "Additive manufacturing standards for space resource utilization," Additive Manufacturing, vol. 28, no. 1, pp. 676-681, 2019.
• [36]. S. Ponis, E. Aretoulaki, T. N. Maroutas, G. Plakas, and K. Dimogiorgi, "A systematic literature review on additive manufacturing in the context of circular economy," Sustainability, vol. 13, no. 11, 6007, 2021.
• [37]. J. I. Arrizubieta, O. Ukar, M. Ostolaza, and A. Mugica, "Study of the environmental implications of using metal powder in additive manufacturing and its handling," Metals, vol. 10, no. 2, 261, 2020.
• [38]. J. M. Mochache, “Characterization of Fatigue Strength of Additively Manufactured Ti-6Al-4V with Recoater Blade Interference Flaws and Residual Stresses Towards an Enhanced Fatigue Substantiation Methodology for Aerospace Structures Applications,” Ph.D. dissertation, The University of Texas at Arlington, TA, USA, 2022.
• [39]. W. H. Kan, M. Gao, X. Zhang, E. Liang, N. S. L. Chiu, C. V. S. Lim, and A. Huang, "The influence of porosity on Ti-6Al-4V parts fabricated by laser powder bed fusion in the pursuit of process efficiency," The International Journal of Advanced Manufacturing Technology, vol. 119, no. 7-8, pp. 5417-5438, 2022.
• [40]. A. Gullane, J. W. Murray, C. J. Hyde, S. Sankare, A. Evirgen, and A. T. Clarke, "On the use of multiple layer thicknesses within laser powder bed fusion and the effect on mechanical properties," Materials & Design, vol. 212, no. 1, pp. 1-14, 110256, 2021.
• [41]. A. Lokhande, C. Venkateswaran, M. Ramachandran, C. Vidhya, and R. Kurinjimalar, "A Study on Various Implications on Reusing in Manufacturing," REST Journal on Emerging trends in Modelling and Manufacturing, vol. 7, no. 2, pp. 63-69, 2021.
• [42]. P. Pesode, and S. Barve, "Additive manufacturing of metallic biomaterials: sustainability aspect, opportunity, and challenges," Journal of Industrial and Production Engineering, vol. vol. 40, no. 6, pp. 464-505, 2023.
• [43]. T. P. Moran, D. H. Warner, A. Soltani-Tehrani, N. Shamsaei, and N. Phan, "Spatial inhomogeneity of build defects across the build plate in laser powder bed fusion," Additive Manufacturing, vol. 47, no. 1, pp. 1-9, 102333, 2021.
• [44]. H. Salvi, H. Vesuwala, P. Raval, V. Badheka, and N. Khanna, "Sustainability analysis of additive+ subtractive manufacturing processes for Inconel 625," Sustainable Materials and Technologies, vol. 35, no. 1, pp. 1-22, e00580, 2023.
• [45]. Y. M. Arısoy, L. E. Criales, T. Özel, B. Lane, S. Moylan, and A. Donmez, "Influence of scan strategy and process parameters on microstructure and its optimization in additively manufactured nickel alloy 625 via laser powder bed fusion," The International Journal of Advanced Manufacturing Technology, vol. 90, no. 1, pp. 1393-1417, 2017.
• [46]. I. P. Okokpujie, and K. T. Lagouge, "Performance investigation of the effects of Nano-Additive-Lubricants with cutting parameters on material removal rate of AL8112 Alloy for advanced manufacturing application," Sustainability, vol. 13, no. 15, 8406, 2021.
• [47]. K. Ma, T. Smith, E. J. Lavernia, and J. M. Schoenung, "Environmental sustainability of laser metal deposition: The role of feedstock powder and feedstock utilization factor," Procedia Manufacturing, vol. 7, no. 1, pp. 198-204, 2017.
