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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。
标    签 06Cr19Ni10不锈钢   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

 
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所属栏目 试验与研究

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收稿日期 2018/9/17

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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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