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Ultrasonic evaluation method for grain size of powder alloy components based on phase velocity

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  • Release time:2017-07-12

  • Leading Scientist:李雄兵

  • Status:previous

  • Supported by:国家自然科学基金

  • Project Number:61271356

  • Date of Project Completion:2016-12-31

  • Date of Project Initiation:2013-01-01

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