TY  - JOUR
T1  - Kriyojenik İşlem Uygulanan Elektro Erozyon Elektrot Takımının Performansının Araştırılması
TT  - Cryogenic Heat Treatment of Electro Discharge Machining Electrode Tooling Investigation of Performance
AU  - Ay, Mustafa
AU  - Apak, Savaş
PY  - 2024
DA  - March
Y2  - 2024
DO  - 10.35234/fumbd.1408353
JF  - Fırat Üniversitesi Mühendislik Bilimleri Dergisi
PB  - Fırat Üniversitesi
WT  - DergiPark
SN  - 1308-9072
SP  - 447
EP  - 458
VL  - 36
IS  - 1
LA  - tr
AB  - Bu çalışmada, Ti-6Al-4V alaşımının elektro erozyon ile işleme (EEİ) tezgâhında kullanılan elektrot malzemesinin kriyojenik işlem sonucunda takımın işleme performansı araştırılmıştır. Çalışma kapsamında, pirinç malzemeden seçilen elektrotlar [Oda sıcaklığı /  −184°C / Oda sıcaklığı] arasında bir çevrim ile kriyojenik işleme tabi tutulmuştur. Deneylerde pirinç ve kriyojenik pirinç elektrotlarla boşalım akımı (Ip), vurum süresi (Ton), bekleme süresi (Toff) ve boşluk voltaj (Vg) gibi en etkili işlem parametreleri değişken seçilmiştir. Deneyler sonucunda ürün kalitesini belirleyen, tekrar katılaşan katman kalınlığı, malzeme kaldırma oranı ve koniklik açısı ölçümleri yapılarak değerlendirilmiştir. Elektrotlara uygulanan kriyojenik işlem sonucunda, EEİ işlem performansında pozitif iyileşmeler elde edildiği tespit edilmiştir. Tekrar katılaşan katman kalınlığı, malzeme kaldırma oranı ve koniklik miktarı oranlarının Ip, Vg ve Ton pozitif yönde Toff ise negatif yönde etki ettiği sonucuna varılmıştır.
KW  - Elektro Erozyon ile İşleme (EEİ)
KW  - Kriyojenik ısıl işlem
KW  - Ti-6Al-4V
N2  - In this study, the machining performance of the electrode material used in the Electro Discharge Machining (EDM) of Ti-6Al-4V alloy was investigated as a result of cryogenic treatment. Within the scope of the study, electrodes selected from brass material were subjected to cryogenic treatment with a cycle between [Room temperature / -184°C / Room temperature]. In the experiments, the most effective process parameters such as discharge current (Ip), pulse on time (Ton), pulse off time (Toff) and gap voltage (Vg) were selected as variables with brass and cryogenic brass electrodes. As a result of the experiments, the re-solidified layer thickness, material removal rate and taper angle, which determine the product quality, were measured and evaluated.  As a result of the cryogenic treatment applied to the electrodes, it was found that positive improvements in EEI performance were obtained. It was concluded that re-solidified layer thickness, material removal rate, tool wear rate and bevel amount ratios are positively affected by discharge current, gap voltage and pulse on time and negatively affected by pulse off time.
CR  - Ay M, Yücelişli F. Ti-6Al-4V Alaşımının Fiber Lazer ile Kesilmesinde İşlem Parametrelerinin Kesim Kalitesine Etkisinin Araştırılması. Fırat Üniv. Müh. Bil. Dergisi 2018; 30 (2): 215-223
CR  - Hascalık A, Caydas U. A comparative study of surface integrity of Ti-6Al-4V alloy machined by EDM and AECG. Journal of Materials Processing Technology 2007;190: 173–180. Doi:10.1016/j.jmatprotec.2007.02.048
CR  - Jafferson JM, Hariharan P. Machining Performance of Cryogenically Treated Electrodes in Microelectric Discharge Machining: A Comparative Experimental Study, Materials and Manufacturing Processes 2013; 28: 397–402.  Doi: 10.1080/10426914.2013.763955
CR  - Bhaduri, D, Kuar AS, Sarkar S, Biswa SK, Mitra S. Electro discharge machining of titanium nitride-aluminium oxide composite for optimum process criteria yield. Materials and Manufacturing Processes 2009; 24: 1312–1320.
