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Browsing Fakülteler / Faculties by Author "Öztürk, Oğuzhan"

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Effect of homovalent Bi/Ga substitution on propagations of flaws, dislocations and crack in Bi-2212 superconducting ceramics: Evaluation of new operable slip systems with substitution

M. B. Turkoz; Y. Zalaoglu; Turğay, Tahsin; Öztürk, Oğuzhan; G. Yildirim (ELSEVIER SCI LTD, 2019)

This study defines a strong methodology between the mechanical performance behaviors and formation possible operable slip systems in the crystal structure of Bi-2212 superconducting phase with trivalent Bi/G substitution ...
Evaluation of key mechanical design properties and mechanical characteristic features of advanced Bi-2212 ceramic materials with homovalent Bi/Ga partial replacement: Combination of experimental and theoretical approaches

M. B. Turkoz; Y. Zalaoglu; Turğay, Tahsin; Öztürk, Oğuzhan; B. Akkurt; G. Yildirim (ELSEVIER SCI LTD, 2019)

This study models the variations in the key mechanical design properties and mechanical characteristic features of Ga substituted Bi-site Bi-2212 ceramics prepared within the different molar ratios of x = 0.000, 0.005, ...
Journal of Physics Conference Series

H. A. Cetinkara; Yılmazlar, Mustafa; Öztürk, Oğuzhan; M. Nursoy; C. Terzioglu; A Gencer; G Grasso (IOP PUBLISHING LTD, 2009)

We investigated the effect of cooling rates on the microstructure and mechanical properties of Bi(1,6)Pb(0,4)Sr(2)Ca(2)Cu(3)Oy superconductors prepared by standard solid state reaction methods. The samples were annealed ...
Journal of Physics Conference Series

H. A. Cetinkara; Yılmazlar, Mustafa; Öztürk, Oğuzhan; M. Nursoy; C. Terzioglu; A Gencer; G Grasso (IOP PUBLISHING LTD, 2009)

We investigated the effect of cooling rates on the microstructure and mechanical properties of Bi(1,6)Pb(0,4)Sr(2)Ca(2)Cu(3)Oy superconductors prepared by standard solid state reaction methods. The samples were annealed ...
Manipulation of Exchange Coupling in Py/Co/Cr Multi layer Thin Films

M. E. Akoz; U. Parlak; Y. Sahin; D. Tavsan; E. Tarcan; Öztürk, Oğuzhan; S. Tokdemir Ozturk; Erkovan, Mustafa (POLISH ACAD SCIENCES INST PHYSICS, 2015)

The main issue addressed in present study is exchange coupling modification between ferromagnetic layers through non-magnetic spacer layers using extra ultra-thin ferromagnetic layers (Co). In order to achieve this goal, ...
Probing Exchange Bias Properties of Pt Co-x(1-x) /Pt/CoO Films

Erkovan, Mustafa; M. E. Akoz; Öztürk, Mahpeyker; E. Demirci; U. Parlak; N. Akdogan; Öztürk, Oğuzhan (SPRINGER, 2016)

We present magnetic properties of bilayers consisting of antiferromagnetic CoO and ferromagnetic Pt (x) Co1-x film structure on Si (001) as Pt/PtCo/Pt/CoO/Pt. The CoO layer and the Pt (x) Co1-x layer thickness were kept ...
THE EXPORT EFFICIENCY OF TURKISH TEXTILE AND APPAREL FIRMS: AN INVESTIGATION EMPLOYING DATA ENVELOPMENT ANALYSIS (DEA) AND ANALYTIC HIERARCHY PROCESS (AHP) METHODS

Öztürk, Oğuzhan; Nuray Girginer (EGE UNIV, 2015)

In this study, we examine the export efficiency of textile and apparel firms listed in the 2012 Istanbul Chamber of Industry (ICI) 500 report. The export efficiency of 30 textile and apparel firms with complete data for ...
The Study of Exchange Bias Effect in PtxCo1-x/CoO Bilayers

Erkovan, Mustafa; M. E. Akoz; U. Parlak; Öztürk, Oğuzhan (SPRINGER, 2017)

We investigated the exchange bias effect in PtxCo1-x/CoO bilayers as a function of Pt concentration. Chemical analysis on the Pt Co-x(1-x) layer confirmed that x varies from 0.6 to 0.9 by 0.1 step. Hereby, we present ...