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Browsing Metalurji ve Malzeme Mühendisliği / Metallurgy and Materials Engineering by Author

Browsing Metalurji ve Malzeme Mühendisliği / Metallurgy and Materials Engineering by Author "Zeytin, Sakin"

Now showing items 1-20 of 45

A mechanical aspect of borides formed on the AISI 440C stainless-steel

Özbek, İbrahim; Şen, Şaduman; İpek, Mediha; Bindal, Cuma; Zeytin, Sakin (PERGAMON-ELSEVIER SCIENCE LTD, 2004)

In the present study, some properties of borides formed on AISI 440C stainless-steel have been investigated. Boronizing was carried out in a solid medium consisting of EKabor(R) powder at a temperature of 950degreesC for ...
A study on NiAl produced by pressure-assisted combustion synthesis

Özdemir, Özkan; Zeytin, Sakin; Bindal, Cuma (PERGAMON-ELSEVIER SCIENCE LTD, 2009)

The production of intermetallic compound was carried out in an electrical resistance furnace in open air under 150 MPa uniaxial pressure at 1050 degrees C for 1 hour using aluminum powder with 15 mu m size and Carbonyl-nickel ...
An evaluation of Al2O3-ZrO2 composites produced by coprecipitation method

İpek, Mediha; Zeytin, Sakin; Bindal, Cuma (ELSEVIER SCIENCE SA, 2011)

The objective of this work is to produce Al2O3-ZrO2 composite from nano-sized powders processed by coprecipitation method. Al2O3 and mixture of Al2O3 + 10 wt.% ZrO2 precipitated successfully by chemical route from aluminum ...
An evaluation of Al2O3-ZrO2 composites produced by coprecipitation method

İpek, Mediha; Zeytin, Sakin; Bindal, Cuma (2011)
An evaluation of human articular cartilage on femoral head

Zeytin, Sakin; İpek, Mediha; Bindal, Cuma (ELSEVIER SCIENCE BV, 2002)

In this study, we investigated stress relaxation behavior of the human articular cartilage on femoral head. Articular cartilage is a white dense connective tissue that covers the bone ends within diarthrodial joints and ...
An investigation of the effect of SiC particle size on Cu-SiC composites

Çelebi Efe, Gözde Fatma; İpek, Mediha; Zeytin, Sakin; Bindal, Cuma (ELSEVIER SCI LTD, 2012)

In this study mechanical properties of copper were enhanced by adding 1 wt.%, 2 wt.%, 3 wt.% and 5 wt.% SiC particles into the matrix. SiC particles of having 1 mu m, 5 mu m and 30 mu m sizes were used as reinforcement. ...
An investigation on boriding kinetics of AISI 316 stainless steel

Özdemir, Özkan; Zeytin, Sakin; Bindal, Cuma (PERGAMON-ELSEVIER SCIENCE LTD, 2008)

Boronizing was performed by using a solid medium of Ekabor powders at 1073, 1148 and 1223 K for 2, 4 and 8 h. After boronizing, the major dominant phase was found to be Fe2B and the minors were CrB and Ni2B. Boride coating ...
Analysis of the high-temperature dry sliding behavior of CoCrFeNiTi0.5Alx high-entropy alloys

Azmi Erdogan; Mustafa Sabri Gok; Zeytin, Sakin (SPRINGEROPEN, 2020)

In this study, CoCrFeNiTi0.5Alx high-entropy alloys were produced by induction melting and their dry sliding wear behavior was examined at different temperatures. In addition to face-centered cubic (FCC) phases, low amounts ...
Characterization of cemented Cu matrix composites reinforced with SiC

Çelebi Efe, Gözde Fatma; Altınsoy, İbrahim; Yener, Tuba; İpek, Mediha; Zeytin, Sakin; Bindal, Cuma (PERGAMON-ELSEVIER SCIENCE LTD, 2010)

In this study some properties of copper produced by cementation method and its composites reinforced with 1wt% 2wt% 3wt% and 5wt% SiC particles produced by powder metallurgy method were investigated Composite powders were ...
Characterization of cryogenic heat treated Vanadis 4 PM cold work tool steel

Altınsoy, İbrahim; İpek, Mediha; Zeytin, Sakin; Bindal, Cuma (PERGAMON-ELSEVIER SCIENCE LTD, 2011)

The amount of retained austenite in the quenched cold work tool steel sample is 17.7%, in the condition of sub-zero heat treated and double tempered samples following by quenching is 1.9% determined by XRD analysis. The ...
Characterization of NiAl with cobalt produced by combustion synthesis

Özdemir, Özkan; Zeytin, Sakin; Bindal, Cuma (ELSEVIER SCIENCE SA, 2010)