• [48]. E. Santecchia, S. Spigarelli, and M. Cabibbo, "Material Reuse in Laser Powder Bed Fusion: Side Effects of the Laser—Metal Powder Interaction," Metals, vol. 10, no. 3, pp. 341, 2020.
• [49]. P. Wang, D. Chen, Y. Tang, J. Fan, and G. Li, "The effect of process parameters on the stability and efficiency in the laser powder bed fusion of Ti-6Al-4 V based on the interval powder layer thickness," The International Journal of Advanced Manufacturing Technology, vol. 127, no. 1, pp. 3537-3556, 2023.
• [50]. B. Meier, F. Warchomicka, D. Ehgartner, D. Schuetz, P. Angerer, J. Wosik, C. Belei, J. Petrusa, R. Kaindl, W. Waldhauser, and C. Sommitsch, "Toward a sustainable laser powder bed fusion of Ti 6Al 4 V: Powder reuse and its effects on material properties during a single batch regime," Sustainable Materials and Technologies, vol. 36, no. 1, pp. 1-18, e00626, 2023.
• [51]. P. C. Priarone, V. Lunetto, E. Atzeni, and A. Salmi, "Laser powder bed fusion (L-PBF) additive manufacturing: On the correlation between design choices and process sustainability," Procedia CIRP, vol. 78, no.1, pp. 85-90, 2018. [52]. M. Zavala-Arredondo, T. London, M. Allen, T. Maccio, S. Ward, D. Griffiths, A. Allison, P. Goodwin, and C. Hauser, "Use of power factor and specific point energy as design parameters in laser powder-bed-fusion (L-PBF) of AlSi10Mg alloy," Materials and Design, vol. 182, no. 1, pp. 1-15, 108018, 2019.
• [53]. E. Ramirez-Cedillo, E. Garcia-Lopez, L. Ruiz-Huerta, C. A. Rodriguez, and H. R. Siller, "Reusable unit process life cycle inventory (UPLCI) for manufacturing: laser powder bed fusion (L-PBF)," Production Engineering, vol. 15, no. 1, pp. 701-716, 2021.
• [54]. H. Pan, T. Dahmen, M. Bayat, K. Lin, and X. Zhang, "Independent effects of laser power and scanning speed on IN718's precipitation and mechanical properties produced by LBPF plus heat treatment," Materials Science and Engineering: A, vol. 849, no. 1, pp. 1-16 143530, 2022.
• [55]. H. Yeung, B. Lane, and J. Fox. "Part geometry and conduction-based laser power control for powder bed fusion additive manufacturing," Additive manufacturing, vol. 30, no. 1, pp. 1-13 100844, 2019.
• [56]. T. Shen, W. Yao, and X. Quan, "In-situ visualization of powder wrapping behavior in millimeter-scale-beam lunar regolith powder bed fusion," Powder Technology, vol. 425, no.1, 118552, 2023.
• [57]. S. N. Harithsa, S. A. Kumar, R. Velu, and B. K. Nagesha, "Laser powder bed fusion technique of hydrogen–fueled gas turbine: Role of advanced materials and its challenges," Materials Today: Proceedings, vol. 1, no. 1, pp. 1-4, 2023.
• [58]. H. Hegab, N. Khanna, N. Monib, and A. Salem, "Design for sustainable additive manufacturing: A review," Sustainable Materials and Technologies, vol. 35, no. 1, e00576, 2023.
• [59]. D. Böckin, and A. Tillman. "Environmental assessment of additive manufacturing in the automotive industry," Journal of Cleaner Production, vol. 226, no. 1, pp. 977-987, 2019.
• [60]. E. Atzeni, A. R. Catalano, P. C. Priarone, and A. Salmi, "The technology, economy, and environmental sustainability of isotropic superfinishing applied to electron-beam melted Ti-6Al-4V components," The International Journal of Advanced Manufacturing Technology, vol. 117, no. 1, pp. 437-453, 2021.
