扩散连接工艺对SP-700钛合金热轧板连接界面结合性能的影响
Effect of Diffusion Bonding Process on Connection Interface Bonding Propertyof SP-700 Titanium Alloy Hot Rolled Sheet
摘 要
对SP-700钛合金热轧板进行扩散连接试验，研究了扩散连接温度（720，750，780，810，840 ℃）和时间（5，15，30，45 min）对合金板连接界面形貌及结合强度的影响。结果表明：随扩散连接温度的升高和时间的延长，合金未结合区域减少直至消失，界面结合强度增加；温度越高，界面完全结合所需时间越短，在温度高于750 ℃下扩散连接30 min时，界面基本实现完全结合；在840 ℃扩散连接30 min后，合金结合界面上存在大量等轴α相，界面结合强度最高，达400 MPa。
扩散连接工艺
界面结合强度
SP-700 titanium alloy
diffusion bonding process
interface bonding strength
Abstract
Diffusion bonding test was performed on SP-700 titanium alloy hot rolled sheet, and the effects of diffusion bonding temperature (720, 750, 780, 810, 840 ℃) and time (5, 15, 30, 45 min) on the connection interface morphology and bonding strength were studied. The results show that with the increase of diffusion bonding temperature and time, the unbonded area of the alloy decreased until disappeared, and the interface bonding strength increased. The higher the temperature, the shorter the time interval required for fully integrating of the interface. When the bonding temperature was higher than 750 ℃ and time was 30 min, the interface was basically fully integrated. After diffusion bonding at 840 ℃ for 30 min, many equiaxed α phases existed on the bonding interface, and the interface bonding strength was the highest, reaching 400 MPa.
中图分类号 TG146.23 DOI 10.11973/jxgccl202008005
所属栏目 试验研究
基金项目
收稿日期 2019/11/26
修改稿日期 2020/6/19
网络出版日期
作者单位点击查看
备注刘继雄(1983-),男,湖北孝感人,高级工程师,博士
引用该论文: LIU Jixiong,WANG Wenjun,HUANG Tuo,WANG Xin,WANG Xiaoxiang,WANG Dingchun,GAO Qi. Effect of Diffusion Bonding Process on Connection Interface Bonding Propertyof SP-700 Titanium Alloy Hot Rolled Sheet[J]. Materials for mechancial engineering, 2020, 44(8): 23～26
刘继雄,王文君,黄拓,王新,王小翔,王鼎春,高颀. 扩散连接工艺对SP-700钛合金热轧板连接界面结合性能的影响[J]. 机械工程材料, 2020, 44(8): 23～26
共有人对该论文发表了看法，其中：
人认为该论文很差
人认为该论文较差
人认为该论文一般
人认为该论文较好
人认为该论文很好
参考文献
【1】黄金昌. SP700钛合金的开发和应用[J]. 稀有金属与硬质合金, 1998, 134(9): 58-62.
【2】王悔改,李文博,李鑫鑫,等.SP700钛合金的多重固溶时效处理[J].铸造技术,2014,35(9):1990-1993.
【3】陈梦薇,李淼泉.固态扩散连接空洞闭合模型的研究进展[J].材料导报,2010,24(9):101-104.
【4】徐子文, 阮中健, 张桂林, 等. 扩散连接中界面迁移机制研究[J]. 焊接技术, 2003, 32(1): 8-9.
【5】林兆荣,张中元.超塑性状态下Ti-6Al-4V钛合金扩散连接研究[J].航空学报,1992,13(5):288-295.
【6】TSAY L W,DING Y S,CHUNG W C,et al.Notched tensile strength of SP-700 laser welds[J].Materials Letters, 2008,62(6/7):1114-1117.
【7】TSAY L W,HSU C L,CHEN C.Notched tensile fracture of Ti-4.5Al-3V-2Fe-2Mo welds at elevated temperatures[J].Materials Chemistry and Physics, 2010,120(2/3):715-721.
【8】GUNAWARMA N,NINOMI M,EYLON D,et al.Improvement in fracture toughness of Ti-4.5Al-3V-2Mo-2Fe through microstructural optimization[J].Metallurgical and Materials Transactions A, 2003,34(2):267-275.
【9】CHU C Y,HSIEH C T,TSAY L W.Microstructure and notched tensile fracture of Ti-6Al-4V to Ti-4.5Al-3V-2Fe-2Mo dissimilar welds[J].Materials & Design, 2014,63:14-19.
【2】王悔改,李文博,李鑫鑫,等.SP700钛合金的多重固溶时效处理[J].铸造技术,2014,35(9):1990-1993.
【3】陈梦薇,李淼泉.固态扩散连接空洞闭合模型的研究进展[J].材料导报,2010,24(9):101-104.
【4】徐子文, 阮中健, 张桂林, 等. 扩散连接中界面迁移机制研究[J]. 焊接技术, 2003, 32(1): 8-9.
【5】林兆荣,张中元.超塑性状态下Ti-6Al-4V钛合金扩散连接研究[J].航空学报,1992,13(5):288-295.
【6】TSAY L W,DING Y S,CHUNG W C,et al.Notched tensile strength of SP-700 laser welds[J].Materials Letters, 2008,62(6/7):1114-1117.
【7】TSAY L W,HSU C L,CHEN C.Notched tensile fracture of Ti-4.5Al-3V-2Fe-2Mo welds at elevated temperatures[J].Materials Chemistry and Physics, 2010,120(2/3):715-721.
【8】GUNAWARMA N,NINOMI M,EYLON D,et al.Improvement in fracture toughness of Ti-4.5Al-3V-2Mo-2Fe through microstructural optimization[J].Metallurgical and Materials Transactions A, 2003,34(2):267-275.
【9】CHU C Y,HSIEH C T,TSAY L W.Microstructure and notched tensile fracture of Ti-6Al-4V to Ti-4.5Al-3V-2Fe-2Mo dissimilar welds[J].Materials & Design, 2014,63:14-19.
相关信息
