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Author:

许飞 (许飞.) | 陈俐 (陈俐.) | 巩水利 (巩水利.) | 李晓延 (李晓延.) (Scholars:李晓延)

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CQVIP PKU CSCD

Abstract:

对3mm厚5A90铝锂合金板材进行YAG-MIG复合焊试验,发现复合焊虽能增加MIG焊缝的熔宽和熔深,但当焊接电流小于一定阈值时.复合焊效果并非大于二者单独施焊效果之和.即复合焊只能实现"1+1<2"的焊接效果;只有当焊接电流超过该阈值时,复合焊才会出现"1+1>2"的焊接效果.此时复合焊的优势才得以充分体现.这主要是在复合焊接过程中,电流的高低影响熔池的铺展性,进而影响激光对母材的穿透力所致.

Keyword:

铝锂合金 焊接电流 铺展性 复合焊 激光-MIG复合焊

Author Community:

  • [ 1 ] [许飞]北京工业大学
  • [ 2 ] [陈俐]北京航空制造工程研究所
  • [ 3 ] [巩水利]北京航空制造工程研究所
  • [ 4 ] [李晓延]北京工业大学

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Source :

热加工工艺

ISSN: 1001-3814

Year: 2009

Issue: 7

Volume: 38

Page: 103-105

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 20

Chinese Cited Count:

30 Days PV: 1

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