• [61]. A. Fatemi, R. Molaei, S. Sharifimehr, N. Phan, and N. Shamsaei, "Multiaxial fatigue behavior of wrought and additive manufactured Ti-6Al-4V including surface finish effect," International Journal of Fatigue, vol. 100, no. 1, pp. 347-366, 2017.
• [62]. V. Lunetto, M. Galati, L. Settineri, and L. Iuliano, "Unit process energy consumption analysis and models for Electron Beam Melting (EBM): Effects of process and part designs," Additive Manufacturing, vol. 33, no. 1, 101115, 2020.
• [63]. A.B. Stefaniak, S. Du Preez, and J. L. Du Plessis. "Additive manufacturing for occupational hygiene: a comprehensive review of processes, emissions, & exposures," Journal of Toxicology and Environmental Health, Part B, vol. 24, no. 5, pp. 173-222, 2021.
• [64]. D. Bourell, and T. Wohlers, "Introduction to additive manufacturing," Additive Manufacturing Processes, vol. 24, pp. 3-10, 2020.
• [65]. Y. Zhang, W. Jarosinski, Y. Jung, and J. Zhang, "Additive manufacturing processes and equipment," Additive manufacturing, vol. 1, no.1, pp. 39-51, 2018.
• [66]. R. Singh, A. Gupta, O. Tripathi, S. Srivastava, B. Singh, A. Awasthi S. K. Rajput, P. Sonia, P. Singhal, and K. K. Saxena, "Powder bed fusion process in additive manufacturing: An overview," Materials Today: Proceedings, vol. 26, no.2, pp. 3058-3070, 2020.
• [67]. I. Gibson, D. Rosen, and B. Stucker, "Directed energy deposition processes," Additive manufacturing technologies: 3D printing, rapid prototyping, and direct digital manufacturing, vol. 1, pp. 245-268, 2015.
• [68]. M. M. Mohammadi, D. Mahmoud, and M. Elbestawi. "On the application of machine learning for defect detection in L-PBF additive manufacturing," Optics & Laser Technology, vol. 143, 107338, 2021.
• [69]. R. Nandhakumar, and K. Venkatesan, "A process parameters review on Selective laser melting-based additive manufacturing of Single and Multi-Material: Microstructure, Properties, and machinability aspects," Materials Today Communications, vol. 35, 105538, 2023.
• [70]. H. Ghadimi, A. P. Jirandehi, S. Nameti, H. Ding, A. Garbie, J. Rush, C. Zeng, and S. Guo, "Effects of Printing Layer Orientation on the High-Frequency Bending-Fatigue Life and Tensile Strength of Additively Manufactured 17-4 PH Stainless Steel," Materials, vol. 16, no. 2, 469, 2023.
• [71]. U. Habiba, and R. J. Hebert. "Powder Spreading Mechanism in Laser Powder Bed Fusion Additive Manufacturing: Experiments and Computational Approach Using Discrete Element Method," Materials, vol. 16, no. 7, 2824, 2023.
• [72]. I. Yadroitsev, and I. Yadroitsava, "A step-by-step guide to the L-PBF process," Fundamentals of Laser Powder Bed Fusion of Metals, vol. 1, no. 3, pp. 39-77, 2021.
• [73]. L. Zai, C. Zhang, Y. Wang, W. Guo, D. Wellmann, X. Tong, and Y. Tian, "Laser powder bed fusion of precipitation-hardened martensitic stainless steels: A Review," Metals, vol. 10, no. 2, 255, 2020.
• [74]. D. Yin, E. Gienger, B. Croom, L. Reider, B. Trethwey, A. Lark, S. Nimer, R. Carter, Z. Post, T. Montalbano, C. Chung, J. Rettaliata, and M. Presley, "Variability in mechanical properties of additively manufactured 17-4 PH stainless steel produced by multiple vendors: Insights for qualification," The International Journal of Advanced Manufacturing Technology, Preprint, 2023.
