Browsing by OzU Authors "Yapıcı, Güney Güven"
Now showing items 41-60 of 66
-
High temperature characteristics of Al2024/SiC metal matrix composite fabricated by friction stir processing
Ghobadlou, Ali Hosseinzadeh; Yapıcı, Güney Güven (Elsevier, 2018-07-25)In the present study, friction stir processing (FSP) is used for the synthesis of an aluminum metal matrix composite (MMC) reinforced by SiC particles. MMC specimens with reinforced microstructures exhibited significant ... -
High temperature deformation behavior of 4340 steel: activation energy calculation and modeling of flow
Sajadifar, Seyed Vahid; Yapıcı, Güney Güven; Ketabchi, M.; Bemanizadeh, B. (Elsevier, 2013-12)The 4340 steel is extensively utilized in several industries including automotive and aerospace for manufacturing a large number of structural components. Due to the importance of thermo-mechanical processing in the ... -
High temperature flow response modeling of ultra-fine grained titanium
Sajadifar, Seyed Vahid; Yapıcı, Güney Güven (MDPI AG, 2015)This work presents the mechanical behavior modeling of commercial purity titanium subjected to severe plastic deformation (SPD) during post-SPD compression, at temperatures of 600-900 °C and at strain rates of 0.001-0.1 ... -
Hot deformation behavior of ultra-fine grained pure Ti
Sajadifar, Seyed Vahid; Yapıcı, Güney Güven (Trans Tech Publications, 2013-11)In the present study, compression tests were performed at a strain rate of 0.001 to 0.1 s(-1) and in the range of 600 degrees C to 900 degrees C to investigate the high temperature deformation behavior and flow stress model ... -
An in-silico corrosion model for biomedical applications for coupling with in-vitro biocompatibility tests for estimation of long-term effects
Šušteršič, T.; Şimsek, Görkem Muttalip; Yapıcı, Güney Güven; Nikolić, M.; Vulović, R.; Filipovic, N.; Vrana, N. E. (Frontiers Media, 2021-09-07)The release of metal particles and ions due to wear and corrosion is one of the main underlying reasons for the long-term complications of implantable metallic implants. The rather short-term focus of the established ... -
Influence of heat treatment parameters on the functional behavior and corrosion performance of a shape memory wire actuator
Şimsek, Görkem Muttalip; Yapıcı, Güney Güven (Trans Tech Publications Ltd, 2020-04)In the present study, the effect of heat treatment parameters on the functional response, corrosion behavior and microstructural evolution of NiTi shape memory alloys were investigated. Various heat treatment regimes were ... -
Influence of warm rolling and aging on the microstructural evolution and mechanical behavior of AZ31 magnesium alloy
Mısırlı, Mustafa; Ghobadlou, Ali Hosseinzadeh; Yapıcı, Güney Güven (American Institute of Physics Inc., 2019)The microstructural evolution and tensile properties of AZ31 after warm rolling and different aging methods and conditions were investigated. The warm rolling was conducted on the as-received AZ31 after homogenization at ... -
An integrated design approach for a series elastic actuator: Stiffness formulation, fatigue analysis, thermal management
Yıldırım, Mehmet Can; Şendur, Polat; Bilgin, Onur; Gülek, Berk; Yapıcı, Güney Güven; Uğurlu, Regaip Barkan (IEEE, 2017-12-22)This paper presents an integrated mechanical design approach for the long-Term and repetitive use of series elastic actuators (SEAs). Already, computational models for series elastic actuator design have been developed in ... -
Low-cycle fatigue behavior of friction stir-welded copper joints
Ghobadlou, Ali Hosseinzadeh; Salahi, Salar; Radi, Amin; Sajadifar, Seyed Vahid; Yapıcı, Güney Güven (Springer, 2021-11)Investigation of the fatigue response of friction stir-welded (FSWed) joints is especially important in the design and manufacturing of components with exposure to cyclic loading. In this study, cyclic response of FSWed ... -
Manufacturing and mechanical behavior of titanium-steel composite by accumulative roll bonding
Tahir, Furqan; Yapıcı, Güney Güven (Trans Tech Publications Ltd, 2021)Metal matrix composites have attracted interest for use in several engineering applications and this study focuses on the fabrication titanium and interstitial free steel composite and its mechanical performance. Accumulative ... -
