Influence of the degree of dilution with laser beam vacuum-welded Cu-Al mixed joints on the electrical properties

Influence of the degree of dilution with laser beam vacuum-welded Cu-Al mixed joints on the electrical properties
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激光束真空焊接铜铝混合接头稀释度对电性能的影响

DOI:
10.1016/j.procir.2018.08.022
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发表时间:
2018
期刊:
Procedia CIRP
影响因子:
--
通讯作者:
Jakobs
Jakobs
中科院分区:
--
文献类型:
--
作者:
Reisgen;Olschok;Jakobs

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轻质结构的巨大潜力在于用铝替代铜。迄今为止,现有技术仅将重点放在裂纹敏感金属间相的识别上。外部影响因素,例如温度、电流馈送和时间,通过扩散和电迁移导致连接区结构的变化。此外,异种材料接头的技术性能会发生暂时的变化(电阻增加、强度降低)。关于激光束在真空焊接下的这种行为的发现将有助于得出关于预期寿命的结论。
A great potential for light-weight construction lies in the substitution of copper by aluminum. The state of the art, so far, has put the focus only on the identification of the crack-sensitive intermetallic phase.External influential factors, such as temperature, current-feed and time bring about the change of the joining zone structure by diffusion and electro-migration. Moreover, a temporal change of the technological properties (increase of the electric resistance, reduction of strength) of the dissimilar material joint will occur. Findings about this behavior for laser beam under vacuum welds will allow to draw conclusions about the expected life-time.
DOI: 10.1002/latj.201600029
发表时间: --
期刊: Laser Technik Journal
影响因子: --
作者:
Reisgen;Olschok;Turner;Christoph
通讯作者: Christoph