• [75]. A. Elkaseer, A. Charles, and S. G. Scholz, "Development of Precision Additive Manufacturing Processes," Precision Metal Additive Manufacturing, vol 1., no. 1, pp. 35-68, 2020.
• [76]. H. Fan, C. Wang, Y. Tian, K. Zhou, and S. Yang, "Laser powder bed fusion (L-PBF) of Ti–6Al–4V/Ti–6Al–2Sn–4Zr–2Mo and Ti–6Al–4V/γ-TiAl bimetals: Processability, interface and mechanical properties," Materials Science and Engineering: A, vol. 871, 144907, 2023.
• [77]. Z. Alam, F. Iqbal, and D. A. Khan, “Post-Processing Techniques for Additive Manufacturing”, 1’st ed., USA, CRC Press, 2023, pp. 27-36.
• [78]. D. Khrapov, A. Paveleva, M. Kozadayeva, S. Evsevleev, T. Mishurova, G. Bruno, R. Surmenev, A. Koptyug, and M. Surmaneva, "Trapped powder removal from sheet-based porous structures based on triply periodic minimal surfaces fabricated by electron beam powder bed fusion," Materials Science and Engineering: A, vol. 862, 144479, 2023.
• [79]. J. Lee, M. Lee, S. M. Yeon, J. Yoon, H. Lee, and T. Jun, "Unravelling anisotropic deformation behaviour of Ti-6Al-4V ELI fabricated by powder bed fusion additive manufacturing," Materials Characterization, vol. 202, 113017, 2023.
• [80]. M. Asherloo, J. Hwang, R. Leroux, Z. Wu, K. Fezzaa, M. Paliwal, A. D. Rollett, and A. Mostafaei, "Understanding process-microstructure-property relationships in laser powder bed fusion of non-spherical Ti-6Al-4V powder," Materials Characterization, vol. 198, 112757, 2023.
• [81]. Z. Snow, C. Cummings, E. W. Reutzel, A. Nassar, K. Abbot, P. Guerrier, S. Kelly, S. McKown, J. Blecher, and R. Overdorff, "Analysis of factors affecting fatigue performance of HIP'd laser-based powder bed fusion Ti–6Al–4V coupons," Materials Science and Engineering: A, vol. 864, 144575, 2023.
• [82]. Z. Jin, Z. Zhang, K. Demir, and G. X. Gu, "Machine learning for advanced additive manufacturing," Matter, vol. 3, no. 5, pp. 1541-1556, 2020.
• [83]. M. Mazur, and P. R. Selvakannan, "Laser Powder Bed Fusion—Principles, Challenges, and Opportunities," Additive Manufacturing for Chemical Sciences and Engineering, 1’st ed., Singapore, Springer, 2022, pp. 77-108.
• [84]. C. Y. Yap, C. K. Chua, Z. L. Dong, Z. H. Liu, D. Q. Zhang, L. E. Loh, and S. L. Sing, "Review of selective laser melting: Materials and applications," Applied Physics Reviews, vol. 2, no. 4, 2015.
• [85]. A. Moridi, A. G. Demir, L. Caprio, A. J. Hart, B. Previtali, and B. Colosimo, "Deformation and failure mechanisms of Ti–6Al–4V as built by selective laser melting," Materials Science and Engineering: A, vol. 768, 138456, 2019.
• [86]. L. Scime, and J. Beuth, "Melt pool geometry and morphology variability for the Inconel 718 alloy in a laser powder bed fusion additive manufacturing process," Additive Manufacturing, vol. 29, 100830, 2019. [87]. R. Wang, B. Standfield, C. Dou, A. C. Law, and Z. J. Kong, "Real-time process monitoring and closed-loop control on laser power via a customized laser powder bed fusion platform," Additive Manufacturing, vol. 66, 103449, 2023.
• [88]. Y. Lin, W. Shi, J. Li, Y. Liu, S. Liu, and J. Li, "Evaluation of mechanical properties of Ti–6Al–4V BCC lattice structure with different density gradient variations prepared by L-PBF," Materials Science and Engineering: A, vol. 872, 144986, 2023.
