Low-Wear High-Friction Behavior of Copper Matrix Composites Dispersed With an In Situ Polymer Derived Ceramic

被引：6

作者：

Castellan, Enzo ^{[1
,2
]}

Kailas, Satish V. ^{[3
]}

Madayi, Shimjith ^{[3
]}

Raj, Rishi ^{[4
]}

机构：

[1] Univ Trento, Dept Mat Sci & Engn, I-38050 Trento, Italy

[2] C&Z Italia Srl, I-38121 Trento, Italy

[3] Indian Inst Sci, Dept Mech Engn, Bangalore 500012, Karnataka, India

[4] Univ Colorado, Dept Mech Engn, Boulder, CO 80309 USA

来源：

JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME | 2015年 / 137卷 / 02期

基金：

美国国家科学基金会;

关键词：

ALUMINUM;

D O I：

10.1115/1.4028973

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

We show that copper-matrix composites that contain 20 vol. % of an in situ processed, polymer-derived, ceramic phase constituted from Si-C-N have unusual friction-and-wear properties. They show negligible wear despite a coefficient of friction (COF) that approaches 0.7. This behavior is ascribed to the lamellar structure of the composite such that the interlamellar regions are infused with nanoscale dispersion of ceramic particles. There is significant hardening of the composite just adjacent to the wear surface by severe plastic deformation.

引用

页数：4

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