Browsing by Author "(ORCID 0000-0001-5692-4809 & YÖK ID 163236) Yapıcı, Güven"
Now showing items 21-40 of 68
-
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 ... -
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 ... -
Elevated temperature mechanical characteristics and fracture behavior of a novel beta titanium alloy
Sajadifar, Seyed Vahid; Maier, H. J.; Niendorf, T.; Yapıcı, Güney Güven (MDPI, 2023-02-03)In the present work, the elevated-temperature deformation characteristics and microstructural evolution of a Ti-5V-5Mo-5Cr-4Al alloy in solution-treatment conditions were studied under a tensile load at temperatures in the ... -
Evaluating the mechanical behavior of ARB processed aluminum composites using shear punch testing
Aljashaami, Dhyai Hassan Jawad; Ghobadlou, Ali Hosseinzadeh; Mısırlı, Mustafa; Yapıcı, Güney Güven (Trans Tech Publications Ltd, 2020)Multi-layered metal composites have received considerable attention due to their improved mechanical and physical properties. In this study, Al6061/Al2024 composite was processed by accumulative roll bonding (ARB) as a ... -
Evaluation of NaOH pre-treatment on the corrosion behavior and surface characteristics of hydroxyapatite coated NiTi alloy
Şimşek, Görkem Muttalip; Ipekoglu, M.; Yapıcı, Güney Güven (Springer Nature, 2020-08-02)Successful short-term implementation of nickel-titanium (NiTi) alloys as implants has been a motivation for the development of long-term applications. However, rendering these as safe implant materials is challenging. The ... -
Fabrication and mechanical characterization of polypropylene clay nanocomposites
Zakaria, A. Z.; Salahi, Salar; Yapıcı, Güney Güven (Trans Tech Publications Ltd, 2021)Investigating the influence of process parameters is vital to enhance the mechanical properties of nanoparticle reinforced polymer composites. Nanocomposites of polypropylene/nanoclay are prepared by the extrusion method. ... -
Fatigue behavior of friction stir welded joints of pure copper with ultra-fine grains
Salahi, Salar; Yapıcı, Güney Güven (Elsevier, 2015)In order to determine the long term durability of friction stir welded joints with ultra-fine grained microstructure, investigation of the mechanical response with specific emphasis on fatigue behaviour is critical. In ... -
Fatigue characteristics of continuous welded rails and the effect of residual stress on fatigue-ratchetting interaction
Mansouri, Deniz; Şendur, Polat; Yapıcı, Güney Güven (Taylor & Francis, 2020-03-16)The importance of ratchetting-fatigue interaction is garnering interest due to complex failure mechanism of rail welds under cyclic loading. The objective of this paper is to investigate the fatigue characteristics of ... -
Formation of nano-sized compounds during friction stir welding of Cu–Zn alloys: effect of tool composition
Heidarzadeh, A.; Radi, Amin; Yapıcı, Güney Güven (Elsevier, 2020-12)For the first time, the origin of tool composition effect on microstructure and mechanical properties of the friction stir welded joints has been disclosed. For this aim, nanoindentation, orientation image microscopy, and ... -
Fracture behavior of ultrafine-grained titanium under tension at elevated temperatures
Sajadifar, Seyed Vahid; Maier, H. J.; Yapıcı, Güney Güven (ASME, 2020-10-01)This investigation focused on the deformation response and microstructural changes of severely deformed titanium during post-severe plastic deformation tension, at temperatures of 300–600 °C and at strain rates of 0.001–0.1 ... -
Graphene as a piezoresistive material in strain sensing applications
Irani, F. S.; Shafaghi, A. H.; Tasdelen, M. C.; Delipinar, T.; Kaya, C. E.; Yapıcı, Güney Güven; Yapıcı, M. K. (MDPI, 2022-01-12)High accuracy measurement of mechanical strain is critical and broadly practiced in several application areas including structural health monitoring, industrial process control, manufacturing, avionics and the automotive ... -
Hardness and wear resistance of roller burnished 316L stainless steel
Tugay, İbrahim Orhun; Ghobadlou, Ali Hosseınzadeh; Yapıcı, Güney Güven (Elsevier, 2021)This study investigates the effects of roller burnishing on the microstructure, surface microhardness, and wear resistance of 316L stainless steel. Experimental design based on the Taguchi orthogonal array was employed to ...
Share this page