Enhanced strength and wear resistance of a titanium-oxygen alloy with core-shell network structure

被引：12

作者：

Zhang, Y. S. ^{[1
]}

Han, Z. ^{[2
]}

Wang, X. ^{[1
]}

Zhang, W. ^{[1
]}

Huo, W. T. ^{[1
]}

机构：

[1] Northwest Inst Nonferrous Met Res, Xian 710016, Shaanxi, Peoples R China

[2] Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China

来源：

TRIBOLOGY INTERNATIONAL | 2017年 / 111卷

基金：

中国国家自然科学基金;

关键词：

Transfer; Abrasive; Adhesive; Wear; NANOCRYSTALLINE SURFACE-LAYER; TRIBOLOGICAL PROPERTIES; MECHANICAL-PROPERTIES; PARTICLE-SIZE; BEHAVIOR; COMPOSITES; TEMPERATURE; COPPER; MICROSTRUCTURE; DEFORMATION;

D O I：

10.1016/j.triboint.2017.03.013

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

An enhanced sliding wear resistance of a novel core-shell Ti-O (CS-TiO) structured alloy combined with superior compressive properties relative to a commercial pure Ti (CP-Ti) compact is reported. The wear volume, area fraction of transfer layer in the contact zone and 0 content on the worn scars (O-at%) were determined under various conditions. For CS-TiO, the prominent enhancement in wear resistance by more than 2 times is related to the increased O-at% and improved yield strength, from 420 MPa in CP-Ti to 1210 MPa, which can effectively prevent it from experiencing serious adhesion and plastic deformation respectively. The study opens a new sight for microstructural design of anti-wear Ti alloys and composites: promoting tribo-oxidation reaction as well as improving strength.

引用

页码：192 / 196

页数：5

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