Wear Performance of Ni/ZrO2 Infiltrated Composite Layer

被引：0

作者：

Sun Xianming ^{[1
,2
]}

Yang Guirong ^{[3
,4
]}

Song Wenming ^{[5
]}

Li Jian ^{[1
]}

Ma Ying ^{[3
,4
]}

Zhou You ^{[3
,4
]}

机构：

[1] Wuhan Res Inst Mat Protect, Wuhan 430073, Peoples R China

[2] Wuhan Inst Technol, Sch Mat Sci & Engn, Wuhan 430073, Peoples R China

[3] Lanzhou Univ Technol, State Key Lab Gansu Adv Nonferrous Met Mat, Lanzhou 730050, Peoples R China

[4] Lanzhou Univ Technol, Key Lab Nonferrous Met Alloys, Minist Educ, Lanzhou 730050, Peoples R China

[5] Lanzhou Petr Machinery Inst, Lanzhou 730000, Peoples R China

来源：

JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION | 2012年 / 27卷 / 01期

关键词：

Ni/ZrO2 infiltrated composite layer; micro-structure; room temperature; high temperature; wear resistance; CASTING TECHNIQUE; COPPER SUBSTRATE; SURFACE;

D O I：

10.1007/s11595-012-0410-x

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The Ni/ZrO2 was used as raw materials to fabricate the surface infiltrated composite layer with 1-4 mm thickness on cast steel substrate through vacuum infiltrated casting technology. The microstructure indicated that the infiltrated composite layer included surface composite layer and transition layer. Wear property was investigated under room temperature and 450 degrees C. The results indicated that the abrasion volume of substrate was 8 times that of the infiltrated composite layer at room temperature. The friction coefficient of infiltrated composite layer decreased with the increasing load. The wear resistance of infiltrated composite layer with different ZrO2 contents had been improved obviously under high temperature. The friction coefficient of infiltrated composite layer was decreased comparing with that at room temperature. The oxidation, abrasive and fatigue abrasion was the main wear mechanism at room temperature. Oxidation abrasion, fatigue wear and adhesive wear dominated the wearing process under elevated temperature.

引用

页码：73 / 78

页数：6

共 13 条

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