期刊
SCRIPTA MATERIALIA
卷 51, 期 10, 页码 999-1004出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2004.07.016
关键词
relaxation; high temperature pre-straining; MMC; neutron diffraction; micro-residual stress
Neutron Diffraction shows that plastic pre-deformation and heat treatments have opposite effects on the residual stress in Al-SiCp composites. The thermal micro residual stress is relaxed or even reversed by pre-strains above 0.2%, but restored by heat treatments. The sense of relaxation changes above 400 degreesC (the mixing temperature). (C) 2004 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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