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Plasma Surface Metallurgy of Intermetallic Compounds

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Abstract

TiAl and Ti2AlNb as typical intermetallic compounds have better specific strength and high temperature strength than the nickel based alloys. They are the ideal high temperature structural materials in the aerospace industry. But the practical applications of intermetallic compounds are limited due to their poor wear and high temperature oxidation resistance. In this chapter, it is presented that the double glow discharge plasma surface alloying treatment with Nb, Mo, Cr and Ni–Cr–Mo–Nb has been applied to TiAl and Ti2AlNb alloys for improving their properties. The results show that after surface alloying treatments, the wear resistance of the two materials increases, and the high temperature oxidation resistance of TiAl alloy is also greatly improved as well.

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Authors and Affiliations

  1. Taiyuan University of Technology, Taiyuan, Shanxi, China

    Zhong Xu

  2. Heaptech Engineering, Inc., San Jose, CA, USA

    Frank F. Xiong

Authors
  1. Zhong Xu
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  2. Frank F. Xiong
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Correspondence to Zhong Xu .

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© 2017 Science Press, Beijing and Springer Nature Singapore Pte Ltd.

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Xu, Z., Xiong, F.F. (2017). Plasma Surface Metallurgy of Intermetallic Compounds. In: Plasma Surface Metallurgy. Springer, Singapore. https://doi.org/10.1007/978-981-10-5724-3_9

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