A Correlation Between Failure Angle and Constituent for Al-AlN Composites Under Uniaxial Tensile Conditions

被引：0

作者：

Yu, Peng ^{[1
]}

Schaffer, G. B. ^{[2
]}

Qian, Ma ^{[1
]}

机构：

[1] Univ Queensland, Sch Mech & Min Engn, ARC Ctr Excellence Design Light Met, Brisbane, Qld 4072, Australia

[2] Univ Queensland, Fac Engn Architecture & Informat Technol, ARC Ctr Excellence Design Light Metals, Brisbane, Qld 4072, Australia

来源：

METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE | 2012年 / 43A卷 / 09期

基金：

澳大利亚研究理事会;

关键词：

ALUMINUM; INFILTRATION; METALS; LIQUID;

D O I：

10.1007/s11661-012-1125-5

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Al-AlN composites with different AlN reinforcement fractions and porosity were fabricated through nitridation of laser-sintered AA 6061 powder followed by infiltration with AA 6061. Their failure behaviors were investigated under uniaxial tensile loading conditions. Tensile testing and fractography indicate that the fracture mode changes gradually from ductile to brittle fracture with increasing AlN reinforcement or porosity. An analysis of the fractured Al-AlN tensile samples reveals that the failure surface angle, theta, is dictated by the volume fraction of the matrix, f (m) , in a form of tan theta = f (m) (5.5) .

引用

页码：3293 / 3299

页数：7

共 24 条

[1] A Correlation Between Failure Angle and Constituent for Al-AlN Composites Under Uniaxial Tensile Conditions
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