E43厚钢板焊接接头的断裂韧性试验  

Fracture Toughness Test for Welded Joints of E43 Heavy Plate

作　　者：余启明[1] 孙代文 张智[1] 

机构地区：[1]武汉工业学院土建学院,湖北武汉430023 [2]武汉市公路勘察设计院,湖北武汉430015

出　　处：《湖北汽车工业学院学报》2012年第1期31-33,共3页Journal of Hubei University Of Automotive Technology

摘　　要：根据BS7448断裂韧度试验标准,对常用的E43厚钢板进行了CTOD(裂纹尖端张开位移)断裂韧度试验,分别测试了在20℃室温条件下母材、热影响区、焊缝区的CTOD数值,测试验结果表明:母材、热影响区、焊缝区的CTOD特征值均大于允许值,工程结构断裂韧度符合要求。In accordance with the BS7448,fracture toughness test standard,CTOD（crack tip open displacement） fracture toughness tests were conducted for the heavy plate E43 at room temperature 20℃.The CTOD values of the base metal,heat effect zone and welded seam were obtained.The results show that their CTOD values are more than the allowable values,the structure has enough fracture toughness.

关 键 词：E43 焊接接头 裂纹尖端张开位移(CTOD) 断裂韧性 

分 类 号：TG47[金属学及工艺—焊接]