Effect of surface oxidation on wear and tribocorrosion behavior of forged and selective laser melting-based TC4 alloys

被引：17

作者：

Huang, Xin ^{[1
]}

Liu, Heng ^{[1
]}

Wang, Zening ^{[1
]}

Qiao, Lijie ^{[1
]}

Su, Yanjing ^{[1
]}

Yan, Yu ^{[1
]}

机构：

[1] Univ Sci & Technol Beijing, Inst Adv Mat & Technol, Beijing Adv Innovat Ctr Mat Genome Engn, Corros & Protect Ctr, Beijing 100083, Peoples R China

来源：

TRIBOLOGY INTERNATIONAL | 2022年 / 174卷

基金：

中国国家自然科学基金;

关键词：

Titanium alloy; Selective laser melting; Tribocorrosion; Surface oxidation; MECHANICAL-PROPERTIES; BIOCOMPATIBLE METALS; PREDICTIVE MODELS; CORROSION; TI6AL4V; MICROSTRUCTURE; TI-6AL-4V; DEBRIS; TI;

D O I：

10.1016/j.triboint.2022.107780

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Traditional forging and emerging additive manufacturing techniques have been widely used to prepare Ti-6Al-4V (TC4). However, their wear and tribocorrosion properties have not been compared systematically. We simulated the body fluid environment for laboratory comparative analysis. The results revealed that forged TC4 samples exhibited better corrosion resistance than SLM-TC4, and SLM-TC4 exhibited better wear resistance than TC4. Tribocorrosion resistance was significantly affected under conditions of corrosion. The extent of damage realized for the samples was less at a high applied potential (1V) than the extent of damage realized at a low applied potential (0V) under conditions of low-frequency friction (0.083 Hz). It is believed that the oxide formed on the surface plays a protective and lubricative role.

引用

页数：9

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