• [89]. J. Noronha, J. Rogers, M. Leary, E. Kyriakou, S. B. Inverarity, R. Das, M. Brandt, and M. Qian, "Ti-6Al-4V hollow-strut lattices by laser powder bed fusion," Additive Manufacturing, vol. 72, 103637, 2023.
• [90]. H. R. Javidrad, and F. Javidrad, "Review of state-of-the-art research on the design and manufacturing of support structures for powder-bed fusion additive manufacturing," Progress in Additive Manufacturing, vol. 6, pp. 1-26, 2023.
• [91]. A. P. Nagalingam, B. L. Toh, and S. H. Yeo, "Surface Polishing of Laser Powder Bed Fused Inconel 625 Surfaces Using Multi-jet Hydrodynamic Cavitation Abrasive Finishing: An Emerging Class of Cleaner Surface Enhancement Process," International Journal of Precision Engineering and Manufacturing-Green Technology, vol. 10, no. 3, pp. 637-657, 2023.
• [92]. P. K. Singh, S. Kumar, P. K. Jain, and U. S. Dixit, "Effect of Build Orientation on Metallurgical and Mechanical Properties of Additively Manufactured Ti-6Al-4V Alloy," Journal of Materials Engineering and Performance, vol. 1, no. 1, pp. 1-18, 2023.
• [93]. L. Yao, A. Ramesh, Z. Xiao, Y. Chen, and Q. Zhuang, "Multimetal Research in Powder Bed Fusion: A Review," Materials, vol. 16, no. 12, pp. 1-22, 2023.
• [94]. N. Ghisi, H. Alqaydi, N. Alshehhi, N. Abdoulkhair, and A. M. Esawi, "State-of-the-art in additive manufacturing of Ti–6Al–4V: recent progress and insights into future developments," Advances in Additive Manufacturing Artificial Intelligence, Nature-Inspired, and Biomanufacturing, vol. 1, no. 1, pp. 405-429, 2023.
• [95]. Elambasseril, Joe, et al. "Laser powder bed fusion additive manufacturing (LPBF-AM): the influence of design features and LPBF variables on surface topography and effect on fatigue properties," Critical reviews in solid state and materials sciences 48.1 (2023): 132-168.
• [96]. Tahchieva, Alisiya Biserova, et al. "Additive manufacturing processes in selected corrosion resistant materials: a state of knowledge review." (2023).
• [97]. Wu, Zhengkai, et al. "Structural integrity issues of additively manufactured railway components: Progress and challenges," Engineering Failure Analysis (2023): 107265.
• [98]. X. Z. Zhang, H. P. Tang, J. Wang, L. Jia, Y. X. Fan, M. Leary, and M. Qian, “Additive manufacturing of intricate lattice materials: Ensuring robust strut additive continuity to realize the design potential,” Additive Manufacturing, vol. 58, no.1, 103022, 2022.
• [99]. B. Blakey-Milner, P. Gradl, G. Snedden, M. Brooks, J. Pitot, E. Lopez, M. Leary, F. Berto, and A. d. Plessis, "Metal additive manufacturing in aerospace: A review," Materials & Design, vol. 209, no. 1, pp. 1-31, 2021. [100]. N. Asnafi, "Application of laser-based powder bed fusion for direct metal tooling," Metals, vol. 11, no. 3, pp. 1-45, 2021.
• [101]. P. Nyamekye, P. Nieminen, M. R. Bilesan, E. Repo, H. Piili, and A. Salminen, "Prospects for laser-based powder bed fusion in the manufacturing of metal electrodes: A review," Applied Materials Today, vol. 23, no.1, pp. 1-20, 2021.
