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Phase Transformation Kinetics of Cu-Be-Co-Zr Alloy during Aging Treatment
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School of Materials Science and Engineering,Henan University of Science and Technology,School of Materials Science and Engineering,Henan University of Science and Technology,School of Materials Science and Engineering, Xi’an Jiaotong University,School of Materials Science and Engineering,Henan University of Science and Technology,School of Materials Science and Engineering,Henan University of Science and Technology

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The National Key Research and Development Program of China;State Key Program of National Natural Science Foundation of China

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    Abstract:

    Phase transformation kinetics of Cu-Be-Co-Zr alloy during aging treatment was investigated in this study. Based on the relationship between electrical conductivity and volume fraction of precipitates, the phase transformation ratio of Cu-Be-Co-Zr alloy aged at 480 degrees Celsius for different holding time (0, 30, 60, 120, 180, 240, 360, 480, and 600 min) were calculated. The kinetics equation of phase transformation and the electrical conductivity equation were derived, respectively. The isothermal transformation kinetics S-curves of Cu-Be-Co-Zr alloy was drawn. By using the integral equation of solid thermal decomposition reaction mechanism, the phase transformation mechanism of Cu-Be-Co-Zr alloy is controlled by three dimensions of diffusion.

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[Zhou Yanjun, Song Kexing, Xing Jiandong, Liu Yong, Yang Shaodan. Phase Transformation Kinetics of Cu-Be-Co-Zr Alloy during Aging Treatment[J]. Rare Metal Materials and Engineering,2018,47(4):1096~1099.]
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History
  • Received:May 25,2016
  • Revised:September 09,2016
  • Adopted:October 18,2016
  • Online: May 31,2018
  • Published: