Toz Metalurjisi Yöntemiyle Üretilen Fe Esaslı Fe-Ni-Cu Elmas Kesici Takımında Co’ın Etkisi
Year 2022,
Volume: 3 Issue: 2, 194 - 205, 18.12.2022
İlyas Somunkıran
,
Ertuğrul Çelik
,
Büşra Tunç
,
Çağdaş Güneş
Abstract
Bu çalışmada toz metalürjisi (TM) tekniğiyle Fe esaslı Fe-Ni-Cu matrisine ağırlıkça farklı oranlarda (%10-20-30) kobalt (Co) ilave edilerek üretilen numunelerin mikroyapı ve bazı mekanik özellikleri incelendi. Sinterleme; 920 ºC’ de, 35 MPa basınç altında, 4 dk süreyle argon gazı atmosferinde yapıldı. Numunelerin mikroyapısal karakterizasyonu X-ışınları analizi (XRD), taramalı elektron mikroskobu (SEM), enerji dağılım spektrometresi (EDS) ile incelendi. Yoğunluk ölçümleri yapılan numuneler, sertlik ve üç noktalı eğme deneylerine tabi tutuldu. Sonuç olarak; takviye oranının artması ile porozitede azalma meydana geldi. En yüksek sertlik ve yoğunluk değerinin %20 Co ilaveli numunede olduğu görüldü. Co oranı ilavesiyle başlangıçta eğme gerilmesi ve yüzde uzamanın arttığı ve artan Co oranıyla birlikte eğme gerilmesi ve yüzde uzamanın azaldığı gözlendi.
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The Effect of Co on Fe-Based Fe-Ni-Cu Diamond Cutting Tool Produced by Powder Metallurgy Method
Year 2022,
Volume: 3 Issue: 2, 194 - 205, 18.12.2022
İlyas Somunkıran
,
Ertuğrul Çelik
,
Büşra Tunç
,
Çağdaş Güneş
Abstract
In this study, microstructure and some mechanical properties of the samples were investigated produced by adding different weight (10-20-30%) cobalt (Co) to Fe-based Fe-Ni-Cu matrix by powder metallurgy (TM) technique. Sintering; It was carried out at 920 ºC, under 35 MPa pressure, for 4 minutes in an argon gas atmosphere. Microstructural characterization of the samples was examined by X-ray analysis (XRD), scanning electron microscope (SEM), and energy distribution spectrometry (EDS). Density measurements were made and the samples were subjected to hardness and three-point bending tests. As a result; The porosity decreased with the increase in the reinforcement ratio. It was observed that the highest hardness and density value was in the sample with 20% Co added. It was observed that the bending stress and percent elongation increased with the addition of Co ratio and the bending stress and percent elongation decreased with increasing Co ratio.
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- Thakur U. N., The role of metal powders in manufacturing diamond tools. Proc. Superabrasives'85, Chicago, Illinois, USAS April 22-25, MR85-307, 1985.
- Dwan J. D., HP/HT manufacturing of diamond, www.nantech.ie., 1998.
- Hamar-Thibault S., Allibert C. H., Tillman W., Phase constitution of Cu77Sn8Ti14Zr1 as a binder for diamond tools, Proc. International Workshop on Diamond Tool Production, Turin, Italy, November 8-10, 1999, pp: 57-64.
- Gasik M. M., Kervinen Po., Kaskiala M., Graf P., In situ sintering studies of cobalt powders for diamond tools, Prac, International Workshop on Diamond Tool Production, Turin, Italy, November 8-10, 1999, pp: 107-112.
- Cram A. S. D., Hot isostatic pressing, Proc. Seminar on PM Diamond Tools, Lausanne, Switzerland, November 2-3. 1995.
- Ojeda R. G., del Villar M., Muro P., Iturriza L., Castro F., Densification of diamond tools with Co, Ni and Fe based metallic binders, Proc. PM World Congress & Exhibition, Granada, Spain, 1998, pp: 481-486.
- Samvelion R.V., Manoukion N.V., Extrusion for diamond tool production, Proc. Seminar on PM Diamond Tools, Lausanne, Switzerland, November 2-3, 1995.
- Grüneis H. T., Sintering and brazing all in one, Industrial Diamond Review, No. 25, 45-47, 1998.
- Schmid H. G., Diamond tool production using the DIAPLATE process. Proc. Seminar on PM Diamond Tools, Lausanne, Switzerland, November 2-3, 1995.
- Fiechter A., Schneiden und Schweissen mit gepulsten Nd:YAG Laser, Proc. Seminar on PM Diamond Tools, Lausanne, Switzerland, November 2-3, 1995.
- Fayed M. E., Otten L., Handbook of Powder Science and Technology. New York: Chapman & Hall,1997.
- German R., Powder Metallurgy Science. New Jersey: Princeton, 1994.
- German R., Toz metalurjisi ve Parçacıklı Malzeme İşlemleri. Ankara: TTMD Yayınları, 2007.
- Chang I., Zhao Y., Advances in Powder Metallurgy: Properties, Processing and Applications. Woodhead Publishing, 2013.
- Froes F. H., Eylon D., Eichelman G. E., Burte H. M., Developments in titanium powder metallurgy. JOM, 32(2), 47-54, 1980.
- Qian M., Froes F. H., Titanium powder metallurgy: science, technology and applications. Butterworth-Heinemann, 2015.
- Konstanty J., Sintered diamond tools the past, present and future. Archives of Metallurgy and Materials 66(2), 593-599, 2021.
- Konstanty J., Tyrala D., Easily sinterable low alloy steel powders for P/M diamond tools. Metals, 11(8), 1204, 2021.
- Oishi M., Prospects for cobalt demand. Cobalt News 5 January 11-14, 1979.
- Güneş Ç., Ni Esaslı Katkı Malzemelerinin Matris Özelliklerine Etkisinin Araştırılması, Munzur Üniversitesi Lisansüstü Eğitim Enstitüsü, Yüksek Lisans Tezi (Basılmış), 2022.
- Karaduman O., Structural and thermodynamical study of Cu-Zn-Al shape memory alloys with new compositions produced by hot isostatic press (HIP). In AIP Conference Proceedings, 2178(1), 30-40, 2019.
- Nguyen V. M., Spark plasma sintering of cobalt powders in conjunction with high energy mechanical treatment and nanomodification. Processes, 8(5), 627, 2020.
- Tyson W. R., Surface energies of solid metals. Canadian Metallurgical Quarterly 14(4), 307-314. 1975.
- Uhlmann E., Polte M., Bolz R., Börnstein J., Fundamental research of applying tungsten carbide-cobalt as tool electrode material for sinking EDM. Procedia CIRP, 95, 466-470. 2020.
- Jamrozek J. B., Processing and characterization of Fe-Cu-Ni sinters prepared by ball milling and hot pressing. Arch. Metall Mater, 65(3),1157-1161, 2020.
- Li M., Fabrication of Fe-based diamond composites by pressureless infiltration. Materials 9(12), 1006, 2016.
- Ghosh B., Defect induced room temperature ferromagnetism in single crystal, polycrystal, and nanorod ZnO: A comparative study. Journal of Applied Physics 123(16), 161507, 2018.
- Çelik E., Elmaslı kesici takımlarda alternatif bağlayıcılar, Fırat Üniversitesi Fen Bilimleri Enstitüsü, Doktora Tezi (Basılmış), 2009.