High temperature tribological behaviour of bonded surfaces based on the phase structure of the boride layer

被引：62

作者：

Cimenoglu, Huseyin ^{[1
]}

Atar, Erdem ^{[2
]}

Motallebzadeh, Amir ^{[1
]}

机构：

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

[2] Gebze Inst Technol, Dept Mat Sci & Engn, TR-41400 Gebze, Turkey

来源：

WEAR | 2014年 / 309卷 / 1-2期

关键词：

Diffusion treatments; High temperature; Sliding wear; Steel; Thermal effects; Wear testing; WEAR BEHAVIOR; ABRASIVE WEAR;

D O I：

10.1016/j.wear.2013.10.012

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

This study focuses on the high temperature tribological behaviour of the boride layers generated on 4140 steel by pack bonding process. Bonding at 750 and 800 degrees C resulted in a single phase (Fe2B) boride layer, while a dual phase (Fe2B+FeB) boride layer was developed at 850 and 900 degrees C. Sliding wear tests conducted by rubbing an alumina ball revealed that single and dual-phase boride layers exhibited almost similar tribological performances and superior wear resistances at room temperature. With increasing testing temperature, boride layers exhibited different wear behaviours depending on their phase structure so that, dual phase boride layer yielded better wear resistance than single phase boride layer, especially at the testing temperature of 300 degrees C. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：152 / 158

页数：7

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