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Chinese Materials Conference

CMC 2018: Physics and Engineering of Metallic Materials pp 377–382Cite as

Influence of Mo Content on the Microstructure Stability and Stress Rupture Properties of a Single Crystal Superalloy

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Abstract

The single crystal superalloy with 1 and 3% Mo was prepared using the high vacuum induction melting furnace. The effect of Mo content on the structural stability and endurance properties of the alloy was studied. The results showed that the γ′ precipitate size reduced and turned uniform and the cube form became regular with increasing Mo content. The γ′ directional rafting and topologically close-packed phase precipitation appeared in the 1 and 3% Mo alloy after aged for 1000 h at 1100 °C. The volume fraction of topologically close-packed phase significantly enhanced with rise of Mo percentage. The stress rupture properties at 1100 °C/140 MPa of the alloy depredated with rise of Mo percentage.

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Authors and Affiliations

  1. Science and Technology on Advanced High Temperature Structural Materials Laboratory, Beijing Institute of Aeronautical Materials, Beijing, 100095, China

    Z. X. Shi, S. Z. Liu, X. G. Wang & J. R. Li

Authors
  1. Z. X. Shi
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  2. S. Z. Liu
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  3. X. G. Wang
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  4. J. R. Li
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Corresponding author

Correspondence to Z. X. Shi .

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Editors and Affiliations

  1. Chinese Materials Research Society, Beijing, China

    Yafang Han

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Shi, Z.X., Liu, S.Z., Wang, X.G., Li, J.R. (2019). Influence of Mo Content on the Microstructure Stability and Stress Rupture Properties of a Single Crystal Superalloy. In: Han, Y. (eds) Physics and Engineering of Metallic Materials. CMC 2018. Springer Proceedings in Physics, vol 217. Springer, Singapore. https://doi.org/10.1007/978-981-13-5944-6_37

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  • DOI: https://doi.org/10.1007/978-981-13-5944-6_37

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-13-5943-9

  • Online ISBN: 978-981-13-5944-6

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