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

被引：66

作者：

Motallebzadeh, Amir ^{[1
]}

Atar, Erdem ^{[2
]}

Cimenoglu, Huseyin ^{[1
]}

机构：

[1] Istanbul Tech Univ, Dept Met & Mat Engn, TR-34469 Istanbul, Turkey

[2] Gebze Tech Univ, Dept Mat Sci & Engn, TR-41400 Gebze, Kocaeli, Turkey

来源：

TRIBOLOGY INTERNATIONAL | 2015年 / 91卷

关键词：

Sliding; High temperature; Wear-resistant; Raman; COBALT-BASED ALLOYS; CO-BASED ALLOYS; HARDFACING ALLOYS; CORROSION-RESISTANCE; MO ALLOY; MICROSTRUCTURE; OXIDES; PERFORMANCE; MORPHOLOGY; BEHAVIOR;

D O I：

10.1016/j.triboint.2015.06.006

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

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 degrees C), the addition of molybdenum provided a remarkable increase in wear resistance in comparison to the lower temperatures (RT and 300 degrees C), due to the development of a protective oxide film on the worn surface. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：40 / 47

页数：8

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