Experimental Analysis of HSLA Steel Welded Joint Fracture Behaviour

被引：0
|
作者：
Milovic, Ljubica [1 ]
Sedmak, Aleksandar [2 ]
Blacic, Ivo
Vuherer, Tomaz
Petrovski, Blagoj
机构：
[1] Univ Belgrade, Fac Technol & Met, Karnegijeva 4, Belgrade 11120, Serbia
[2] Univ Belgrade, Fac Mech Engn, Kraljice Marije 16, Belgrade 11120, Serbia
来源：
23 EUROPEAN CONFERENCE ON FRACTURE, ECF23 | 2022年 / 42卷
关键词：
HSLA; SEM micrographs; welding; fracture; PLANE-STRAIN; CRACK; RESISTANCE; IMPACT; PARAMETERS; TOUGHNESS; WELDMENTS;
D O I：
10.1016/j.prostr.2022.12.190
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In order to assess the integrity of welded pressure vessel containing a crack, the behavior of three-point bending specimens made of HSLA steel welded joint are tested at -40 degrees C, and their fracture behaviour analyzed, as a conservative measure of crack resistance. Specimens were made of low-alloyed steel NIONIKRAL 70, welded by SAW process. Surface notches were machined by the electro-erosion method in the parent metal (PM), heat affected zone (HAZ) and weld metal (WM). The highest resistance to cracking was in PM, and the lowest one in WM, due to so-called pop-in behaviour. (c) 2022 The Authors. Published by Elsevier B.V.
引用
收藏
页码：1497 / 1502
页数：6
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