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Mechanism of Gravity Effect on Solidification Microstructure of Eutectic Alloy 被引量:3
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作者 Nannan Zhang xinghong luo +1 位作者 Shaobo Feng Yuhu Ren 《Journal of Materials Science & Technology》 SCIE EI CAS CSCD 2014年第5期499-503,共5页
The influence of gravity on the solidification microstructure of Al-Al3Ni eutectic alloy was investigated by using a 50-m-long drop tube. It was found that at different growth rates the average inter-rod spacing was a... The influence of gravity on the solidification microstructure of Al-Al3Ni eutectic alloy was investigated by using a 50-m-long drop tube. It was found that at different growth rates the average inter-rod spacing was always larger under rnicrogravity (μg) than those under normal gravity (lg). Moreover, with increasing growth rate, the spacing difference between lg samples and μg samples reduced progressively. Based on the experimental results and analysis, a physical model was proposed to describe the effect of gravity on the solidification process of eutectic alloy. 展开更多
关键词 Al-Al3Ni eutectic Drop tube MICROGRAVITY SOLIDIFICATION EUTECTIC
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