Indexed by:
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:
Reprint Author's Address:
Email:
Source :
焊接学报
ISSN: 0253-360X
Year: 2008
Issue: 12
Volume: 29
Page: 13-16
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
Affiliated Colleges: