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

页码：365 / 373

页数：9

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