Metal cold resistance of the low-alloy steels welding joint, micro-alloyed REM

被引：0
|
作者：
Efimenko N.G. [1 ]
Bartash S.N. [1 ]
Sitnikov P.A. [1 ]
机构：
[1] Kharkov Polytechnic Institute, National Technical University, Kharkov
来源：
Welding International | 2020年 / 34卷 / 4-6期
关键词：
crack nucleation work; electrode coating; impact toughness; mechanical properties; microalloying; Rare earth metals; welding joint metal;
D O I：
10.1080/09507116.2021.1921383
中图分类号：
学科分类号：
摘要：
The effect of rare earth metals (REM), introduced into the electrode coating, on the mechanical properties, chemical composition and impact toughness at test temperatures from +20 to −70°C deposited metal and metal of welding joint on steel 10ХSND was studied. The components of fracture under impact tests are determined: the work of crack initiation (KST3) and work of fracture (KSTr). The character of the fracture surface of the damaged samples is studied. There is an increase in the impact toughness of a metal, micro-alloyed REM, in the investigated temperature range of the tests. © 2021 Informa UK Limited, trading as Taylor & Francis Group.
引用
收藏
页码：148 / 151
页数：3
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