期刊
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
卷 277, 期 1-2, 页码 114-122出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/S0921-5093(99)00549-3
关键词
Al-Mg-Si-Cu alloy; microstructure; texture; mechanical property; fatigue; fracture toughness; anisotropy
This work describes the correlation of microstructure-texture and texture-mechanical properties of a hot rolled Al-Mg-Si-Cu alloy in T-6 condition. Texture measurement was carried out on both the surfaces and mid thickness levels of the specimen using conventional pole figure as well as orientation distribution function (ODF) methods. Tensile properties and fracture toughness of the alloys were evaluated at different orientations with respect to the rolling directions. High cycle fatigue properties were evaluated in the rolling direction. From these observations, the in plane anisotropy factor (%IPA), K-IQ values and fatigue life were calculated and correlated with textures and microstructures/fracture features of the alloy. (C) 2000 Elsevier Science S.A. All rights reserved.
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