期刊
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY
卷 130, 期 -, 页码 551-557出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/S0924-0136(02)00762-8
关键词
liquid segregation; porosities; test specimen size; compression test; semi-solid material
For optimization of net shape forging process with semi-solid materials (SSMs), it is important to predict the deformation behavior of material. In this study, compression experiments have been performed to investigate the deformation behavior of SSM with variation in processing parameters such as test specimen size and strain-rate. Stress-strain curves and microstructures of SSM were investigated. The characteristics of flow between solid and liquid phase considering liquid segregation is examined through the above experiments. Moreover, porosities were measured to evaluate the effects of experiment parameters on liquid segregation quantitatively. (C) 2002 Elsevier Science B.V. All rights reserved.
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