Browsing by Author "Yapıcı, Güney Güven"
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Effect of aging on the mechanical behavior of aluminum-steel composites processed by accumulative roll bonding
Tahir, Furqan; Yapıcı, Güney Güven (Elsevier, 2021)Severe plastic deformation (SPD) processes have been widely used to provide ultrafine-grained (UFG) structures along with enriched strength in various metals. This study focuses on accumulative roll bonding (ARB), an SPD ... -
Effect of boronizing and WC coating on the high temperature mechanical behavior of AISI 321 stainless steel
Bilgin, Onur; Yapıcı, Güney Güven (Trans Tech Publications Ltd, 2022)In the current paper, the effect of two different coating techniques of boronizing and tungsten carbide (WC) coating on the room and high temperature tensile behavior of the AISI 321 stainless steel were investigated. ... -
Effect of build parameters on the compressive behavior of additive manufactured CoCrMo lattice parts based on experimental design
Gülcan, O.; Simsek, U.; Çokgünlü, Okan; Özdemir, Mirhan; Şendur, Polat; Yapıcı, Güney Güven (MDPI, 2022-07)Due to their high specific strength, toughness, and corrosion and wear resistance characteristics, CoCrMo alloys are widely used in different industries and applications: wind turbines and jet-engine components, orthopedic ... -
Effect of coating method on the surface characteristics of niti shape memory alloy
Şimşek, Görkem Muttalip; İpekoğlu, M.; Yapıcı, Güney Güven (Trans Tech Publications Ltd, 2020)Metallic materials including stainless steel, cobalt-chromium alloys, titanium and its alloys, and nickel-titanium (NiTi) shape memory alloys have been used in biomedical applications since the 1940s due to their favorable ... -
Effect of commercial purity levels on the mechanical properties of ultrafine-grained titanium
Purcek, G.; Yapıcı, Güney Güven; Karaman, I.; Maier, H. J. (Elsevier, 2011-03-15)Two grades of commercial purity (CP) titanium (grades 2 and 4) were processed using equal-channel angular extrusion (ECAE) at 300 ◦C and 450 ◦C, respectively. The processing temperatures were the minimum temperatures at ... -
Effect of different surface treatments on the tensile and wear behavior of Inconel 625 superalloy and aisi 321 stainless steel
AISI 321 stainless steel and Inconel 625 superalloy are utilized in an extensive range of applications such as aircraft engines, nuclear powerplants and industrial furnaces due to their excellent mechanical properties at ... -
Effect of external stress on the post-aging mechanical properties of rolled magnesium alloys
Mısırlı, Mustafa; Ghobadlou, Alı Hosseınzadeh; Yapıcı, Güney Güven (TANGER Ltd., 2020)In the current study the effects of conventional aging and stress aging on the microstructure and mechanical behavior of warm rolled AZ31 magnesium alloy were investigated. Tensile experiments revealed that the ultimate ... -
Effect of friction stir processing on the fatigue performance of AZ31 magnesium alloy
Yapıcı, Güney Güven; Sajadifar, S. V.; Ghobadlou, Ali Hosseinzadeh; Wegener, T.; Sobrero, C.; Engelhardt, A.; Niendorf, T. (Wiley, 2023-05)Herein, the cyclic mechanical behavior of AZ31 magnesium alloy after multipass friction stir processing (FSP) is investigated up to the very high-cycle fatigue (VHCF) regime. The grain refinement and texture evolution after ... -
Effect of grain size on the very high cycle fatigue behavior and notch sensitivity of titanium
Sajadifar, Seyed Vahid; Wegener, T.; Yapıcı, Güney Güven; Niendorf, T. (Elsevier, 2019-12)The very high-cycle fatigue performances of coarse-grained and ultrafine-grained titanium samples with different geometries at ambient temperature and various stress amplitudes were investigated. Severe plastic deformation ... -
Effect of heat treatment on the corrosion-fatigue of NiTi shape memory alloy
Şimşek, Görkem Muttalip; Sayınbaş, Yiğit Kaan; Uysal, Miray; Yapıcı, Güney Güven (American Institute of Physics Inc., 2019)Nickel Titanium (NiTi) shape memory alloys have been considered convenient implant material due to their distinguished properties including superelasticity (SE), shape memory effect (SME) and biocompatibility. Among these ... -
