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Author:

彭书胜 (彭书胜.) | 邹江林 (邹江林.) | 李新桐 (李新桐.) | 武强 (武强.) | 肖荣诗 (肖荣诗.) (Scholars:肖荣诗)

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Abstract:

利用焦点高频旋转方法进行了光纤激光点焊工艺研究,并与传统激光点焊工艺进行了对比分析。结果表明,在热导焊接模式下,利用激光焦点高频重复扫描的熔池热积累效应,通过调节激光旋转工艺参数,可以有效调控焊点形貌。随着热量的不断累积,焊点形貌由双"V"形转变为"W"形,直至"U"形。与传统激光点焊工艺相比,焦点高频旋转点焊的焊点宽深比大,且基本无气孔缺陷。同时,该方法可以有效调控焊点显微组织及显微硬度。

Keyword:

光纤激光 焦点旋转 焊点形貌 激光点焊 显微硬度 激光技术

Author Community:

  • [ 1 ] 北京工业大学激光工程研究院高功率及超快激光先进制造实验室

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Source :

中国激光

Year: 2018

Issue: 11

Volume: 45

Page: 111-117

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 8

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