Effect of Titanium and Nitrogen Additions on the Microstructures and Three-Body Abrasive Wear Behaviors of Fe-B Cast Alloys

被引：27

作者：

Yi, Dawei ^{[1
]}

Xing, Jiandong ^{[2
]}

Zhang, Zhiyun ^{[1
]}

Fu, Hanguang ^{[3
]}

Yang, Chengyan ^{[4
]}

机构：

[1] Xian Univ Sci & Technol, Coll Mat Sci & Engn, Xian 710054, Shaanxi Provinc, Peoples R China

[2] Xi An Jiao Tong Univ, Coll Mat Sci & Engn, State Key Lab Mech Behav Mat, Xian 710049, Shaanxi Provinc, Peoples R China

[3] Beijing Univ Technol, Res Inst Adv Mat Proc Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China

[4] Zibo Diesel Engine Co, Zibo 255077, Shandong, Peoples R China

来源：

TRIBOLOGY LETTERS | 2014年 / 54卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Boride; Titanium; Nitrogen; Wear weight loss; Wear mechanism; STRUCTURAL VARIATIONS; FRACTURE-TOUGHNESS; RARE-EARTH; IRONS; RESISTANCE; NIOBIUM; STEEL;

D O I：

10.1007/s11249-014-0314-3

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

This study investigates the effect of titanium and nitrogen elements on the microstructures and wear behaviors of medium carbon Fe-B cast alloy. The as-cast microstructures of Fe-B cast alloy consist of the eutectic boride, pearlite, and ferrite. Moreover, the as-cast eutectic boride structures are greatly refined when titanium and nitrogen are added. The boride area fraction, average boride area, Rockwell hardness, etc., are also investigated systemically. The wear behaviors of medium carbon Fe-B cast alloy are studied by a three-body abrasive wear tester. The results show that the wear weight loss of Fe-B cast alloy with titanium and nitrogen elements is lower than that of the ordinary Fe-B cast alloy. Meanwhile, the wear mechanism of Fe-B cast alloy with different titanium and nitrogen concentrations is described and analyzed.

引用

页码：107 / 117

页数：11

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