• [102]. A. O. Muhannad, A. Mussatto, M. N. Dogu, S. P. Sreenilayam, E. McCarthy, I. U. Ahad, S. Keaveney, and D. Brabozon, "Laser surface polishing of Ti-6Al-4V parts manufactured by laser powder bed fusion," Surface and Coatings Technology, vol. 434, no.1, 128179, 2022.
• [103]. J. Pegues, K. Leung, A. Keshtgar, L. Airoldi, N. Apetre, N. Iyyer, and N. Shamsaei, "Effect of process parameter variation on microstructure and mechanical properties of additively manufactured Ti-6Al-4V," 2017 International Solid Freeform Fabrication Symposium, University of Texas at Austin, Texas, USA, 2017, pp. 61-74.
• [104]. S. L. Lu, Z. J. Zhang, R. Liu, Z. Qu, S. J. Li, X. H. Zhou, Q. Q. Duan, B. N. Zhang, X. M. Zhao, W. Zhao, P. Ramasamy, J. Eckert, and Z. F. Zhang, "Tailoring hierarchical microstructures to improve the strength and plasticity of a laser powder bed fusion additively manufactured Ti-6Al-4V alloy," Additive Manufacturing, vol. 71, 103603, 2023.
• [105]. T. Delacroix, F. Lomello, F. Schuster, H. Maskrot, V. Jacquier, P. Lapouge, F. Coste, and J. Garandet, "Measurement of powder bed oxygen content by image analysis in laser powder bed fusion," Materials & Design, vol. 226, no. 1, pp. 1-13, 111667, 2023.
• [106]. L. C. B. Carolo, and R E. Cooper, “A review on the influence of process variables on the surface roughness of Ti-6Al-4V by electron beam powder bed fusion,” Additive Manufacturing, vol. 59, 103103, 2022.
• [107]. M. Xue, X. Chen, X. Ji, X. Xie, Q. Chao, and G. Fan, "Effect of Particle Size Distribution on the Printing Quality and Tensile Properties of Ti-6Al-4V Alloy Produced by LPBF Process," Metals, vol .13, no. 3, 604, 2023.
• [108]. D. Y. Pimenov, L. F. Berti, G. Pintaude, G. X. Peres, Y. Chaurasia, N. Khanna, and K. Giasin, "Influence of selective laser melting process parameters on the surface integrity of difficult-to-cut alloys: comprehensive review and future prospects," The International Journal of Advanced Manufacturing Technology, vol. 127, no. 1, pp. 1071-1102, 2023.
• [109]. T. Kantonen, "Processing of novel nickel free stainless steel by laser powder bed fusion additive," M.S. thesis, Dept. Mech. Eng., University of Turku, Turku, Finland, 2023.
• [110]. Kumar, Sanjay. "Advantage and Disadvantage," Additive Manufacturing Advantage, Switzerland, Springer Nature, 2023, pp. 1-60.
• [111]. C. Liu, S. Gu, X. Yan, S. Yoon, Y. Kimura, Y. Toku, and Y. Ju, "Rapid Microstructure Modification of Additively Manufactured Ni-Based Superalloy Using High-Density Pulsed Electric Current," Materials Today Communications, vol. 36, no.1, pp. 1-20, 2023.
• [112]. M. U. Farooq, S. Anwar, R. Ullah, and R. H. Guerra, "Sustainable machining of additive manufactured SS-316L underpinning low carbon manufacturing goal," Journal of Materials Research and Technology, vol. 24, no. 1, pp. 2299-2318, 2023.
• [113]. P. G. Allison, J. B. Jordon, M. B. Williams, T. Pierson, R. Kinser, T. W. Rushing, B. J. Phillips, and K. J. Doherty, "Point-of-Need Innovations: Metal Additive Manufacturing and Repair," Advanced Materials & Processes, vol. 181, no. 1, pp. 12-20, 2023.
