Sliding wear characteristics of molybdenum containing Stellite 12 coating at elevated temperatures

Amir Motallebzadeh; Erdem Atar; Huseyin Cimenoglu

doi:10.1016/j.triboint.2015.06.006

Sliding wear characteristics of molybdenum containing Stellite 12 coating at elevated temperatures

Amir Motallebzadeh, Erdem Atar, Huseyin Cimenoglu^*

^*Corresponding author for this work

Department of Metallurgical and Materials Engineering

Research output: Contribution to journal › Article › peer-review

71 Citations (Scopus)

Abstract

The addition of 10 wt% Mo encouraged a eutectic reaction to form Co₆Mo₆C complex carbide and Co₃Mo intermetallic in addition to Cr₂₃C₆ while causing solid solution hardening of the Co-rich dendritic matrix in the microstructure of the PTA deposited Stellite 12 coating. The addition of molybdenum not only imposed a higher hardness but also enhanced wear resistance. Under oxidation dominated wear conditions (500 and 700 °C), the addition of molybdenum provided a remarkable increase in wear resistance in comparison to the lower temperatures (RT and 300 °C), due to the development of a protective oxide film on the worn surface.

Original language	English
Pages (from-to)	40-47
Number of pages	8
Journal	Tribology International
Volume	91
DOIs	https://doi.org/10.1016/j.triboint.2015.06.006
Publication status	Published - 11 Jul 2015

Bibliographical note

Publisher Copyright:
© 2015 Elsevier Ltd. All rights reserved.

Keywords

High temperature
Raman
Sliding
Wear-resistant

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10.1016/j.triboint.2015.06.006

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title = "Sliding wear characteristics of molybdenum containing Stellite 12 coating at elevated temperatures",

abstract = "The addition of 10 wt% Mo encouraged a eutectic reaction to form Co6Mo6C complex carbide and Co3Mo intermetallic in addition to Cr23C6 while causing solid solution hardening of the Co-rich dendritic matrix in the microstructure of the PTA deposited Stellite 12 coating. The addition of molybdenum not only imposed a higher hardness but also enhanced wear resistance. Under oxidation dominated wear conditions (500 and 700 °C), the addition of molybdenum provided a remarkable increase in wear resistance in comparison to the lower temperatures (RT and 300 °C), due to the development of a protective oxide film on the worn surface.",

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AU - Motallebzadeh, Amir

AU - Atar, Erdem

AU - Cimenoglu, Huseyin

PY - 2015/7/11

Y1 - 2015/7/11

N2 - The addition of 10 wt% Mo encouraged a eutectic reaction to form Co6Mo6C complex carbide and Co3Mo intermetallic in addition to Cr23C6 while causing solid solution hardening of the Co-rich dendritic matrix in the microstructure of the PTA deposited Stellite 12 coating. The addition of molybdenum not only imposed a higher hardness but also enhanced wear resistance. Under oxidation dominated wear conditions (500 and 700 °C), the addition of molybdenum provided a remarkable increase in wear resistance in comparison to the lower temperatures (RT and 300 °C), due to the development of a protective oxide film on the worn surface.

AB - The addition of 10 wt% Mo encouraged a eutectic reaction to form Co6Mo6C complex carbide and Co3Mo intermetallic in addition to Cr23C6 while causing solid solution hardening of the Co-rich dendritic matrix in the microstructure of the PTA deposited Stellite 12 coating. The addition of molybdenum not only imposed a higher hardness but also enhanced wear resistance. Under oxidation dominated wear conditions (500 and 700 °C), the addition of molybdenum provided a remarkable increase in wear resistance in comparison to the lower temperatures (RT and 300 °C), due to the development of a protective oxide film on the worn surface.

KW - High temperature

KW - Raman

KW - Sliding

KW - Wear-resistant

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DO - 10.1016/j.triboint.2015.06.006

M3 - Article

AN - SCOPUS:84936876139

SN - 0301-679X

VL - 91

SP - 40

EP - 47

JO - Tribology International

JF - Tribology International

ER -

Sliding wear characteristics of molybdenum containing Stellite 12 coating at elevated temperatures

Abstract

Bibliographical note

Keywords

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