期刊
JOURNAL OF MATERIALS RESEARCH
卷 24, 期 2, 页码 459-469出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1557/JMR.2009.0060
关键词
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资金
- Air Force Office of Scientific Research
- Asian Office of Aerospace Research and Development
Microstructure evolution, mechanical properties, formability, and texture development were determined for AA6111 samples processed by asymmetric rolling (ASR) with different roll friction, velocity, or diameters, conventional rolling (CR), and equal-channel-angular pressing (ECAP). Highly elongated or sheared grain Structures were developed during ASR/CR and ECAP, respectively. ASR led to improved r-values and formability compared with CR primarily as a result of the development of moderate shear-texture components analogous to those developed during ECAP of billet material. ASR based on different roll diameters gave the best combination of strength, ductility, and formability.
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