结果表明，激光表面钴合金化可获得含钴均匀的合金化层，高温硬度和热疲劳性能均有提高。
The results show that the high temperature hardness and the heat fatigue performance of alloying layer are improved.
结果表明，激光表面钴合金化可获得含钴均匀的合金化层，高温硬度和热疲劳性能均有提高。
The results show that the high temperature hardness and the heat fatigue performance of alloying layer are improved.
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