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licancanlove

新虫 (初入文坛)

[求助] 压铸镁铝合金内部有许多孔洞 已有2人参与

压铸镁铝合金内部有许多孔洞,在后续表面镀镍工艺的过程中,有什么影响吗,会造成什么后果
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昵称真的存在

新虫 (正式写手)

气孔的存在降低其力学性能,会早期断裂

发自小木虫Android客户端
2楼2019-07-22 00:51:57
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玩命书生

银虫 (小有名气)

可以用表面重熔的方式去除气孔。
3楼2019-07-22 10:09:49
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镁锂人生

铜虫 (小有名气)

【答案】应助回帖

感谢参与,应助指数 +1
建议真空重熔(用惰性气体保护)
4楼2019-07-22 11:03:02
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ZHANGLULU

铁虫 (正式写手)

【答案】应助回帖

感谢参与,应助指数 +1
表面处理前,都会有前处理,像钝化之类;一般压铸合金的表面还是比较致密的,只是内部会有孔洞;
5楼2019-07-22 11:18:57
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