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Interdiffusion and Atomic Mobilities in fcc Ni-Ti-Mo Alloys

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Abstract

Experimental diffusion data in fcc Ni-Ti-Mo alloys at 1373 and 1473K was measured by electronic-probe microanalysis and the interdiffusion coefficients have been determined using Whittle-Green method. The atomic mobilities of Ni, Ti and Mo in Ni-Ti-Mo alloys have been obtained through critically assessing the interdiffusion data with the DICTRA software. Comprehensive comparisons between calculated and experimental diffusion coefficients showed that the atomic mobilities obtained in this work could well reproduce the experimental data. And the validity of the diffusion mobilities was tested by simulating the concentration-distance profiles and diffusion paths in diffusion couples.

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Acknowledgments

This work was supported by the Guangdong Major Project of Basic and Applied Basic Research (No. 2020B0301030006), National Key R&D Program of China (Grant No. 2017YFB0702901), National Natural Science Foundation of China (Grant No. 51831007), and Natural Science Foundation of Fujian Province of China (2019J01033).

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Authors and Affiliations

  1. College of Materials and Fujian Provincial Key Laboratory of Materials Genome, Xiamen University, Xiamen, 361005, People’s Republic of China

    C. P. Wang, W. H. Zhang, X. Yu, Y. R. Cui, Y. Lu & X. J. Liu

  2. Institute of Materials Genome and Big Data, Harbin Institute of Technology, Shenzhen, 518055, People’s Republic of China

    L. K. Bao, D. X. Cheng & X. J. Liu

  3. Institute of New Materials, Guangdong Academy of Sciences, Guangzhou, 510650, People’s Republic of China

    K. H. Zheng

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Wang, C.P., Zhang, W.H., Yu, X. et al. Interdiffusion and Atomic Mobilities in fcc Ni-Ti-Mo Alloys. J. Phase Equilib. Diffus. 43, 345–354 (2022). https://doi.org/10.1007/s11669-022-00962-9

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  • DOI: https://doi.org/10.1007/s11669-022-00962-9

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