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Abstract:
通过自保护药芯焊丝药芯配方中铝粉加入量的变化、以及采用含铝和不含铝两种钢带作为焊丝外皮的变化,深入地研究了铝对焊缝气孔敏感性、熔敷金属力学性能、金相组织、夹杂物种类及形态的影响.研究结果表明,随焊丝药芯配方中铝粉的增加,熔敷金属中铝含量增加、氧含量下降、氮含量明显下降,焊缝气孔敏感性大大降低,但熔敷金属显微组织恶化,夹杂物数量增多,熔敷金属的韧性明显下降;采用含铝钢带制造自保护药芯焊丝能充分发挥铝的有利作用,同时减少熔敷金属中残留铝含量及对性能的不利影响.
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Source :
焊接学报
ISSN: 0253-360X
Year: 2000
Issue: 2
Volume: 21
Page: 10-13
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 32
Chinese Cited Count:
30 Days PV: 15
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