Dry sliding wear characteristics of in-situ TiBw/Ti6Al4V composites with different network parameters

被引：42

作者：

An, Qi ^{[2
]}

Huang, L. J. ^{[1
,2
]}

Bao, Yang ^{[2
]}

Zhang, Rui ^{[2
]}

Jiang, Shan ^{[2
]}

Geng, Lin ^{[1
,2
]}

Xiao, Miaomiao ^{[2
]}

机构：

[1] Harbin Inst Technol, State Key Lab Adv Welding & Joining, POB 433, Harbin 150001, Heilongjiang, Peoples R China

[2] Harbin Inst Technol, Key Lab Adv Struct Funct Integrat Mat & Green Mfg, Sch Mat Sci & Engn, POB 433, Harbin 150001, Heilongjiang, Peoples R China

来源：

TRIBOLOGY INTERNATIONAL | 2018年 / 121卷

基金：

中国国家自然科学基金; 国家重点研发计划;

关键词：

Titanium matrix composites (TMCs); Network structure; Dry sliding wear; Heat treatment; TITANIUM MATRIX COMPOSITES; MECHANICAL-PROPERTIES; HEAT-TREATMENT; MICROSTRUCTURE; COATINGS; BEHAVIOR; TI-6AL-4V; EVOLUTION; ALLOY; TI;

D O I：

10.1016/j.triboint.2018.01.053

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Ceramics reinforced titanium matrix composites (TMCs) exhibited high specific strength especially with a special network architecture. This study investigated wear characteristics of the novel TMCs with different parameters, the results show that in-situ TiBw enhances hardness and resists abrasion effectively. Meanwhile, the mechanism varied from micro-cutting to brittle debonding with increasing TiBw content, and increasing network size caused the increase of COF and wear loss. Consequently, the composite with 8.5 vol.% TiBw and network size of 60 mu m exhibited the best wear properties. Moreover, the subsequent heat treatment further enhanced the abrasion resistance by transformed beta phase coexisted with network structure, which resulted in decrease of COF from 0.251 to 0.149 and reduced wear loss by 19.7%.

引用

页码：252 / 259

页数：8

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