REVIEW PAPER |
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Research Progresses of Rhenium Effect in Nickel Based Superalloys |
Qingqing DING,Qian YU,Jixue LI,Ze ZHANG()
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Center of Electron Microscopy, Department of Materials Science and Engineering, Zhejiang University, Hangzhou 310027 |
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Abstract Nickel based single crystalline superalloys are irreplaceable materials for blades of aero-engines due to their superior mechanical properties and corrosion resistance at high temperature. A small amount of rhenium (Re) can significantly improve both temperature capability and mechanical properties of nickel superalloys which is referred to as “Re effect”. This paper briefly reviews research progresses on the distribution of Re in nickel superalloys, and the corresponding strengthening mechanisms. A discussion on the future researches and challenges on the study of “rhenium effect” are prospected.
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Published: 10 January 2018
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相比于多晶高温合金,定向凝固和单晶高温合金承温能力的提高程度[2]
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