采用等径角挤压(ECAP)对铜铬合金(Cu/3.75%Cr)进行加工,并进行了金相及扫描电镜分析.结果表明:ECAP导致材料晶粒细化十分明显,铬在合金中仍以颗粒状均匀分布.同时,ECAP加工后铜铬合金硬度和抗拉强度也有很大提高.
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