WEAR RESISTANCE OF AZ91D MAGNESIUM ALLOY WITH AND WITHOUT MICROARC OXIDATION COATING AND Ti6Al4V ALLOY IN ARTIFICIAL SALIVA

被引：3

作者：

Zhang, X. P. ^{[1
]}

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

Wu, F. M. ^{[2
]}

Zhao, Z. P. ^{[1
]}

You, L. ^{[2
]}

Gu, C. F. ^{[1
]}

Liao, Y. Z. ^{[1
]}

机构：

[1] Nanjing Univ Sci & Technol, Dept Mat Sci & Engn, Nanjing 210094, Peoples R China

[2] Nanjing Med Univ, Stomatol Coll, Nanjing 210094, Peoples R China

来源：

SURFACE REVIEW AND LETTERS | 2009年 / 16卷 / 06期

关键词：

AZ91D magnesium alloy; artificial saliva; microarc oxidation; Ti6Al4V alloy; wear resistance; FRETTING FATIGUE DAMAGE; IN-VIVO CORROSION; BEHAVIOR; TI; MG;

D O I：

10.1142/S0218625X09013372

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The wear resistances of AZ91D magnesium alloy with and without microarc oxidation (MAO) coating and Ti6Al4V alloy in artificial saliva were investigated at room temperature. The wear resistance of AZ91D magnesium alloy in artificial saliva was significantly improved after microarc oxidation treatment. The volume loss of untreated AZ91D magnesium alloy sample was 20.95 times of that of AZ91D magnesium alloy with MAO coating, and that of Ti6Al4V was 5.42 times of that of MAO. Furthermore, the wear resistance of AZ91D magnesium alloy was lower than that of Ti6Al4V alloy in artificial saliva. The wear mechanisms of AZ91D magnesium and Ti6Al4V were discussed. It was found that the wear mechanism of the MAO was associated with abrasion and microfracture. There were two dominative wear mechanisms for AZ91D alloy and Ti6Al4V alloy under the loading conditions used in the experiment, namely, micro-machining wear and deformation-induced wear.

引用

页码：821 / 830

页数：10

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