S041015 動的せん断プロセスによるCu-Zn粉末の合金化([S041-01]粉末成形とその評価(1))

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  • S041015 Alloying process of Cu-Zn based composite material prepared by compression rotation shearing method

抄録

A new method of solidifying metal powder by compression and shearing process under room temperature was developed. In the solidified specimen, recrystallization is suppressed,so that nano-scale crystal grains are remaining. The hardness of the solidified specimen prepared by this process is increased relative to materials prepared by othe rmethods. The metal powders are solidified by enforced plastic flow and external heating is not required.Recently, a new high-speed,room-temperature alloying process was developed, which is termed the compression rotation shearing method at room temperature. In this study, the alloying process of Cu-Zn mixed powder using compression rotation shearing method was investigated.As a result, X-ray diffraction showed the CuZn alloy structure, while energy dispersive X-ray spectroscopy observation revealed that Cu and Zn disperse uniformly. In addition, the result from electron microscope observation that Cu-Zn composite does not recrystallize which has fine crystal grains was verified.

収録刊行物

  • 年次大会

    年次大会 2013 (0), _S041015-1-_S041015-3, 2013

    一般社団法人 日本機械学会

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