Yazar "Pürçek, Gençağa" için listeleme
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Effect of hexagonal boron nitride (h-BN) addition on friction behavior of low-steel composite brake pad material for railway applications
Yanar, Harun; Pürçek, Gençağa; Demirtaş, Muhammed; Ayar, Hasan Hüseyin (Elsevier, 2021)In this study, low-steel composite friction materials containing different amount of h-BN were developed for railway vehicles. Addition of h-BN has no considerable effect on mechanical properties of the matrix structure. ... -
Effect of two-pass friction stir processing on the microstructure and mechanical properties of as-cast binary Al-12Si alloy
Aktarer, Semih M.; Sekban, Dursun Murat; Saray, Onur; Küçükömeroğlu, Tevfik; Ma, Zong Yi; Pürçek, Gençağa (Elsevier Science Sa, 2015)The effect of two-pass friction stir processing (FSP) on the microstructural evolution, mechanical properties and impact toughness of as-cast Al-12Si alloy was investigated systematically. Severe plastic deformation imposed ... -
Effects of aging state on the low-cycle fatigue properties of 2024 aluminum alloy
Gong, B. S.; Zhang, Z. J.; Hou, J. P.; Liu, R.; Duan, Q. Q.; Wang, H. W.); Wang, X. G.; Liu, H. Z.; Wang, H.; Pürçek, Gençağa; Demirtaş, Muhammet; Yanar, Hande; Zhang, Z. F. (Elsevier, 2024)To reveal the effects of aging state on the low-cycle fatigue (LCF) performance of 2024 Al alloy, LCF experiments were conducted on the 2024 Al alloy with three aging states (underaged (UA), peak-aging (PA) and overaged ... -
Enhancing mechanical and tribological properties of Ni3Al-15vol%TiC composite by high current pulsed electron beam irradiation
Demirtaş, Muhammet; Ivanov, Konstantin V.; Pürçek, Gençağa; Yanar, Harun (Elsevier, 2022)Effects of high current pulsed electron beam irradiation (HCPEBI) on the surface microstructure, mechanical properties, room and high temperature tribological behavior of the Ni3Al-15vol%TiC composite were investigated. ... -
The mechanical compression performance of ultra-fine grained stainless steel pyramidal lattice core
Kuleyin, Hamdi; Gümrük, Recep; Yanar, Harun; Demirtaş, Muhammet; Pürçek, Gençağa (Taylor & Francis Inc, 2019)Severe plastic deformation (SPD) techniques are prospective ones having ability for desirable high mechanical properties to be achieved without any chemical change in metals. Equal-channel angular pressing (ECAP), one of ... -
Mechanical properties of Al-9Si-0.6Mg-0.1Sr alloy processed by successive hot and cold multi-directional forging
Karabıyık, Sadun; Alemdağ, Yasin; Atmaca, Mustafa; Pürçek, Gençağa; Hekimoğlu, Ali Paşa (Springer, 2023)In this study, the effect of successive hot and cold multi-directional forging (MDF) on the mechanical properties of the Al-9Si-0.6Mg-0.1Sr alloy was explored. The alloy was first homogenized and then forged at 200°C from ... -
Microstructural, mechanical and tribological properties of ultrafine-grained Cu-Cr-Zr alloy processed by high pressure torsion
Pürçek, Gençağa; Yanar, Harun; Demirtaş, Muhammet; Shangina, Daria V.; Bochvar, Natalia R.; Dobatkin, Sergey V. (Elsevier Science Sa, 2020)The effect of temperature on tribological properties of coarse grained (CG) and ultrafine-grained (UFG) Cu-Cr-Zr alloy processed via high pressure torsion (HPT) was investigated. Dominant wear mechanism depends on both ... -
Microstructure, mechanical properties and formability of friction stir welded dissimilar materials of IF-steel and 6061 Al alloy
Aktarer, Semih Mahmut; Sekban, Dursun Murat; Küçükömeroğlu, Tevfik; Pürçek, Gençağa (Springer, 2019)AA 6061 alloy and interstitial-free (IF) steel plates were joined by the friction stir welding (FSW) method, and the microstructure, mechanical properties, and biaxial stretch formability of the friction stir welded (FSWed) ... -
An overview of the principles of low-temperature superplasticity in metallic materials processed by severe plastic deformation
Demirtaş, Muhammet; Pürçek, Gençağa (Japan Institute of Metals (JIM), 2023)Low-temperature superplasticity (LTS) is crucial to reduce manufacturing cost and to enhance the applications of superplastic forming. It is well known that grain refinement is the key point to decrease the temperature at ... -
Research on anisotropy of the 7B50 super thick plate
Wang, H.; Zhang, Z. J.; Cong, F. G.; Ren, W. C.; Gong, B. S.; Liu, R.; Li, R. H.; Zhou, X. H.; Pürçek, Gençağa; Demirtaş, Muhammet; Bathaee, F.; Abedi, H. R.; Zhang, Z. F. (Elsevier, 2023)In this study, the microstructure and in-plane anisotropy (IPA) of mechanical properties along the normal direction (ND) of the 7B50 Al super thick plate are mainly studied. When adopting the same heat treatment for the ... -
Room temperature superplaticity in fine/ultrafine grained materials subjected to severe plastic deformation
Demirtaş, Muhammet; Pürçek, Gençağa (Japan Inst Metals & Materials, 2019)Achieving superplasticity at high temperatures and at very low strain rates is considered to be the most important disadvange of superplastic forming processes. Therefore, it is crucial to achieve superplastic behavior at ...
