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Abstract:
建立了用于模拟导电材料在放电等离子烧结(SPS)过程中粉末颗粒热传导行为的计算模型.以球形铜粉为研究对象,对颗粒内部温度分布和颈部尺寸变化进行了模拟计算和分析,模拟结果表明:SPS过程中颗粒内部的温度分布极不均匀,烧结颈部的长大速率在烧结过程中并不一致.不同烧结阶段颈部尺寸变化的模拟结果和实验测定结果基本吻合.揭示了SPS过程中烧结颈部形成和长大的根本原因是颗粒接触部位的局部高温.
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金属学报
ISSN: 0412-1961
Year: 2006
Issue: 7
Volume: 42
Page: 757-762
2 . 3 0 0
JCR@2022
ESI Discipline: MATERIALS SCIENCE;
JCR Journal Grade:2
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 29
Chinese Cited Count:
30 Days PV: 11
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