Experimental Investigations on the Quaternary Interdiffusion Coefficients, Young’s Modulus and Hardness in bcc Ti-Nb-Ta-Zr Quaternary Alloys
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Accurate interdiffusion coefficient, Young’s modulus and hardness are essential for precisely controlling the production of a homogeneous bio-metallic alloys with excellent properties. In this work, we utilized a combinational approach by combining the advanced diffusion multiple technique and the pragmatic numerical inverse method to efficiently determine the composition–dependent interdiffusion coefficient matrices in bcc quaternary Ti-Nb-Ta-Zr alloys at 1373 K. Moreover, the composition-dependent Young’s modulus and hardness of bcc Ti-Nb-Ta-Zr alloys were obtained by means of the nanoindentation technique.
Keywordsdiffusion multiple hardness interdiffusion coefficient pragmatic numerical inverse method Ti-Nb-Ta-Zr alloys Young’s modulus
The financial support from the National Natural Science Foundation for Youth of China (Grant No. 51701083) and the National Natural Science Foundation of China (Grant No. 51474239) is acknowledged. Weimin Chen acknowledges the financial support from the Guangdong Provincial Natural Science Foundation for Doctoral Research Project (Grant No. 2017A030310519), the Fundamental Research Funds for the Central Universities (Grant No. 21617340) and the Scientific Research Funds for the Talents the Innovation Foundation of Jinan University. Lijun Zhang acknowledges the Huxiang Youth Talent Plan released by Hunan Province, China.
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