Microstructure and fatigue performance of Cu-based M7C3-reinforced composites

S. Osman Yilmaz; Tanju Teker; S. Süreyya Karabeyoğlu

doi:10.1515/mt-2021-2022

Article

Microstructure and fatigue performance of Cu-based M₇C₃-reinforced composites

S. Osman Yilmaz
Prof. Dr. S. Osman Yilmaz, born in Elazig in 1966, works at the University of Namık Kemal, Faculty of Engineering, Department of Mechanical Engineering, Corlu, Tekirdağ, Turkey. He received his B.Sc. from METU University, Ankara, Faculty of Engineering, Metallurgy and Materials Engineering Department in 1989; his M.Sc. from the Institute of Science and Technology, Metallurgy Department in 1992; and his Ph.D. from the University of Firat, Institute of Science and Technology, Metallurgy Department, Elazig in 1998. He studied metal coating techniques, surface modification, welding, casting, and wear.
, Tanju Teker
Prof. Dr. Tanju Teker, born in Sivas in 1971, works in University of Sivas Cumhuriyet, Faculty of Technology, Department of Manufacturing Engineering, Sivas, Turkey. He graduated in Metallurgy Education from Gazi University, Ankara, Turkey, in 1997. He received his M.Sc. and Ph.D. degrees from Firat University, Elazig, Turkey, in 2004 and 2010, respectively. His research interests metal coating techniques, casting, fusion, and welding solid-state welding methods.
and S. Süreyya Karabeyoğlu
Assist. Prof. Dr. S. Süreyya Karabeyoğlu, born in 1982, works at the University of Kırklareli, Faculty of Engineering, Department of Mechanical Engineering, Kırklareli, Turkey. He graduated in Mechanical Engineering from Dumlupınar University, Kütahya, Turkey, in 2004. He received his M.Sc. and Ph.D. degrees from Trakya University, Edirne, Turkey, and Namık Kemal University, Tekirdağ, Turkey, in 2007 and 2012, respectively. His research interests material design and behaviors, composite materials, and production technologies.

Published/Copyright: March 9, 2022

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From the journal Materials Testing Volume 64 Issue 2

Abstract

Cu\Fe–Cr–C metal matrix composites (MMCs) were produced with a reinforcer addition of 6, 9, 12, 15, and 18 wt% Fe–Cr–C by powder metallurgy. The effects of sintering temperatures on Cu-based Fe–Cr–C-reinforced composites were studied using scanning electron microscopy (SEM), energy-dispersive spectroscopy (EDS), X-ray diffraction (XRD), and hardness test. The electrical conductivity and tensile and fatigue strengths of samples were investigated by the conductivity meter and the tensile and fatigue testing machine. The interface microstructure between Fe–Cr–C and Cu particulates at 1000 °C showed a significant difference. The increase in tensile strength, hardness, and fatigue life gave a proportional change with an increase in Fe–Cr–C particulate vol%. The precipitated carbides and intermetallic compositions reduced electrical resistivity depending on the sintering temperature.

Keywords: copper; fatigue testing; Fe–Cr–C; hardness; powder metallurgy

Corresponding author: Tanju Teker, Sivas Cumhuriyet University, Faculty of Technology, Department of Manufacturing Engineering, 58140, Sivas, Turkey, E-mail: tanjuteker@cumhuriyet.edu.tr

About the authors

S. Osman Yilmaz

Prof. Dr. S. Osman Yilmaz, born in Elazig in 1966, works at the University of Namık Kemal, Faculty of Engineering, Department of Mechanical Engineering, Corlu, Tekirdağ, Turkey. He received his B.Sc. from METU University, Ankara, Faculty of Engineering, Metallurgy and Materials Engineering Department in 1989; his M.Sc. from the Institute of Science and Technology, Metallurgy Department in 1992; and his Ph.D. from the University of Firat, Institute of Science and Technology, Metallurgy Department, Elazig in 1998. He studied metal coating techniques, surface modification, welding, casting, and wear.

Tanju Teker

Prof. Dr. Tanju Teker, born in Sivas in 1971, works in University of Sivas Cumhuriyet, Faculty of Technology, Department of Manufacturing Engineering, Sivas, Turkey. He graduated in Metallurgy Education from Gazi University, Ankara, Turkey, in 1997. He received his M.Sc. and Ph.D. degrees from Firat University, Elazig, Turkey, in 2004 and 2010, respectively. His research interests metal coating techniques, casting, fusion, and welding solid-state welding methods.

S. Süreyya Karabeyoğlu

Assist. Prof. Dr. S. Süreyya Karabeyoğlu, born in 1982, works at the University of Kırklareli, Faculty of Engineering, Department of Mechanical Engineering, Kırklareli, Turkey. He graduated in Mechanical Engineering from Dumlupınar University, Kütahya, Turkey, in 2004. He received his M.Sc. and Ph.D. degrees from Trakya University, Edirne, Turkey, and Namık Kemal University, Tekirdağ, Turkey, in 2007 and 2012, respectively. His research interests material design and behaviors, composite materials, and production technologies.

Acknowledgment

The authors are grateful to KAYALAR copper industry and trade incorporated company for their assistance in conducting the experiments.

Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: None declared.
Conflict of interest statement: No potential conflict of interest was reported by the authors.

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Published Online: 2022-03-09

Published in Print: 2022-02-23

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Articles in the same Issue

https://doi.org/10.1515/mt-2021-2022

Keywords for this article

copper; fatigue testing; Fe–Cr–C; hardness; powder metallurgy