使用蓝红外混合激光减少纯铜深透焊接中的飞溅

IF 2.4 4区 材料科学 Q2 METALLURGY & METALLURGICAL ENGINEERING
Shumpei Fujio, Yuji Sato, Mao Sudo, Keisuke Takenaka, Koji Tojo, Timotius Pasang, Masahiro Tsukamoto
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引用次数: 0

摘要

利用蓝光-红外混合激光器对纯铜进行板上熔珠焊接,以实现纯铜深熔透焊接中的飞溅抑制,从而提高电动汽车电池和动力装置的性能。这种混合激光器结合了红外(IR)激光器和蓝色二极管激光器,分别作为焊接光源和预热光源。预热可提高纯铜在红外区域的光吸收率。采用 1.5 千瓦蓝色二极管激光器,通过将预热区域的相从固相变为液相和气相来提高光吸收率。通过实验研究蓝色二极管激光器强度的影响,阐明了蓝-红外混合激光器预热区对纯铜焊接的相效应。结果发现,液态预热区可将深穿透焊接过程中的飞溅降至最低。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Spatter reduction in deep penetration welding of pure copper using blue-IR hybrid laser

Spatter reduction in deep penetration welding of pure copper using blue-IR hybrid laser

Bead-on-plate welding of pure copper with a blue-IR hybrid laser was conducted to achieve a spatter suppression in deep penetration welding of pure copper for the performance improvement of battery and power device of e-mobility. This hybrid laser combines an infrared (IR) laser and a blue diode laser as the welding source and preheating source, respectively. Preheating increases the light absorptivity of pure copper in the IR region. A 1.5-kW blue diode laser was employed to increase the light absorptivity by changing the phase of the preheated area from solid phase to liquid and gas phase. By experimentally investigating the influence of the blue diode laser intensity, the phase effects of the preheated area on pure copper welding with a blue-IR hybrid laser are elucidated. As a result, it was found that a liquid preheated area minimizes spatter during deep penetration welding.

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来源期刊
Welding in the World
Welding in the World METALLURGY & METALLURGICAL ENGINEERING-
CiteScore
4.20
自引率
14.30%
发文量
181
审稿时长
6-12 weeks
期刊介绍: The journal Welding in the World publishes authoritative papers on every aspect of materials joining, including welding, brazing, soldering, cutting, thermal spraying and allied joining and fabrication techniques.
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