30mm厚TA1钛板电子束焊接头性能研究
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- 英文论文题名：Research on Properties of TAI Plate Joint with a Thickness of 30 mm by Electron Beam Welding
- 论文作者：白威 ; 李大东 ; 王若愚 ; 刘锦燕 ; 邓健
- 英文论文作者：Bai Wei ; Li Dadong ; Wang Ruoyu ; Liu Jinyan ; Deng Jian ; Pangang Group Research Institute Co. ; Ltd. ; State Key Laboratory of Vanadium and Titanium Resources Utilization
- 年：2016
- 作者机构：攀钢集团研究院有限公司钒钛资源综合利用国家重点实验室;
- 论文关键词：TA1 ; 电子束焊 ; 显微组织 ; 力学性能
- 英文论文关键词：TA1 ; electron beam welding ; microstructure ; mechanical properties
- 会议召开时间：2016-12-02
- 会议录名称：第八届中国金属学会青年学术年会论文集
- 语种：中文
- 分类号：TG456.3
- 学会代码：ZGJS
- 会议名称：第八届中国金属学会青年学术年会
- 会议地点：中国辽宁沈阳
- 主办单位：中国金属学会
- 学会名称：中国金属学会
- 页数：4
- 文件大小：1491k
- 原文格式：O
- 会议级别：全国
摘要
针对30 mm厚TA1工业纯钛试板开展电子束焊接试验,通过对接头横截面进行微观组织分析、显微硬度测量,以及对比分析母材和接头的拉伸与冲击性能,研究电子束焊对30 mm厚TA1接头的性能影响。结果表明,30mm厚TA1钛板焊接性能良好,电子束焊接使TA1焊缝金属强度增加,焊缝出现明显硬化现象,接头拉伸断口均位于远离焊缝的母材上。接头不同部位的显微硬度整体差别不大,电子束焊接头未出现明显软化现象。接头韧、塑性良好,即使在-60℃条件下也未出现低温脆性转变倾向。与母材相比,焊缝金属的一系列性能表现与电子束焊接过程中的热循环、TA1材料自身的传热特点以及在焊缝和HAZ形成的锯齿状α和针状α相有关。
Experiments of electron beam welding was carried out on TA1 commercial titanium plates with a thickness of 30 mm.The effect of electron beam welding on properties of TA1 plates was researched by conducting microstrucrural analysis and microhardness measurement for the cross section of the joint,and a contrastive analysis of the tensile and impact properties between base material and welded joints.The results showed that TA1 plates possess excellent welding performance,electron beam welding enhanced the strength of weld metal,and a significant hardening phenomenon was appeared on the weld.During the tensile test of joints,all of the fracture surfaces were located on the base metal away from the weld.The overall microhardness difference of different positions of the joint was not apparent,electron beam welding did not make the joint appear obvious softening phenomenon.The ductility of joint was good,which did not show a tendency of low temperature britdeness transition even under the condition of 60 degree Celsius below zero.Compared with the base metal,a series of the performance behavior of weld metal was related to the thermal cycle during electron beam welding process,heat transfer characteristics of TA1 itself,and the serrated a and acicular a phase formed in the weld and HAZ.
Experiments of electron beam welding was carried out on TA1 commercial titanium plates with a thickness of 30 mm.The effect of electron beam welding on properties of TA1 plates was researched by conducting microstrucrural analysis and microhardness measurement for the cross section of the joint,and a contrastive analysis of the tensile and impact properties between base material and welded joints.The results showed that TA1 plates possess excellent welding performance,electron beam welding enhanced the strength of weld metal,and a significant hardening phenomenon was appeared on the weld.During the tensile test of joints,all of the fracture surfaces were located on the base metal away from the weld.The overall microhardness difference of different positions of the joint was not apparent,electron beam welding did not make the joint appear obvious softening phenomenon.The ductility of joint was good,which did not show a tendency of low temperature britdeness transition even under the condition of 60 degree Celsius below zero.Compared with the base metal,a series of the performance behavior of weld metal was related to the thermal cycle during electron beam welding process,heat transfer characteristics of TA1 itself,and the serrated a and acicular a phase formed in the weld and HAZ.
引文
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[11]Liao Zhiqian(谬志谦),Wang Zhongping(王忠平).Development and Application of Materials(钛合金厚板的等离子焊接)[J],2005,(04):27-29.
[12]Ni Cong et al.Applied Laser(应用激光)[J],2015,35(2):212-215.
[2]Li Yajiang(李亚江),Liu Kun(刘坤).Aeronautical Manufacturing Technology(航空制造技术)[J],2015,(16):34-37.
[3]Zhang Binggang(张秉刚),Wu Lin(吴林),Feng Jicai(冯吉才).Welding&Joining(焊接[J],2004,(2):5-8.
[4]Qin Zhanling(秦占领),Hu Chunhai(胡春海),Wang Weiling(王卫玲).Aerospace Manufacturing Technology(航天制造技术)[J],2014,(5):19-21.
[5]Qi Yunlian el al.Materials Science and Engineering A[J],2000,(280):177-181.
[6]Wang Xinkuan(王新宽).Petroleum and Chemical Construction[J],2006,28(3):46.
[7]Cai Runsheng(蔡闰生)et al.Nondestructive Test[J],2013,37(5):24-26.
[8]Wang Wenhan(王文翰).Welding Technology Manual(焊接技术手册)[M].Zhengzhou:Henan Science and Technology Press,2001.
[9]Messier R W.Welding Journa[J],1981(5):78-84.
[10]Gao Fuyang(高福洋),Liao Zhiqian(谬志谦),Li Wenya(李文亚).Aeronautical Manufacturing Technology(航空制造技术)[J],2012,(23):86-90.
[11]Liao Zhiqian(谬志谦),Wang Zhongping(王忠平).Development and Application of Materials(钛合金厚板的等离子焊接)[J],2005,(04):27-29.
[12]Ni Cong et al.Applied Laser(应用激光)[J],2015,35(2):212-215.