SUN Jianjun, LIU Hanqiang, WANG Yongzhao, LEI Zhufang, LI Wenfu, CHEN Huidong. Influence of Oxygen Coefficient on the Microstructure and Hardness of Al2O3/Cu Powder[J]. Development and Application of Materials, 2019, 34(6): 15-20. DOI: 10.19515/j.cnki.1003-1545.2019.06.004
Citation: SUN Jianjun, LIU Hanqiang, WANG Yongzhao, LEI Zhufang, LI Wenfu, CHEN Huidong. Influence of Oxygen Coefficient on the Microstructure and Hardness of Al2O3/Cu Powder[J]. Development and Application of Materials, 2019, 34(6): 15-20. DOI: 10.19515/j.cnki.1003-1545.2019.06.004

Influence of Oxygen Coefficient on the Microstructure and Hardness of Al2O3/Cu Powder

  • The microstructures and hardnesses of Al2O3/Cu powders prepared by different oxygen coefficients have been researched. The results show that the reverse diffusion of the aluminum atom is significant at low oxygen coefficient, and the reverse diffusion of the aluminum atom is effectively controlled at high oxygen coefficient. Compared with the oxygen coefficients of 0.6X and X, when the oxygen coefficient is 1.5X, aluminum atom is uniformly distributed in the Al2O3/Cu powder, and the Al2O3/Cu powder has the highest average microhardness.
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