In this study, as an alloying element the effect of cobalt addition by 2.5 wt.% and 5 wt.% on the NiAl intermetallic compound produced by pressure-assisted combustion synthesis method was investigated. As starting materials ...
Characterization of two-phase nickel aluminides produced by pressure-assisted combustion synthesis

Özdemir, Özkan; Zeytin, Sakin; Bindal, Cuma (PERGAMON-ELSEVIER SCIENCE LTD, 2007)

Two-phase (B2 + L1(2)) nickel aluminide intermetallic compounds were synthesized by the pressure-assisted volume combustion synthesis (CS). The production and characterization of the samples containing NiAl + Ni3Al were ...
Determination of the Young Modulus of Ti-TiAl3 Metallic Intermetallic Laminate Composites by Nano-Indentation

Yener, Tuba; Yener, Tuba; S. Guler; S. Siddique; F. Walther; Zeytin, Sakin (POLISH ACAD SCIENCES INST PHYSICS, 2016)

Nano-indentation is an important technique to determine the Young modulus of multiphase materials where normal tensile tests are not appropriate. In this work, Ti-TiAl3 metallic-intermetallic laminate composites have been ...
Effect of Al and Ti on High-Temperature Oxidation Behavior of CoCrFeNi-Based High-Entropy Alloys

Azmi Erdogan; Kadir Mert Doleker; Zeytin, Sakin (SPRINGER, 2019)

CoCrFeNiAlxTiy high-entropy alloys were produced by the induction melting method and their oxidation behavior investigated when exposed to 1000 degrees C for different durations. One or more body-centered cubic phases were ...
EFFECT OF ELECTRIC CURRENT ON THE PRODUCTION OF NiTi INTERMETALLICS VIA ELECTRIC-CURRENT-ACTIVATED SINTERING

Yener, Tuba; Zeytin, Sakin (INST ZA KOVINSKE MATERIALE I IN TEHNOLOGIE, 2015)

This study focuses on investigating the fabrication of in-situ intermetallic NiTi composites from a powder mixture containing the mass fractions 50 % nickel powder and 50 % titanium powder. The elemental powders were mixed ...
EFFECT OF HOLDING TIME ON THE PRODUCTION OF Nb-NbAl3 INTERMETALLIC COMPOSITES VIA ELECTRIC-CURRENT-ACTIVATED SINTERING

Muhammed Aybey; Yener, Tuba; İpek, Mediha; Zeytin, Sakin (INST ZA KOVINSKE MATERIALE I IN TEHNOLOGIE, 2017)

A recently developed powder metallurgy processing technique - Electric Current Activated (Assisted) Sintering (ECAS) was employed to produce intermetallic Nb-NbAl3 composites. In this study, to produce Nb-NbAl3 in-situ ...
Effect of ZrO2 on phase transformation of Al2O3

İpek, Mediha; Zeytin, Sakin; Bindal, Cuma (ELSEVIER SCI LTD, 2010)

This study investigates the effect of ZrO2 on phase transformation of alumina. Alumina and alumina-zirconia composite powders were produced by the precipitation method from aluminum sulfate and zirconium sulfate precursors. ...
Effects of SiC Particle Size on Properties of Cu-SiC Metal Matrix Composites

Çelebi Efe, Gözde Fatma; Altınsoy, İbrahim; İpek, Mediha; Zeytin, Sakin; Bindal, Cuma (POLISH ACAD SCIENCES INST PHYSICS, 2012)

This paper was focused on the effects of particle size and distribution on some properties of the SiC particle reinforced Cu composites. Copper powder produced by cementation method was reinforced with SiC particles having ...
ELECTROMAGNETIC-SHIELDING EFFECTIVENESS AND FRACTURE BEHAVIOR OF LAMINATED (Ni-NiAl3) COMPOSITES

Yener, Tuba; Yener, Tuba; Yener, Şuayb Çağrı; Yener, Şuayb Çağrı; Zeytin, Sakin (INST ZA KOVINSKE MATERIALE I IN TEHNOLOGIE, 2016)

In this research Ni-NiAl3 multilayer composites were produced through reactive sintering in an open atmosphere using Ni and Al foils with a 250-mu m initial thickness. The sintering was performed at 700 degrees C under 2 ...
FABRICATION AND PROPERTIES OF SiC REINFORCED COPPER-MATRIX-COMPOSITE CONTACT MATERIAL

Çelebi Efe, Gözde Fatma; İpek, Mediha; Zeytin, Sakin; Bindal, Cuma (INST ZA KOVINSKE MATERIALE I IN TEHNOLOGIE, 2016)

This study aims at improving mechanical properties of electrical contacts through copper and copper-matrix silicon-carbide reinforced composites produced with powder metallurgy. Copper powder was produced with the cementation ...