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Author:

刘雪梅 (刘雪梅.) | 宋晓艳 (宋晓艳.) (Scholars:宋晓艳) | 张久兴 (张久兴.)

Indexed by:

CQVIP PKU CSCD

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.

Keyword:

温度分布 放电等离子烧结(SPS) 颈部尺寸

Author Community:

  • [ 1 ] [刘雪梅]北京工业大学
  • [ 2 ] [宋晓艳]北京工业大学
  • [ 3 ] [张久兴]北京工业大学

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Source :

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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