Wear properties of potassium titanate whiskers-reinforced Al-12Si alloy composites

被引：0
|
作者：
Wei Zhongshan [1 ]
Wu Shenqing [2 ]
机构：
[1] Hamilton Sundstrand Ind Shanghai Co Ltd, Shanghai 201108, Peoples R China
[2] Southeast Univ, Coll Mat Sci & Engn, Nanjing 210096, Jiangsu, Peoples R China
来源：
CHINA FOUNDRY | 2010年 / 7卷 / 01期
基金：
高等学校博士学科点专项科研基金; 中国国家自然科学基金;
关键词：
potassium titanate whisker; aluminum matrix composites; wear properties; ALUMINUM-MATRIX COMPOSITES; BEHAVIOR;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Potassium titanate (K(2)O center dot 6TiO(2)) whiskers-reinforced Al-12Si alloy composites were prepared by the squeeze casting technique. Wear properties of the composites were investigated by pin-on-disc tests under dry conditions. The experimental results showed that K(2)O center dot 6TiO(2) whiskers can effectively reinforce the matrix alloy and improve the wear resistance of the composite when the volume fraction of whiskers is low at 10 vol%. However, the composites with a high volume fraction of whiskers showed lower wear resistance than the Al-12Si alloy. The main wear mechanism of the composites is clarified as de-lamination and abrasive wear.
引用
收藏
页码：33 / 36
页数：4
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