本发明是通 过采用压坯在高温烧结同时渗铜的方法，来加强颈部强度。
The invention takes method of infiltering copper during sintering green compact at high temperature to enhance the neck strength.
研究铜合金表面铁基渗层的微观组织以及铜基表面渗层的弯曲行为。
The microstructure of surface Fe-based infiltrated layer on copper substrate and the bending behavior are investigated.
石墨渗铜材料的断裂韧性与高强石墨相比基本相当，主要是由于铜相与石墨结合强度低而未能发挥铜相增韧的作用。
The results indicate that, the fracture toughness of copper impregnated graphite is not much greater than that of graphite at room temperature, because the liquid copper does not wet the graphite.
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