Yazar "Gürgen, Selim" için listeleme
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The ballistic performance of aramid based fabrics impregnated with multi-phase shear thickening fluids
Gürgen, Selim; Kuşhan, Melih Cemal (Elsevier Sci LTD, 2017)Single-phase shear thickening fluids (STFs) have been extensively investigated in body protective applications. However, researchers do not have long-standing past experience of multi-phase STFs in protection. In the present ... -
The effect of carbide particle additives on rheology of shear thickening fluids
Gürgen, Selim; Kuşhan, Melih Cemal; Li, Weihua (Korean Soc Rheology, 2016)In this paper, shear thickening fluids (STFs) including silicon carbide particles are presented. We fabricated a kind of STF based on nanosize fumed silica suspended in a liquid medium, polyethylene glycol, at a constant ... -
Effect of heat treatment on the bending behavior of aluminum alloy tubes
Sert, Abdullah; Gürgen, Selim; Çelik, Osman Nuri; Kuşhan, Melih Cemal (Korean Soc Mechanical Engineers, 2017)Quasistatic experiments and numerical simulations were performed to investigate the three-point bending behavior of different temper AA6082 tubes in this study. The effect of heat treatment on the samples was investigated ... -
The effect of silicon carbide additives on the stab resistance of shear thickening fluid treated fabrics
Gürgen, Selim; Kuşhan, Melih Cemal (Taylor & Francis Inc, 2017)Applications of shear thickening fluids (STFs) with ballistic fabrics improve the protection performance of body protective systems. This article presents an innovative view of STF-impregnated ballistic fabrics by integrating ... -
Experimental investigation of machining characteristics and chatter stability for Hastelloy-X with ultrasonic and hot turning
Sofuoğlu, Mehmet Alper; Çakır, Fatih Hayati; Gürgen, Selim; Orak, Sezan; Kuşhan, Melih Cemal (Springer London LTD, 2018)Ultrasonic-assisted machining is a machining operation based on the intermittent cutting of material which is obtained through vibrations generated by an ultrasonic system. This method utilizes low-amplitude vibrations ... -
High performance fabrics in body protective systems
Gürgen, Selim; Kuşhan, Melih Cemal (Trans Tech Publications Ltd, 2017)High performance fabrics are preferable for armor systems due to their lightweight structure and flexibility. High performance fabrics are generally used in body armor design for personal protection. However, these fabrics ... -
Multi response optimization of turning operation with self-propelled rotary tool
Gürgen, Selim; Sofuoğlu, Mehmet Alper; Çakır, Fatih Hayati; Orak, Sezan; Kuşhan, Melih Cemal (Elsevier Science BV, 2015)The purpose of the study is to determine the cutting performance of self-propelled rotary tool (SPRT) in the turning operation of hardened EN24 steel by optimizing the cutting conditions. Parameters such as horizontal ... -
Oxidation and thermal shock behavior of thermal barrier coated 18/10CrNi alloy with coating modifications
Gürgen, Selim; Diltemiz, Seyid Fehmi; Kuşhan, Melih Cemal (Korean Soc Mechanical Engineers, 2017)In this study, substrates of 18/10CrNi alloy plates were initially sprayed with a Ni-21Cr-10Al-1Y bond coat and then with an yttria stabilized zirconia top coat by plasma spraying. Subsequently, plasma-sprayed Thermal ... -
The Position of Turkish Air Transportation in Europe
Çamurdan, Burak; Çetin, Suna; Gürgen, Selim; Kuşhan, Melih Cemal (Stef92 Technology LTD, 2016)Turkish civil aviation has been rapidly grown in recent years. Particularly, today Turkish Airlines is one of Europe's largest airlines. This rapid growth realizes with the competition among the companies both in Turkey ... -
Rheological Properties of Shear Thickening Fluids
Gürgen, Selim; Kuşhan, Melih Cemal (Gazi University, 2016)In this study, influences of temperature and amount of solid particles in Shear Thickening Fluids (STFs) were investigated. To observe the thickening mechanism of STFs, four main characteristic terms which are viscosity ... -
The rheology of shear thickening fluids with various ceramic particle additives
Gürgen, Selim; Li, Weihua; Kuşhan, Melih Cemal (Elsevier Sci LTD, 2016)In this paper, shear thickening fluids (STFs) and three different types of additive particles such as silicon carbide, aluminum oxide and boron carbide are presented. STFs were fabricated based on nanosize fumed silica ... -
Shear thickening fluids in protective applications: A review
Gürgen, Selim; Kuşhan, Melih Cemal; Li, Weihua (Pergamon-Elsevier Science LTD, 2017)A thorough and critical review on Shear Thickening Fluids (STFs) is presented based on a literature survey. The rheological properties of STFs are discussed considering many factors affecting shear thickening behavior and ... -
Springback Behavior of AA6082T6 Tubes in Three-point Bending Operation
Sofuoğlu, Mehmet Alper; Gürgen, Selim; Çakır, Fatih Hayati; Orak, Sezan (Elsevier Science BV, 2017)Springback is an inevitable phenomenon in bending operations. For the geometrical accuracy in manufacturing, springback should be predicted and a required compensation should be applied to the operation. The numerical ... -
The stab resistance of fabrics impregnated with shear thickening fluids including various particle size of additives
Gürgen, Selim; Kuşhan, Melih Cemal (Elsevier Sci LTD, 2017)Shear thickening fluid (STF) treated high performance fabrics have attracted much attention in the applications of body protection. In order to improve the contribution of STF treatments, we designed multiphase STFs and ...