Cryogenic mechanical properties of superalloy MP35N |
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| Authors: | B. Fultz A. DuBois H.J. Kim J.W. Morris Jr |
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| Affiliation: | 1. Materials and Molecular Research Division of the Lawrence Berkeley Laboratory USA;2. Metallurgy in the Department of Materials Science and Mineral Engineering of the University of California, Berkeley USA;3. Earth Sciences Division of the Lawrence Berkeley Laboratory, Berkeley, CA 94720. USA;4. Korean Welding Research Institute, Ulsan Korea |
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| Abstract: | Measurements of tensile properties, fracture toughness, and creep properties of the superalloy MP35N at 77 K and 4 K are reported. The 0.2% yield strength of MP35N at 4 K can be increased to over 2 GPa after a small amount of plastic deformation. Although it is expensive and somewhat notch-sensitive, MP35N could be attractive as a structural material when extremely high strength and corrosion resistance are required. |
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| Keywords: | cryogenics mechanical properties superalloys MP35N |
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