摘要
探讨了SA335P91材料焊接接头的组织变化及冲击韧性下降的原因,利用经验公式计算相关数据,通过分析这些数据给出了焊接工艺参数。
This article discusses the changes of SA335P91 steel welding joints＇ organization and the factors which make the joints＇ V - notch impact strength declined. Studying the data achieved from empirical formulas calpulating correrative data, analyzing which the article presents the welding parameters.
出处
《河北电力技术》
2006年第2期16-18,共3页
Hebei Electric Power
关键词
焊接参数
焊接热影响区
临界预热温度
焊接热循环
welding parameters
HAZ
critical- preheating temperature
welding thermal cycle
