Researcher:
Bıyıklı, Emre

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Master Student

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Emre

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Bıyıklı

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Bıyıklı, Emre

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2008 - 200912010 - 20164

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Researcher Of Publications: search.filters.isAuthorOfPublication.64647838-5276-46e1-9659-0eebd7707e8b

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    Three-dimensional modeling of the grain boundary misorientation angle distribution based on two-dimensional experimental texture measurements
    (Elsevier Science Sa, 2010) Maier, H. J.; Niendorf, T.; Top, S.; N/A; Department of Mechanical Engineering; Bıyıklı, Emre; Canadinç, Demircan; Master Student; Faculty Member; Department of Mechanical Engineering; Graduate School of Sciences and Engineering; College of Engineering; N/A; 23433
    The current paper presents a new model proposed to distribute the grain boundary misorientation angles (GBMAs) into a three-dimensional polycrystalline aggregate based on the statistical distribution obtained from the two-dimensional texture measurements in ultrafine-grained (UFG) materials. The model is constructed as a tool that establishes a three-dimensional neighborhood of grains where the respective volume fractions of high-angle and low-angle grain boundaries (HAGBs and LAGBs) are preserved. Both UFG and coarse-grained materials are addressed in the model, and the HAGBs and LAGBs were distributed into three-dimensions with a maximum percentage error of 2.5% in their volume fractions. The current results open a new venue for the utility of the current model in conjunction with a crystal plasticity algorithm in order to properly account for the misorientation at the grain boundary, which dictates the cyclic stability of UFG materials, simulating deformation response of these materials. (C) 2010 Elsevier B.V. All rights reserved.
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    Incorporating the grain boundary misorientation effects on slip activity into crystal plasticity
    (Taylor & Francis Inc, 2016) N/A; N/A; Department of Mechanical Engineering; Bıyıklı, Emre; Toker, Sıdıka Mine; Canadinç, Demircan; Master Student; PhD Student; Faculty Member; Department of Mechanical Engineering; Graduate School of Sciences and Engineering; Graduate School of Sciences and Engineering; College of Engineering; N/A; 255504; 23433
    The role of grain boundary misorientation angle (GBMA) distribution on slip activity in a high-manganese austenitic steel was investigated through experiments and simulations. Crystal plasticity simulations incorporating the GBMA distribution and the corresponding dislocation-grain boundary interactions were conducted. The computational analysis revealed that the number of active slip systems decreased when GBMA distribution was taken into account owing to the larger volume of grain boundary-dislocation interactions. The current results demonstrate that the dislocation-grain boundary interactions significantly contribute to the overall hardening, and the GBMA distribution constitutes a key parameter dictating the slip activity.
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    Development of a new left Ventricular assist device: heart turcica centrifugal
    (Wichtig Editore, 2008) Kucukaksu, S.; Department of Mechanical Engineering; N/A; N/A; N/A; N/A; Lazoğlu, İsmail; Bıyıklı, Emre; Ersanlı, Çınar; Demir, Onur; Yıldız, Gökhan; Faculty Member; Master Student; Master Student; PhD Student; Master Student; Department of Mechanical Engineering; College of Engineering; Graduate School of Sciences and Engineering; Graduate School of Sciences and Engineering; Graduate School of Sciences and Engineering; Graduate School of Sciences and Engineering; 179391; N/A; N/A; N/A; N/A
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    Design of a centrifugal blood pump: heart Turcica centrifugal
    (Wiley-Blackwell, 2011) Küçükaksu, Süha; N/A; N/A; Department of Mechanical Engineering; Demir, Onur; Bıyıklı, Emre; Lazoğlu, İsmail; PhD Student; Master Student; Faculty Member; Department of Mechanical Engineering; Graduate School of Sciences and Engineering; Graduate School of Sciences and Engineering; College of Engineering; N/A; N/A; 179391
    A prototype of a new implantable centrifugal blood pump system named Heart Turcica Centrifugal (HTC) was developed as a left ventricular assist device (LVAD) for the treatment of end-stage cardiac failure. In the development of HTC, effects of blade height and volute tongue profiles on the hydraulic and hemolytic performances of the pump were investigated. As a result, the prototype was manufactured using the best blade height and volute tongue profiles. Performance of the prototype model was experimentally evaluated in a closed-loop flow system using water as the medium. The hydraulic performance requirement of an LVAD (5 L/min flow rate against a pressure difference of 100 mm Hg) was attained at 2800 rpm rotational speed.
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    Experimental and numerical investigation of the role of grain boundary misorientation angle on the dislocation-grain boundary interactions
    (Wiley, 2011) Niendorf, Thomas; Maier, Hans Juergen; Department of Mechanical Engineering; N/A; Canadinç, Demircan; Bıyıklı, Emre; Faculty Member; Master Student; Department of Mechanical Engineering; College of Engineering; Graduate School of Sciences and Engineering; 23433; N/A
    The role of grain boundary misorientation angles on the dislocation-grain boundary interactions was incorporated into a micro hardening scheme. The current formulation is applicable to both coarse- and ultrafine-grained alloys, and evidences the experimentally observed dominant role of the misorientation angles on the deformation response of the latter.