06Cr19Ni10不锈钢/A283低碳钢扩散焊接接头的显微组织和力学性能
Microstructure and Mechanical Properties of Diffusion Welded Joint of 06Cr19Ni10 Stainless Steel/A283 Low Carbon Steel
摘 要
采用真空扩散焊接对06Cr19Ni10不锈钢和A283低碳钢进行了扩散连接，并对焊接接头的显微组织和力学性能进行了研究。结果表明：06Cr19Ni10不锈钢和A283低碳钢扩散焊接接头的抗拉强度和屈服强度随着焊接温度的升高有增大的趋势；当焊接温度为850℃时，焊接接头的断后伸长率和冲击吸收能量达到最大。当Cr23C6析出相的尺寸较大时，将降低扩散焊接接头的韧性，成为导致该焊接接头断裂失效的裂纹源。
A283低碳钢
真空扩散焊接
显微组织
力学性能
06Cr19Ni10 stainless steel
A283 low carbon steel
vacuum diffusion welding
microstructure
mechanical property
Abstract
The diffusion bonding of 06Cr19Ni10 stainless steel and A283 low carbon steel was carried out by vacuum diffusion welding, and the microstructure and mechanical properties of the welded joint were studied. The results show that the tensile strength and yield strength of diffusion welded joint of 06Cr19Ni10 stainless steel and A283 low carbon steel increased with the increase of welding temperature, and the elongation after fracture and impact energy absorption of welded joint were the largest when welding temperature was 850℃. When the size of Cr23C6 precipitates was large, the toughness of diffusion welded joint would be reduced, which would become the crack source leading to the fracture failure of the welded joint.
中图分类号 TG456.3 DOI 10.11973/lhjy-wl201909004
所属栏目 试验与研究
基金项目
收稿日期 2018/9/17
修改稿日期
网络出版日期
作者单位点击查看
联系人作者丁春辉(47961789@qq.com)
备注王大伟(1979-),男,工程师,主要从事焊接工艺研究工作
引用该论文: WANG Dawei,DING Chunhui,HU Xiyu,NIU Zhenyu,YANG Mingsi. Microstructure and Mechanical Properties of Diffusion Welded Joint of 06Cr19Ni10 Stainless Steel/A283 Low Carbon Steel[J]. Physical Testing and Chemical Analysis part A:Physical Testing, 2019, 55(9): 607～610
王大伟,丁春辉,胡熙玉,牛振宇,杨铭斯. 06Cr19Ni10不锈钢/A283低碳钢扩散焊接接头的显微组织和力学性能[J]. 理化检验－物理分册, 2019, 55(9): 607～610
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参考文献
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【3】KHORRAMI M S,MOSTAFAEI M A,POURALIAKBAR H,et al. Study on microstructure and mechanical characteristics of low-carbon steel and ferritic stainless steel joints[J]. Material Science and Engineering,2014,608:35-42.
【4】KHALIFEH A R,DEHGHAN A,HAJJARI E. Dissimilar joining of AISI 304L/St37 steels by TIG welding process[J]. Acta Metallurgica Sinica,2013,26(6):721-727.
【5】马运柱,刘昊阳,刘文胜,等. 钒/镍复合中间层扩散焊接钨与钢的界面结构及力学性能分析[J]. 焊接学报,2014,35(12):1-6.
【6】刘海,张丽霞,任伟,等. 表面毛化不锈钢与纯铝的真空扩散连接[J]. 焊接学报,2016,37(5):41-44.
【7】HANEKLAUS N,REUVEN R,CIONEA C. Tube expansion and diffusion bonding of 316L stainless steel tube-to-tube sheet joints using a commercial roller tube expander[J]. Journal Material Processing Technology,2016,234:27-33.
【8】ATABAKI M M,BAJGHOLI M E,DEHKORDI E H. Partial transient liquid phase diffusion bonding of zirconium alloy (Zr-2.5Nb) to stainless steel 321[J]. Material Design,2012,42:172-175.
【9】DENG Y Q,SHENG G M,YIN L J. Inpulse pressuring diffusion bonding of titanium to stainless steel using a copper interlayer[J]. Rare Metal Materials and Engineering,2015,44:1041-1047.
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