Dry wear behavior and mechanism of a Fe-based bulk metallic glass: description by Hertzian contact calculation and finite-element method simulation

被引：26
|
作者：
Hua, Nengbin [1 ,2 ,3 ]
Zhang, Xiangning [2 ,5 ]
Liao, Zhenlong [1 ,3 ]
Hong, Xiaoshi [1 ,3 ]
Guo, Qiaohang [1 ,3 ]
Huang, Youting [1 ,3 ]
Ye, Xiaoyun [1 ,3 ]
Chen, Wenzhe [1 ]
Zhang, Tao [4 ]
Jin, Xiaoqing [5 ]
Wang, Qianting [1 ,3 ]
Liaw, Peter K. [2 ]
机构：
[1] Fujian Univ Technol, Dept Mat Sci & Engn, Fuzhou 350118, Peoples R China
[2] Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA
[3] Fujian Prov Key Lab Adv Mat Proc & Applicat, Fuzhou 350118, Peoples R China
[4] Beihang Univ, Dept Mat Sci & Engn, Key Lab Aerosp Mat & Performance, Minist Educ, Beijing 100191, Peoples R China
[5] Chongqing Univ, Coll Mech Engn, Chongqing 400030, Peoples R China
来源：
JOURNAL OF NON-CRYSTALLINE SOLIDS | 2020年 / 543卷
基金：
中国国家自然科学基金;
关键词：
Fe-based alloy; Bulk metallic glass; Wear behavior; Hertzian contact mechanic; Finite element method; AMORPHOUS-ALLOYS; TITANIUM-ALLOYS; ABRASIVE WEAR; RESISTANCE; TOUGHNESS; HARDNESS; TRIBOCORROSION; FRICTION; XPS;
D O I：
10.1016/j.jnoncrysol.2020.120065
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In this study, the dry-sliding characteristics of a FeCoCrMoCBY bulk metallic glass (BMG) were investigated. The results were compared with those of the conventional CoCrMo alloy and 316L stainless steel (SS). It was found that the Fe-based BMG exhibited the highest wear resistance among three investigated alloys. The wear mechanism of those alloys is the combination of abrasion and oxidation. In addition, the tribological behaviors of the Fe-based BMG were highly dependent on couple materials. The BMG/Si3N4 friction couple demonstrated a greater wear resistance than that of the BMG/Al2O3 and BMG/ZrO2 . The wear resistance of these metallic materials could be correlated with their hardness and Young's modulus in terms of various wear-rate equations. Moreover, the contact mechanism of friction couples was described by Hertzian contact calculation and finite-element method (FEM) simulation to illustrate the mechanism of the good wear performance of the Fe-based BMG.
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页数：12
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