Comparative wear study of plasma sprayed TiO2 and Al2O3-TiO2 on mild steels

被引：54

作者：

Ghazali, M. J. ^{[1
]}

Forghani, S. M. ^{[1
]}

Hassanuddin, N. ^{[2
]}

Muchtar, A. ^{[1
]}

Daud, A. R. ^{[3
]}

机构：

[1] Natl Univ Malaysia, Dept Mech & Mat Engn, Fac Engn & Built Environm, Ukm Bangi 43600, Selangor, Malaysia

[2] Minist Def, Sci & Technol Res Inst Def STRIDE, Kuala Lumpur, Malaysia

[3] Natl Univ Malaysia UKM, Fac Sci & Technol, Sch Appl Phys, Ukm Bangi 43600, Selangor, Malaysia

来源：

TRIBOLOGY INTERNATIONAL | 2016年 / 93卷

关键词：

Ceramic; Coating; Bi-modal; Plasma spray; MECHANICAL-PROPERTIES; TRIBOLOGICAL BEHAVIOR; COATINGS; MICROSTRUCTURE; HVOF; OPTIMIZATION; PARAMETERS; RESISTANCE; POWDERS; SIZE;

D O I：

10.1016/j.triboint.2015.05.001

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

With good combination of hardness, ductility, and wear resistance, TiO2 coatings are one of the most potential hard ceramic coatings. TiO2 in an Al2O3 coating had increases the wear resistance which has contributed to an increase in the fracture toughness and decrease in the coefficient of friction. The specific wear rates of pure TiO2 coatings are found to be ranging from 1.62 x 10(-5)-4.19 x 10(-5) cm(3)/N m whereas the Al2O3/TiO2 coatings are in the range of 2.0 x 10(-3) cm(3)/N m to 28.0 x 10(-3) cm(3)/N m. This concludes that the TiO2 coatings are most preferable in improving wear resistance. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：681 / 686

页数：6

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