Mechanical behavior of constrained groove pressed stainless steel and pure zinc
Güler, Zeynel; Yapıcı, Güney Güven (Trans Tech Publications Ltd, 2021)Constrained groove pressing (CGP), a severe plastic deformation method, has been implemented on AISI 304 and commercially pure zinc samples in the present work. Four CGP passes were successfully applied to both materials ... -
On the development of a novel multi-phase high entropy alloy with transformation-induced plasticity effect
Radi, Amin; Asghari-Rad, P.; Kim, H. S.; Yapıcı, Güney Güven (Elsevier, 2022-06-05)In the present work, microstructural evolution, and mechanical behavior of a novel high entropy alloy (HEA) are investigated through thermo-mechanical processing. The homogenized samples possess a single-phase cubic structure ... -
On the fatigue and fracture behavior of keyhole-free friction stir spot welded joints in an aluminum alloy
Yapıcı, Güney Güven; Bajilane, Isam Jabbar Ibrahim (Elsevier, 2021-03)The target of this research study was to evaluate the shear-tensile and fatigue behavior of aluminum 6061 alloy welds, in two different heat treatment conditions, joined by the recently developed intermediate layer friction ... -
On the friction stir processing of additive-manufactured 316L stainless steel
Sajadifar, S. V.; Ghobadlou, Ali Hosseınzadeh; Richter, J.; Krochmal, M.; Wegener, T.; Bolender, A.; Heidarzadeh, A.; Niendorf, T.; Yapıcı, Güney Güven (Wiley, 2022-10)The novel combination of friction stir processing (FSP) and additive manufacturing (AM) is studied herein. Laser-based powder bed fusion of metals (PBF-LB/M) is used to establish 316 L stainless steel with a bimodal ... -
On the high-temperature flow response of friction stir processed magnesium metal matrix composites
Ghobadlou, Alı Hosseınzadeh; Yapıcı, Güney Güven (ASME, 2021-01-01)In the current work, multi-pass friction stir processing (FSP) was utilized to fabricate samples of fine-grained aluminum-zinc (AZ) magnesium alloy and its metal matrix composite (MMC). The microstructure and high-temperature ... -
On the low-cycle fatigue behavior of a multi-phase high entropy alloy with enhanced plasticity
Radi, Amin; Sajadifar, S.; Seyedmohammadi, Seyedveghar; Krochmal, M.; Bolender, A.; Wegener, T.; Niendorf, T.; Yapıcı, Güney Güven (Elsevier, 2023-08)A multi-phase non-equiatomic FeCrNiMnCo high entropy alloy (HEA) was fabricated using vacuum induction melting. Thermo-mechanical treatments consisting of cold rolling and annealing at 750 °C and 850 °C were employed to ... -
On the mechanical behavior of accumulative roll bonded lightweight composite
Aljashaami, Dhyai Hassan Jawad; Ghobadlou, Ali Hosseinzadeh; Yapıcı, Güney Güven (IOP Publishing, 2019-09)Multi-layered composites have received great interest due to their enhanced mechanical and physical properties. In this study, Al6061/Al2024 composites were processed by accumulative roll bonding as a severe plastic ... -
On the mechanical behavior of cold deformed aluminum 7075 alloy at elevated temperatures
Shojaei, Kambiz; Sajadifar, Seyed Vahid; Yapıcı, Güney Güven (Elsevier, 2016-07-18)In the present study, elevated temperature deformation behavior and microstructural evolution of 7075 aluminum alloy at annealed and cold rolled conditions were examined. Isothermal uniaxial tensile tests at a temperature ... -
On the strain rate sensitivity of a TRIP assisted high entropy alloy
Radi, Amin; Duygulu, O.; Işıl, Canay; Yapıcı, Güney Güven (Elsevier, 2023-02-15)In the present work, the strain rate sensitivity is investigated in a novel high entropy alloy with transformation-induced plasticity (TRIP) effect. Herein, it is aimed to reflect the effect of phase constitution on the ... -
Optimization of the intermediate layer friction stir spot welding process
Bajilane, Isam Jabbar Ibrahim; Yapıcı, Güney Güven (Springer Nature, 2019-09)Friction stir spot welding was performed for joining sheets of 2024 and 6061 aluminum alloys, which is otherwise difficult using conventional welding techniques. The presented approach utilizes an intermediate layer to ...
Share this page
