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Licensed Unlicensed Requires Authentication Published by De Gruyter October 2, 2017

Microstructure, wear and friction behavior of AISI 1045 steel surfaces coated with mechanically alloyed Fe16Mo2C0.25Mn/Al2O3-3TiO2 powders

Mikrostruktur, Reibungs- und Verschleißverhalten einer mit mechanisch legierten Fe16Mo2C0.25Mn/Al2O3-3TiO2-Pulvern beschichteten Oberfläche eines Stahles AISI 1045
  • Cihan Özel , Gökçen Akgün and Turan Gürgenc
From the journal Materials Testing


The surface of AISI 1045 steel was coated using the flame spray technique. Iron-based superalloy (Fe16Mo2C0.25Mn) powders were used as matrix material and a mixture of mechanically alloyed 10 wt.-% Fe16Mo2C0.25Mn and 90 wt.-% Al2O3–3TiO2 powders was used as reinforcing material. The mechanical alloying process was performed by milling with an attritor for 60 hours. The coating material comprised of a mixture of the matrix (Fe16Mo2C0.25Mn) powder and mechanically alloyed reinforcing powders at varying rates of 5, 10 and 15 %, respectively. The microstructure, microhardness, adhesive wear behaviors and the coefficients of friction of the coated specimens were examined. It was observed that defects increased and cracks formed on the interface, depending on the increase in the reinforcing ratio. It was determined that the coefficient of friction and wear loss increased by the increasing load in all specimens. The minimum wear loss was observed for the specimen with 10 % reinforcement and the maximum wear loss was observed for the specimen with 15 % reinforcement. The highest average coefficient of friction by the applied load was obtained for the coating with 10 % reinforcement and the lowest average coefficient of friction was obtained for the specimen with 5 % reinforcement.


Für den vorliegenden Beitrag wurde die Oberfläche eines Stahles AISI 1045 mittels Flammspritzens beschichtet. Hierzu wurden Pulver der eisenbasierten Superlegierung Fe16Mo2C0.25Mn als Matrixmaterial und eine Mischung von mechanisch legierten Pulvern aus 10 wt.-% Fe16Mo2C0.25Mn und 90 wt.-% Al2O3-3TiO2 als Verstärkungsmaterial verwendet. Der mechanische Legierungsprozess wurde mittels Mahlen über 60 h in einer Pulvermühle durchgeführt. Das Beschichtungsmaterial umfasste eine Mischung aus dem Matrixpulver (Fe16Mo2C0.25Mn) und mechanisch legierten Verstärkungspulvern mit einem Verhältnis von 5, 10 und 15 %. Die Mikrostruktur, das Adhäsionsverschleißverhalten und der Reibkoeffizient der beschichteten Proben wurde untersucht. Hierbei wurde festgestellt, dass die Defekte zunahmen und sich Risse auf der Grenzfläche ausbildeten, und zwar abhängig von der Zunahme des Verstärkungsverhältnisses. Es wurde ermittelt, dass der Reibkoeffizient und der Verschleißabtrag mit zunehmender Last bei allen Proben anstiegen. Der minimale Verschleißabtrag wurde in der 10 % verstärkten Probe festgestellt. Der maximale Verschleißabtrag wurde in der 15 % verstärkten Probe ermittelt. Der höchste durchschnittliche Reibkoeffizient ergab sich für die 10 % verstärkte und der entsprechend niedrigste für die 5 % verstärkte Probe.

*Correspondence Address, Dr. Turan Gürgenc, Automotive Engineering Department, Technology Faculty, Fırat University, 23119 Elazığ, Turkey, E-mail: , ,

Assoc. Prof. Dr. Cihan Özel is Associate Professor in the Mechanical Engineering Department at Firat University, Elazığ Turkey. He studied Mechanical Engineering specializing in manufacturing and construction. He holds a PhD in manufacturing of straight bevel gear using end-mill by CNC milling machine. His fields of research are machine elements, materials science, machinability and CAD-CAM.

Gökçen Akgün received his MSc in Mechanical Engineering from Firat University, Elazığ, Turkey in 2012. He is a research assistant in the Mechanical Engineering Department of Süleyman Demirel University, Isparta, Turkey. His research interests include machine elements, materials science and machinability.

Dr. Turan Gürgenc is a research assistant in the Department of Automotive Engineering, Technology Faculty, Firat University, Elazığ, Turkey. He completed his MSc in ther Mechanical Engineering Department at Erciyes University, Kayseri, Turkey. He completed his PhD In the Mechanical Engineering Department at Firat University. His research interests are surface coating, alloying, wear, fatigue and welding.


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Published Online: 2017-10-02
Published in Print: 2017-10-04

© 2017, Carl Hanser Verlag, München

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