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Tribology Transactions Volume 56, 2013 - Issue 3
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Original Articles

Effect of Hot Forging on Microstructure and Abrasion Resistance of Fe-B Alloy

Jianjun Zhang School of Materials Science and Engineering, Xihua University, Chengdu Sichuan Province, 610039, P.R. China
,
Yimin Gao State Key Laboratory for Mechanical Behavior of Materials, School of Materials Science and Engineering, Xi’an Jiaotong University, Shaanxi Province, Xi’an, 710049, P.R. China
,
Jiandong Xing State Key Laboratory for Mechanical Behavior of Materials, School of Materials Science and Engineering, Xi’an Jiaotong University, Shaanxi Province, Xi’an, 710049, P.R. China
,
Xiaowei Wei School of Materials Science and Engineering, Xihua University, Chengdu Sichuan Province, 610039, P.R. China
,
Shengqiang Ma State Key Laboratory for Mechanical Behavior of Materials, School of Materials Science and Engineering, Xi’an Jiaotong University, Shaanxi Province, Xi’an, 710049, P.R. China
&
Baohua Che Jilin Xingyuan Road and Bridge Construction Limited Company, Yushu, Jilin Province, 130400, P.R. China
Pages 461-468 | Received 11 Aug 2012, Accepted 11 Dec 2012, Published online: 29 Mar 2013
 
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Abstract

The effect of hot forging on the microstructure and abrasion resistance of Fe-B alloy was studied. The results showed that boride networks are broken down by hot forging. After hot forging, the hardness of Fe-B alloy increased marginally, and the toughness increased considerably.

In the two-body abrasion test, unforged Fe-B alloy exhibited excellent wear resistance and soft abrasive tended to show higher wear resistance. When alloys were tested against very hard abrasives, the wear resistance of forged Fe-B alloy was similar to that of unforged Fe-B alloy, but in the case of soft abrasives the wear resistance of forged Fe-B alloy was lower than that of unforged Fe-B alloy.

ACKNOWLEDGEMENT

The authors are grateful for the financial support of this work from the Key Program (No. z1220113) in Xihua University and National High-Tech R&D Program under Grant No. 2007AA03Z510, P.R. China.

Review led by Cris Schwartz

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