Effect of layer architecture on the mechanical behavior of accumulative roll bonded interstitial free steel/aluminum composites
Aljashaami, Dhyai Hassan Jawad; Ghobadlou, Ali Hosseinzadeh; Yapıcı, Güney Güven (Elsevier, 2021-06-22)Multi-layered interstitial free (IF) steel/aluminum (Al) composites were fabricated by the accumulative roll bonding (ARB) method. Two types of IF steel/Al6061 dissimilar layered metal composites (LMC) with varied stacking ... -
Effect of processing parameters on the phase transformation of a high temperature copper-based shape memory alloy
Seyedmohammadi, Seyedveghar; Yapıcı, Güney Güven (Springer, 2023-11)In the present study, the influence of the processing parameters on the transformation temperatures and microstructural evolution in a copper-based shape memory alloy was investigated. Five times remelting in identical ... -
Effect of processing parameters on the strength of keyhole free friction stir spot aluminum welds
Bajilane, Isam Jabbar Ibrahim; Yapıcı, Güney Güven (American Institute of Physics Inc., 2019)Intermediate layer friction stir spot welding (IL-FSSW) is a new solid-state welding method appropriate for making spot joints, particularly in light-weight materials, especially notable on account of the weight saving ... -
Effect of purity levels on the high-temperature deformation characteristics of severely deformed titanium
Sajadifar, Seyed Vahid; Yapıcı, Güney Güven (Springer International Publishing, 2017)In the present investigation, high-temperature compression tests were conducted at strain rates of 0.001 to 0.1 s−1 and at temperatures of 873 K to 1173 K (600 °C to 900 °C) in order to study the hot deformation characteristics ... -
Effect of severe plastic deformation on the damping behavior of titanium
Sajadifar, Seyed Vahid; Atli, C.; Yapıcı, Güney Güven (Elsevier, 2019-06-01)In this work, influence of severe plastic deformation on the damping properties of commercial purity titanium is explored. Deformation induced grain refinement improved the strength at room temperature while this effect ... -
Effect of stress aging induced precipitates on corrosion behavior of NiTi shape memory alloys
Radi, Amin; Khalil-Allafi, J.; Heidarzadeh, A.; Yapıcı, Güney Güven; Etminanfar, M. R. (Springer, 2021-10)In this study, the influences of the stress aging process on the electrochemical behaviors toward evaluating corrosion resistance of NiTi shape memory alloys in the in-vitro condition have been investigated. For this ... -
Effects of aging on the microstructure and phase transformation behavior of cu-al-mn shape memory alloy
Seyedmohammadi, Seyedveghar; Radi, Amin; Yapıcı, Güney Güven (Trans Tech Publications Ltd, 2021)In the present study, the effects of artificial aging heat treatment on the transformation temperatures and hardness of Cu-Al-Mn shape memory alloy have been investigated. The aging processes have been performed on the ... -
Effects of interlayer on the friction stir spot welding of stainless steel
Raza, Muhammad Farhan; Yapıcı, Güney Güven (Elsevier, 2022-01)Comparison of Interlayer Friction Stir Spot Welding (IL-FSSW) and conventional Friction Stir Spot Welding (FSSW) of 304 stainless steel is presented in this study. IL-FSSW is introduced as a novel spot-welding technique ... -
Effects of roller burnishing on the surface integrity and mechanical properties of duplex and 316L stainless steels
Tugay, İbrahim Orhun (2021-01-15)Roller burnishing (RB) or deep rolling is a mechanical surface treatment method to enhance the surface integrity of manufactured components which affects component’s performance. Although there are some valuable researches ... -
Elevated temperature mechanical behavior of severely deformed titanium
Sajadifar, Seyed Vahid; Yapıcı, Güney Güven (Springer Nature, 2014-05)In this investigation, compression tests were performed at a strain rate of 0.001-0.1 s(-1) in the range of 600-900 degrees C to study the high temperature deformation behavior and flow stress model of commercial purity ...
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