40Cr/Q345B bimetallic composite behavior and interfacial microstructure evolution

doi:10.13251/j.issn.0254-6051.2024.01.013

Abstract

Abstract: Vacuum diffusion bonding test of 40Cr/Q345B bimetallic material was carried out under the hot compression temperature of 1000-1200 ℃, strain rate of 0.01 s^-1 and reduction of 10%-50%. The effects of hot compression temperature and reduction on the stress-strain curve and bonding interface of the bimetallic material were analyzed. The results show that the peak stress of the stress-strain curve decreases with the increase of hot compression temperature, but is not sensitive to the change of the reduction. There is an unbound zone at the interface under the condition of low temperature and low reduction. With the increase of hot compression temperature and reduction, the unbound zone at the interface disappears, the martensite gradually passes through the interface, and the grains at the interface change from straight grain boundary to curved grain boundary until the interface disappears, and the metallurgical bonding forms.

Key words: 40Cr/Q345B bimetal, hot compression, interface, microstructure, grain

CLC Number:

TG142.1

Yuan Hairui, Chen Yubo, Wang Peijie, Li Zhenjiang. 40Cr/Q345B bimetallic composite behavior and interfacial microstructure evolution[J]. Heat Treatment of Metals, 2024, 49(1): 90-95.

References

[1]巩国平. 双金属复合管的挤压生产工艺[J]. 钢管, 2014, 43(2): 36-40.
Gong Guoping. Extrusion process for manufacturing bimetal clad pipes[J]. Steel Tube, 2014, 43(2): 36-40.
[2]李杨, 胡红军, 钟韬, 等. 铝/镁双金属复合成形技术的研究现状及发展趋势[J]. 材料热处理学报, 2022, 43(12): 1-9.
Li Yang, Hu Hongjun, Zhong Tao, et al. Research status and development trend of aluminum/magnesium bimetal composite forming technology[J]. Transactions of Materials and Heat Treatment, 2022, 43(12): 1-9.
[3]王晓溪, 张翔, 袁峻池, 等. ECAP结合退火工艺制备铜铝双金属复合棒材的界面组织及结合性能[J]. 稀有金属材料与工程, 2022, 51(11): 4130-4136.
Wang Xiaoxi, Zhang Xiang, Yuan Junchi, et al. Interfacial microstructure and bonding property of Cu/Al bimetallic composite rod fabricated by ECAP and post-annealing[J]. Rare Metal Materials and Engineering, 2022, 51(11): 4130-4136.
[4]张成俊. 爆炸复合法制取金属复合板的现状探讨[J]. 煤矿爆破, 2019, 37(5): 30-34.
Zhang Chengjun. Discussed on the present situation of making metal composite plate by explosion compounding method[J]. Coal Mine Blasting, 2019, 37(5): 30-34.
[5]孟云鹏. 复合挤压AZ31/GW103K双金属复合材料的组织与力学性能[D]. 太原: 太原理工大学, 2022.
Meng Yunpeng. Microstructure and mechanical properties of composite extruded AZ31/GW103K bimetal composites[D]. Taiyuan: Taiyuan University of Technology, 2022.
[6]郑淑钰. SUS304/Q235空心管坯浇铸复合工艺研究[D]. 鞍山: 辽宁科技大学, 2022.
Zheng Shuyu. Research on composite casting process of SUS304/Q235 hollow tube blank[D]. Anshan: Liaoning University of Science and Technology, 2022.
[7]王慧芳, 俞淑延, 肖鹏. 钨、钼材料的热等静压扩散连接研究[J]. 稀有金属, 1986, 10(6): 420-425.
[8]Li Peng, Li Chao, Dong Honggang, et al. Vacuum diffusion bonding of TC4 titanium alloy to 316L stainless steel with AlCoCrCuNi₂ high-entropy alloy interlayer[J]. Journal of Alloys and Compounds, 2022, 909: 164698.
[9]Feng Guangjie, Wei Yan, Hu Bingxu, et al. Vacuum diffusion bonding of Ti2AlNb alloy and TC4 alloy[J]. Transactions of Nonferrous Metals Society of China, 2021, 31(9): 2677-2686.
[10]Ma Pingyi, Chen Xu, Han Xing, et al. Effect of bonding temperature and heat treatment on microstructure and mechanical property of Mg-6Gd-3Y alloy vacuum diffusion bonded joints[J]. Transactions of Nonferrous Metals Society of China, 2022, 32(7): 2205-2215.
[11]李娟, 赵宏龙, 周念, 等. CoCrFeNiCu高熵合金与304不锈钢真空扩散焊[J]. 金属学报, 2021, 57(12): 1567-1578.
Li Juan, Zhao Honglong, Zhou Nian, et al. Diffusion bonding of CoCrFeNiCu high-entropy alloy to 304 stainless steel[J]. Acta Metallurgica Sinica, 2021, 57(12): 1567-1578.
[12]Li Shiwei, Zu Yundi, Du Yajie, et al. Microstructural evolution and mechanical properties of micro-deformation diffusion bonding Inconel 617 superalloy[J]. Materials Characterization, 2022, 194: 112359.
[13]王光磊, 党军, 翟冬雨, 等. 真空热轧Q345B碳钢-304不锈钢复合板界面Cr、Ni扩散行为研究[J]. 特殊钢, 2022, 43(2): 27-30.
Wang Guanglei, Dang Jun, Zhai Dongyu, et al. Research on diffusion behavior of Cr and Ni at interface of vacuum hot-rolled Q345B carbon steel-304 stainless steel clad plate[J]. Special Steel, 2022, 43(2): 27-30.
[14]Xie Bijun, Yu Zhenxiang, Jiang Haiyang, et al. Effects of surface roughness on interfacial dynamic recrystallization and mechanical properties of Ti-6Al-3Nb-2Zr-1Mo alloy joints produced by hot-compression bonding[J]. Journal of Materials Science and Technology, 2022, 96(1): 199-211.
[15]Chen Fei, Zhao Xiaodong, Ren Jinyu, et al. Physically-based constitutive modelling of as-cast CL70 steel for hot deformation[J]. Metals and Materials International, 2021, 27: 1728-1738.
[16]Liu Weifeng, Zhang Jianyang, Sun Mingyue, et al. A hot-compression bonding method for manufacturing large high-speed homogeneous steels[J]. Journal of Materials Research and Technology, 2022, 17: 507-520.
[17]焦少阳, 董建新, 张麦仓, 等. 双金属热轧复合的界面结合影响因素及结合机理[J]. 材料导报, 2009, 23(1): 59-62.
Jiao Shaoyang, Dong Jianxin, Zhang Maicang, et al. Influencing factors and bonding mechanism of hot rolling bonded bimetals[J]. Material Reports, 2009, 23(1): 59-62.