首页 > 论文 > 激光与光电子学进展 > 54卷 > 11期(pp:111402--1)

Hastelloy C-276薄板脉冲激光填丝焊接成形工艺

Forming Process of Pulsed Laser Welding with Filler Wire for Hastelloy C-276 Sheets

  • 摘要
  • 论文信息
  • 参考文献
  • 被引情况
  • PDF全文
分享:

摘要

基于0.5 mm厚Hastelloy C-276薄板进行了脉冲激光填丝焊接实验,研究了激光单脉冲能量和离焦量对焊缝成形的影响规律。研究结果表明,单脉冲能量和离焦量主要影响脉冲激光焊接热输入量、光斑大小和激光空间分布,并且对焊缝成形的宏观形貌影响较大;随着热输入量的增大,焊缝上下熔宽增大,焊缝下余高和下接触角也增大;在一定离焦量范围内,激光光斑直径越大,焊缝熔宽越大;受激光空间分布的影响,负离焦时,焊缝上熔宽总是略大于下熔宽;在一定工艺条件下,可获得正余高可控的焊接接头及熔宽、余高和接触角均匀而熔宽较小的焊缝形貌;焊缝上下表面光滑、均匀,表现出半圆波浪条纹特征。

Abstract

The experiment of pulsed laser welding with filler wire on 0.5 mm thick Hastelloy C-276 sheets is conducted, and the influence rules of laser single pulse energy and defocusing on the weld joint forming are studied. The study results show that the single pulse energy and the defocusing mainly influence the heat input of pulsed laser welding, spot size and spatial distribution of laser beam, and they also have a great influence on the macroscopic morphology of the weld joint forming. With the increase of the heat input, both of the top and bottom welding widths of weld joints increase, and the bottom reinforcement and the bottom contact angle of weld joints also increase. In a certain range of defocusing, the larger the laser spot diameter is, the wider the weld joint width is. With the influence of the laser beam spatial distribution, the top welding width is always slightly larger than the bottom welding width when the defocusing is negative. Under a certain process condition, the weld joints with controllable positive reinforcement, and the weld joint appearance with uniform weld width, reinforcement and contact angle, but small weld width, can be obtained. The top and bottom surfaces of weld joints are smooth and uniform, which show a feature of semicircular wave stripes.

投稿润色
补充资料

中图分类号:TG456.7

DOI:10.3788/lop54.111402

所属栏目:激光器与激光光学

基金项目:安徽省高校自然科学基金(KJH2015B02)

收稿日期:2017-05-04

修改稿日期:2017-05-31

网络出版日期:--

作者单位    点击查看

许 媛:黄山学院信息工程学院, 安徽 黄山 245021
吴冬冬:大连理工大学机械工程学院, 辽宁 大连 116024
马广义:大连理工大学机械工程学院, 辽宁 大连 116024

联系人作者:许媛(yuanxu@hsu.edu.cn)

备注:许 媛(1982-),女,硕士,讲师,主要从事激光加工和激光等离子体数值模拟方面的研究。

【1】Zheng M G, Yan J Q, Jun S T, et al. The general design and technology innovations of CAP1400[J]. Engineering, 2016, 2(1): 97-102.

【2】Manikandan M, Arivazhagan N, Rao M N, et al. Improvement of microstructure and mechanical behavior of gas tungsten arc weldments of alloy C-276 by current pulsing[J]. Acta Metallurgica Sinica, 2015, 28(2): 208-215.

【3】Li Xinhe, Yan Yuesheng, Liu Yanping, el al. Study on microstructure and properties of welded joint of extra thin Ni-based alloy plate[J]. Journal of Plasticity Engineering, 2011, 18(6): 91-96.
李新和, 严岳胜, 刘燕平, 等. 镍基合金薄板焊缝组织与性能[J]. 塑性工程学报, 2011, 18(6): 91-96.

【4】Ahmad M, Akhter J I, Akhtar M, el al. Microstructure and hardness studies of the electron beam welded zone of Hastelloy C-276[J]. Journal of Alloys and Compounds, 2005, 390(1/2): 88-93.

【5】Ma Guangyi, Wu Dongjiang, Wang Zhanhong. Weld joint forming of thin Hastelloy C-276 sheet of pulsed laser welding[J]. Chinese J Lasers, 2011, 38(6): 0603014.
马广义, 吴东江, 王占宏. 脉冲激光焊接对超薄Hastelloy C-276焊缝成形的影响[J]. 中国激光, 2011, 38(6): 0603014.

【6】Ma G Y, Wu D J, Niu F Y, et al. Microstructure evolution and mechanical property of pulsed laser welded Ni-based superalloy[J]. Optics and Lasers in Engineering, 2015, 72: 39-46.

【7】Turichin G A, Tsibulskiy I, Kuznetsov M, et al. Influence of the gap width on the geometry of the welded joint in hybrid laser-arc welding[J]. Physics Procedia, 2015, 78: 14-23.

【8】Liu Dongyu, Li Dong, Li Kaibin, et al. Influence of laser with same line energy on the microstructure and properties of welded[J]. Laser & Optoelectronics Progress, 2015, 52(10): 101402.
刘东宇, 李东, 李凯斌, 等. 相同激光线能量对焊缝组织和性能的影响[J]. 激光与光电子学进展, 2015, 52(10): 101402.

【9】Qi Xiaoyong, Zhang Wei, Yu Shiwen, et al. Microstructural and mechanical study on laser welding seam of C18000 alloy[J]. Laser & Optoelectronics Progress, 2017, 54(7): 071405.
祁小勇, 张威, 余世文, 等. C18000铜合金激光焊缝组织和力学性能的研究[J]. 激光与光电子学进展, 2017, 54(7): 071405.

【10】Chen Genyu, Chen Fei, Zhang Yi, et al. Effect of butt joint gap to high-strength automobile steel of fiber laser welding[J]. Chinese J Lasers, 2011, 38(6): 0603013.
陈根余, 陈飞, 张屹, 等. 对接间隙对车用高强钢光纤激光焊接的影响[J]. 中国激光, 2011, 38(6): 0603013.

【11】Wang Qiming, Qiao Junnan, Zou Jianglin, et al. Fiber laser-variable polarity TIG hybrid welding of A7N01 aluminum alloy with filler wire[J]. Chinese J Lasers, 2016, 43(6): 0602004.
王启明, 乔俊楠, 邹江林, 等. A7N01铝合金光纤激光-变极性TIG复合填丝焊接工艺研究[J]. 中国激光, 2016, 43(6): 0602004.

【12】Zhao Yong, Wang Qingzhao, Huang Jian, et al. Microstructures and properties of ultra-narrow-gap multi-pass welded joint of 50 mm turbine rotor steel by laser welding with filler wire[J]. Chinese J Lasers, 2015, 42(2): 0203007.
赵勇, 王清曌, 黄坚, 等. 50 mm转子钢超窄间隙激光填丝焊接头组织与性能[J]. 中国激光, 2015, 42(2): 0203007.

引用该论文

Xu Yuan,Wu Dongdong,Ma Guangyi. Forming Process of Pulsed Laser Welding with Filler Wire for Hastelloy C-276 Sheets[J]. Laser & Optoelectronics Progress, 2017, 54(11): 111402

许 媛,吴冬冬,马广义. Hastelloy C-276薄板脉冲激光填丝焊接成形工艺[J]. 激光与光电子学进展, 2017, 54(11): 111402

您的浏览器不支持PDF插件,请使用最新的(Chrome/Fire Fox等)浏览器.或者您还可以点击此处下载该论文PDF