CMT焊接AISI 430和HARDOX 500钢的可焊性和力学性能

IF 2.4 4区材料科学 Q2 MATERIALS SCIENCE, CHARACTERIZATION & TESTING

Materials Testing Pub Date : 2023-06-29 DOI:10.1515/mt-2023-0169

Mustafa Engin Kocadağistan, Oğuzhan Çinar, T. Teker

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引用次数: 0

摘要

摘要本研究采用冷金属转移(CMT)焊接方法将AISI 430和HARDOX 500钢连接在一起。采用OM和SEM分析了焊接区和热影响区性能和组织变化。通过显微硬度、缺口冲击和拉伸试验来确定焊接试样的力学性能。用扫描电镜对冲击试验后试样的破裂面进行了观察。在热影响区形成粗晶粒，但仅限于冷态金属转移焊接的低温输入。N3试样由AISI 430母材断裂而成，延伸量为16.32 mm。抗拉强度为380 ~ 493 MPa。AISI 430和HARDOX 500钢结合CMT焊接的力学性能显著提高，可焊性被证明是可能的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Weldability and mechanical behavior of CMT welded AISI 430 and HARDOX 500 steels

Abstract In this study, AISI 430 and HARDOX 500 steels were joined by cold metal transfer (CMT) welding method. The properties and microstructural changes of the welding and HAZ regions were investigated by OM and SEM analyses. Microhardness, notch impact, and tensile tests were performed to determine the mechanical properties of the welded specimens. The ruptured surfaces of the test specimens after the impact test were examined using SEM. Coarse grains were formed in the HAZ regions but were limited to the low-temperature input of the cold metal transfer welding. The N3 specimen was broken from AISI 430 base metal and the elongation amount was 16.32 mm. Tensile strengths were from 380 to 493 MPa. The mechanical properties of AISI 430 and HARDOX 500 steels combined with CMT welding increased significantly and weldability was proven possible.

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来源期刊

Materials Testing 工程技术-材料科学：表征与测试

CiteScore

4.20

自引率

36.00%

发文量

165

审稿时长

4-8 weeks

期刊介绍： Materials Testing is a SCI-listed English language journal dealing with all aspects of material and component testing with a special focus on transfer between laboratory research into industrial application. The journal provides first-hand information on non-destructive, destructive, optical, physical and chemical test procedures. It contains exclusive articles which are peer-reviewed applying respectively high international quality criterions.