• [114]. J. Zhu, K. Liu, T. Riemslag, F. D. Tichelaar, E. Borisov, X. Yao, A. Popovich, R. Huizenga, M. Hermans, and V. Popovich, "Achieving superelasticity in additively manufactured Ni-lean NiTi by crystallographic design," Materials & Design, vol. 230, 111949, 2023.
• [115]. P. Moghimian, T. Poirie, J. Kroeger, F. Marion, and F. Larouche, "Emerging functional metals in additive manufacturing," Advanced Engineering Materials, vol. 25, no. 11, 2201800, 2023.
• [116]. P. C. Priarone, A. R. Catalano, and L. Settineri. "Additive manufacturing for the automotive industry: on the life-cycle environmental implications of material substitution and lightweighting through re-design," Progress in Additive Manufacturing, vol. 23, pp. 1-12, 2023.
• [117]. S. Deklerck, "Life Cycle Assessment as a decision-making tool within vaccine manufacturing–Potential and Limitations," M.S. thesis, Dept. Sust. Develop., Uppsala University, Uppsala, Sweden, 2023.
• [118]. K. Sanjeeviprakash, A. R. Kannan, and N. S. Shanmugam. "Additive manufacturing of metal-based functionally graded materials: overview, recent advancements and challenges," Journal of the Brazilian Society of Mechanical Sciences and Engineering, vol. 45, no. 5, 241, 2023.
• [119]. P. Wanjara, D. Backman, F. Sikan, J. Gholipour, R. Amos, P. Patnaik, and M. Brochu, “Microstructure and Mechanical Properties of Ti-6Al-4V Additively Manufactured by Electron Beam Melting with 3D Part Nesting and Powder Reuse Influences,” Journal of Manufacturing and Materials Processing, vol. 6, no. 1, pp. 1-21, 2022.
• [120]. R. Lakshmanan, P. Nyamekye, V. Virolainen, and H. Piili, "The convergence of lean management and additive manufacturing: Case of manufacturing industries," Cleaner Engineering and Technology, vol. 13, no.1, pp. 1-12, 2023.
• [121]. H. Yang, J. Sha, D. Zhao, F. He, Z. Ma, C. He, C. Shi, and N. Zhao, "Defects Control of Aluminum Alloys and Their Composites Fabricated via Laser Powder Bed Fusion: A Review," Journal of Materials Processing Technology, vol. 319, 118064, 2023.
• [122]. O. Rayan, J. Brousseau, C. Belzile, and A. E. Ouafi, "Maraging steel powder recycling effect on the tensile and fatigue behavior of parts produced through the laser powder bed fusion (L-PBF) process," The International Journal of Advanced Manufacturing Technology, vol. 127, no. 1, pp. 1737-1754, 2023.
• [123]. M. Gor, H. Soni, V. Wankhede, P. Sahlot, K. Grzelak, I. Szachgluchowicz, and J. Kluczynski, "A critical review on effect of process parameters on mechanical and microstructural properties of powder-bed fusion additive manufacturing of ss316l," Materials, vol. 14, no. 21, pp. 1-28, 2021.
• [124]. X. Zhao, and T. Wang. "Laser powder bed fusion of powder material: A review," 3D Printing and Additive Manufacturing, vol. 0, no. 0, pp. 1-17, 2022.
• [125]. A. Das, J. S. Bryant, C. B. Williams, and M. J. Bortner, "Melt-Based Additive Manufacturing of Polyolefins Using Material Extrusion and Powder Bed Fusion," Polymer Reviews, vol. 1, no. 1, pp. 1-66, 2023.
• [126]. A. D. Plessis, I. Yadroitsava, and I. Yadroitsev, "Effects of defects on mechanical properties in metal additive manufacturing: A review focusing on X-ray tomography insights," Materials & Design, vol. 187, pp. 1-19, 108385, 2020.
• [127]. I. Yadroitsev, and I. Yadroitsava. A step-by-step guide to the L-PBF process, Fundamentals of Laser Powder Bed Fusion of Metals, 1’st ed., USA, Elsevier, 2021. pp. 39-77.
