钛及钛合金具有很强的氧化性，在空气中加工时极易氧化，导致零件作废。
So they are easy to be oxidized while processing in the air, and causing the components become invalid.
文章结合地震检波器零件的封闭处理实验，论述铝合金氧化膜封闭处理的好处。
On the basis of the seal processing experiment to seismic geophone parts, the advantages of seal processing to the oxide film of alloy aluminium are related.
该工艺用于超厚氧化皮铜及铜合金零件表面处理，效果较好。
The process can be applied for the surface treatment of copper and copper alloy parts with super-thick oxide films and has a good effect.
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