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Author:

赵玉珍 (赵玉珍.) | 赵海燕 (赵海燕.) | 史耀武 (史耀武.)

Indexed by:

CQVIP PKU CSCD

Abstract:

运用晶界演化Grain bourldary evolution模型,利用PHOENICS软件计算在不同焊接参数下1Cr18Ni9Ti不锈钢TIG焊接温度场,采用VB语言编制程序模拟了焊缝中柱状晶的生长.结果表明,熔池形状和尺寸影响了柱状晶的生长方向,熔池长宽比越大,晶粒的生长方向越垂直于焊缝中心,晶粒短而直;长宽比越小,熔池形状越接近圆形,晶粒的弯曲程度越大,晶粒长而弯.Grain boundary evolution模型能准确地模拟不锈钢焊缝中柱状晶的生长形态,与试验结果中的柱状晶的生长形态吻合较好.

Keyword:

不锈钢 组织模拟 Grain boundary evolution模型 焊缝凝固

Author Community:

  • [ 1 ] [赵玉珍]清华大学
  • [ 2 ] [赵海燕]清华大学
  • [ 3 ] [史耀武]北京工业大学

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Source :

焊接学报

ISSN: 0253-360X

Year: 2008

Issue: 12

Volume: 29

Page: 13-16

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 11

Chinese Cited Count:

30 Days PV: 1

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