Abstract
Ti-Mo alloys with various Si alloying additions were prepared by reaction synthesis with Ti powders, Mo powders and Si powders as raw materials. The effect of Si alloying on the microstructure, phase composition and oxidation resistance at 873 K and 973 K was investigated. The results show that the porosity of all the alloys was less than 0.4% and that the oxidation resistance was influenced by the Si content. The Ti-18Mo alloy exhibited a thinner oxidized layer thickness and lower average oxidation rate than the alloys with Si when they were oxidized at 873 K. The oxidized layer thickness and average oxidation rate of the alloys with Si oxidized at 873 K and 973 K increased with increasing Si content. However, the Ti-18Mo alloy oxidized at 973 K with a thin oxidized layer had a larger average oxidation rate than that of the other alloys.
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Acknowledgements
The authors acknowledge the financial support of Natural Science Foundation of Jiangsu Province (No. BK20181448), National Natural Science Foundation of China (No. 51801073), Natural Science Research of Jiangsu Higher Education Institutions of China (No. 17KJB430009) and Senior Talent Foundation of Jiangsu University (No. 15JDG150).
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Ru, J., Wang, Y., Zhou, Y. et al. Effect of Si on the Microstructure and Oxidation Resistance of Ti-Mo Alloys. JOM 72, 354–360 (2020). https://doi.org/10.1007/s11837-019-03495-8
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DOI: https://doi.org/10.1007/s11837-019-03495-8