The results show that the oxide of on the 1420 Al-Li alloy surface will make for pores in the process of laser welding,and the pores can be decreased by chemic cleaning to the surface.
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释义
分别采用气体和固体两种类型、三台激光器对1420铝锂合金消除气孔的焊接工艺进行了试验研究。
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