期刊文献+

Development of the model for simulating weld metal solidification cracking in stainless steel 被引量:4

Development of the model for simulating weld metal solidification cracking in stainless steel
下载PDF
导出
摘要 According to the characteristics of welding process, this paper divided the welding joint of a weldment into three zones: the liquid zone in the molten pool, the solid liquid co existing zone and the solid zone. In order to develop the stress/strain numerical model, the mechanical behaviors of the three zones were analyzed in detail. Moreover, Based on the solid fractions during solidification process and loading unloading deforming curves of stainless steel SUS310, this paper also studied the effects of deformation of molten pool, the rheologic properties and solidification shrinkage on stress/strain evaluating processes. Finally, the influence of the deformation in the molten pool was eliminated by element rebirth method. Furthermore, the algorithm of the thermal stress/strain for the solid metal formulated on the basis of the incremental thermo elastoplastic constitutive theory. As a result, a numerical simulation model of stress/strain distributions for welding solidification crack was developed. According to the characteristics of welding process, this paper divided the welding joint of a weldment into three zones: the liquid zone in the molten pool, the solid liquid co existing zone and the solid zone. In order to develop the stress/strain numerical model, the mechanical behaviors of the three zones were analyzed in detail. Moreover, Based on the solid fractions during solidification process and loading unloading deforming curves of stainless steel SUS310, this paper also studied the effects of deformation of molten pool, the rheologic properties and solidification shrinkage on stress/strain evaluating processes. Finally, the influence of the deformation in the molten pool was eliminated by element rebirth method. Furthermore, the algorithm of the thermal stress/strain for the solid metal formulated on the basis of the incremental thermo elastoplastic constitutive theory. As a result, a numerical simulation model of stress/strain distributions for welding solidification crack was developed.
出处 《China Welding》 EI CAS 1999年第2期57-62,共6页 中国焊接(英文版)
关键词 stainless steel welding solidification crack driving force numerical simulation stainless steel, welding solidification crack, driving force, numerical simulation
  • 相关文献

同被引文献19

引证文献4

二级引证文献8

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部