• [128]. N. K. Adomako, N. Haghdadi, and S. Primig, "Electron and laser-based additive manufacturing of Ni-based superalloys: a review of heterogeneities in microstructure and mechanical properties," Materials & Design, vol. 223, no. 1, 111245, 2022.
• [129]. E. M. Sefene, "State-of-the-art of selective laser melting process: A comprehensive review," Journal of Manufacturing Systems, vol. 63, pp. 250-274, 2022.
• [130]. T. Delacroix, F. Lomello, F. Schuster, H. Maskrot, and J. Garandet, "Influence of powder recycling on 316L stainless steel feedstocks and printed parts in laser powder bed fusion," Additive Manufacturing, vol. 50, 102553, 2022.
• [131]. D. Powell, A. E. W Rennie, L. Geekie, and N. Burns, "Understanding powder degradation in metal additive manufacturing to allow the upcycling of recycled powders," Journal of Cleaner Production, vol. 268, 122077, 2020.
• [132]. T. Fiegl, M. Franke, A. Raza, E. Hryha, and C. Körner, "Effect of AlSi10Mg0. 4 long-term reused powder in PBF-LB/M on the mechanical properties," Materials & Design, vol. 212, 110176, 2021.
• [133]. P. Moghimian, T. Poirie, M. Habibnejad-Korayem, J. A. Zavala, J. Kroeger, F. Marion, and F. Larouche, "Metal powders in additive manufacturing: A review on reusability and recyclability of common titanium, nickel and aluminum alloys," Additive Manufacturing, vol. 43, 102017, 2021.
• [134]. de Souza Melo, Gustavo Menezes, et al. "The CO^ sub 2^ footprint of additive and conventional manufacturing.", Aluminium International Today 35.6 (2022): 57-58. R. Lakshmanan, “Environmental Impact of Additive Manufacturing in the Renewable Energy Industry: Case of Wind Turbine,” M.S thesis, Dept. of Energy Sys., Lut University, Finland, 2022.
• [135]. J. Braga, T. Santos, M. Shadman, C. Silva, L. F. A. Tavares, and S. Estefen, "Converting Offshore Oil and Gas Infrastructures into Renewable Energy Generation Plants: An Economic and Technical Analysis of the Decommissioning Delay in the Brazilian Case," Sustainability, vol. 14, no. 21, 13783, 2022.
• [136]. A. Salmi, G. Piscopo, E. Atzeni, P. Minetola, and L. Iuliano, "On the effect of part orientation on stress distribution in AlSi10Mg specimens fabricated by laser powder bed fusion (L-PBF)," Procedia CIRP, vol. 67, no. 1, pp. 191-196, 2018.
• [137]. A. Charles, A. Hofer, A. Elkaseer, and S. G. Scholz, "Additive manufacturing in the automotive industry and the potential for driving the green and electric transition," Proceedings of the International Conference on Sustainable Design and Manufacturing, 1’st ed., Singapore, Springer Singapore, 2021, pp. 339-346.
• [138]. H. Park, H. Ko, Y. T. Lee, S. Feng, P. Witherell, and H. Cho, "Collaborative knowledge management to identify data analytics opportunities in additive manufacturing," Journal of Intelligent Manufacturing, vol.34, no.1, pp. 1-24, 2021.
• [139]. G. Xu, Y. Wu, T. Minshall, and Y. Zhou, "Exploring innovation ecosystems across science, technology, and business: A case of 3D printing in China," Technological Forecasting and Social Change, vol. 136, no. 1, pp. 208-221, 2018.
• [140]. J. Li, W. Shi, Y. Lin, J. Li, S. Liu, and B. Liu, "Comparative study on MQL milling and hole making processes for laser beam powder bed fusion (L-PBF) of Ti-6Al-4V titanium alloy," Journal of Manufacturing Processes, vol. 94, no. 1, pp. 20-34, 2023.