Phase and Structural Transformations of Weld Metal under High-Velocity Impact

被引：0
|
作者：
Tabatchikova, T., I [1 ]
Morozova, A. N. [1 ]
Tereshchenko, N. A. [1 ]
机构：
[1] Russian Acad Sci, Mikheev Inst Met Phys, Ural Branch, Ekaterinburg 620137, Russia
来源：
COMBUSTION EXPLOSION AND SHOCK WAVES | 2020年 / 56卷 / 03期
关键词：
steel; weld; high-velocity impact; metastable austenite; martensite; microhardness; X-ray diffraction studies; microindentation; MECHANICAL-PROPERTIES; DEFORMATION; STATES; STEEL;
D O I：
10.1134/S0010508220030144
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The change in the structure of welds made with a new welding wire and subjected to high-velocity impact was investigated by optical and scanning electron microscopy and X-ray diffraction analysis. It is shown that after welding, a structure consisting of martensite, delta-ferrite, and metastable austenite is formed in the weld metal. The subsequent severe impact leads to hardening of the weld metal due to the transformation of metastable austenite to strain-induced martensite. Kinetic microindentation of the weld was performed.
引用
收藏
页码：365 / 373
页数：9
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