Effects of heat treatment on microstructure and mechanical properties of explosive welded 10CrNi3MoV steel-304L stainless steel

被引：10
|
作者：
Ye, Changqing [1 ]
Lu, Guangyao [1 ]
Ni, Liang [1 ]
Liu, Qingsong [1 ]
Hou, Shuo [1 ]
Tong, He [1 ]
Yao, Yiqiang [1 ]
Zhou, Jianming [1 ]
机构：
[1] China Nucl Power Technol Res Inst Co Ltd, Beijing, Peoples R China
来源：
MATERIALS LETTERS | 2020年 / 262卷
基金：
中国博士后科学基金;
关键词：
Interface; Heat treatment; Explosive welding; Microstructure; Mechanical properties;
D O I：
10.1016/j.matlet.2019.127053
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This study investigated the effect of heat treatment temperature on the microstructure and mechanical properties of 10CrNi3MoV steel - 304L stainless steel bimetallic plates by explosive welding. The results show the deformed grains near the interface were recovered and grew up with increasing heat treatment temperature. Recrystallization occurred at 720 degrees C, which results in over heat treatment. The effect of elements (Fe, Cr and Ni) diffusion and carbides incomplete wetting distribution at the interface is to strength the wavy metallurgical bonding. The value of interfacial shear strength is greater than 400 MPa. Tensile and impact tests showed that heat treatment can regulate the incompatibilities between strength and toughness for 10CrNi3MoV steel. The temperature between 630 degrees C and 660 degrees C was effective heat treatment temperature to obtain excellent comprehensive mechanical properties. (C) 2019 Elsevier B.V. All rights reserved.
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页数：4
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