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CR  - Yan BH, Tsai HC, Huang FY. The effect in EDM of a dielectric of aurea solution in water on modifying the surface of titanium. Int. J. Mach.Tools Manuf 2005; 45: 194–200. Doi: 10.1016/j.ijmachtools.2004.07.006
CR  - Chow HM, Yan BH, Huang FY, Hung JC. Study of added powder in kerosene for the micro-slit machining of Titanium alloy using electro-discharge machining. J.Mater.Process Technol 2000;101: 95–103. Doi:10.1016/S0924-0136(99)00458-6
CR  - Altuntaş G, Kaplan ÖF, Bostan B. Investigation of the Effect of Tempering and Cryogenic Treatment on Mechanical Properties of Boron Steels. Gazi University Journal of Science Part C: Design and Technology 2023;  11(2): 300-308. Doi: 10.29109/gujsc.1271368
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CR  - Altuntaş, G., Özdemir, A. T., & Bostan, B. A survey of the effect of cryogenic treatment and natural ageing on structural changes and second-phase precipitation in Al–Zn–Mg–Cu alloy. Journal of Thermal Analysis and Calorimetry 2023; 148(20):10713-10725. Doi:10.1007/s10973-023-12414-8
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CR  - Seah KHW,  Rahman M, Yong KH. Performance evaluation of cryogenically treated tungsten carbide cutting tool inserts. Proceedings of the Institution of Mechanical Engineers Part B–Journal of Engineering Manufacture 217 (1) (2003) 29–43. Doi:10.1243/095440503762502260
CR  - Nalbant M, Yıldız Y. Effect of cryogenic cooling in milling process of AISI 304 stainless steel, Transactions of Nonferrous Metals Society of China 2011; 21(1): 72-79. Doi:10.1016/S1003-6326(11)60680-8
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Doi:10.1080/10426914.2011.654151
CR  - Jafferson JM, Hariharan P, Machining performance of cryogenically treated electrodes in micro electric discharge machining: a comparative study. Mater Manuf. Process 2013; 28(4): 397–402. Doi:10.1080/10426914.2013.763955
CR  - Gill SS, Singh J. Effect of deep cryogenic treatment on machinability of titanium alloy (Ti-6246) in electric discharge drilling, Mater. Manuf. Process 2010; 25(6): 378–385. Doi:10.1080/10426910903179914
CR  - Yıldız Y, Sundaram MM, Rajurkar KP, Nalban M. The Effects of Cold and Cryogenic Treatments  on the Machinability of Beryllium-Copper Alloy in Electro Discharge Machining. Proceedings of 44th CIRP Conference on Manufacturing Systems; 1-3 June 2011; Madison, Wisconsin, USA.
CR  - Naveed A, Kashif I, Khaja M, Rafaqat A, Naif AS. Machinability of titanium alloy through electric discharge machining. Materıals and Manufacturıng Processes 2019; 34 (1): 93-102 Doi: 0.1080/10426914.2018.1532092
CR  - S. Dhanabalan, K. Sıvakumar, C. Sathıya Narayanan.  Journal of Engineering Science and Technology 2015; 10 (1): 72-80
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CR  - Datta S, Biswal BB, Mahapatra SS. Electrical discharge machining of Inconel 825 using cryogenically treated copper electrode: emphasis on surface integrity and metallurgical characteristics. Journal of Manufacturing Processes 2017; 26: 188-202.
CR  - Govindan P, Joshi Suhas S. Experimental characterization of material removal in dry electrical discharge drilling. International Journal of Machine Tools and Manufacture 2010; 50.5: 431-443. Doi: 10.1016/j.ijmachtools.2010.02.004
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CR  - Kalyon A. Elektro Erozyon ile İşlemede Yüzey Pürüzlülüğü ve İş Parçası İşleme Hızının Alüminyum Alaşımı İçin Taguchi Tekniği ile Optimizasyonu. Dokuz Eylül Üniversitesi Mühendislik Fakültesi Fen ve Mühendislik Dergisi 2019; 21(62): 595-605.  Doi:10.21205/deufmd.2019216223
CR  - Isaak CJ, Reitz W. The effects of cryogenic treatment on the thermal conductivity of GRCop-84. Mater Manuf Processes 2008;23(1):82–91. Doi:10.1080/10426910701524626
CR  - Kalsi NS, Sehgal R, Sharma VS. Cryogenic treatment of tool materials: a review. Mater Manuf Processes 2010; 25(10): 1077–100. Doi:10.1080/10426911003720862
CR  - Manivannan R, Kumar MP.  Multi-response optimization of Micro-EDM process parameters on
AISI304 steel using TOPSIS. Journal of Mechanical Science and Technology 2016; 30 (1): 137-144. Doi: 10.1007/s12206-015-1217-4
UR  - https://doi.org/10.35234/fumbd.1408353
L1  - https://dergipark.org.tr/tr/download/article-file/3614156
ER  -