Transformation of the Structure of Refractory Alloy 0.45C – 26Cr – 33Ni – 2Si – 2Nb During a Long-Term High-Temperature Hold

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作者
A. I. Rudskoy
S. Yu. Kondrat’ev
G. P. Anastasiadi
A. S. Oryshchenko
M. D. Fuks
S. N. Petrov
机构
[1] St. Petersburg State Polytechnic University,
[2] Central Research Institute of Structural Materials “Prometey” (CRISM “Prometey”),undefined
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cast refractory alloys; microstructure; phase composition; diffusion in alloys; structural stability; kinetics of phase transformations;
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摘要
The continuous variation of structure and the kinetics of dissolution of the initial phases with formation and dissolution of intermediate phases at the temperature of long-term operation of cast refractory alloy 0.45C – 26Cr – 33Ni – 2Si – 2Nb are studied. The behavior and succession of phase transformations in Fe – Cr – Ni-base alloys at a temperature of 0.85 – 0.90 of their solidus, including the case of the action of external load, is determined. The effect of high-temperature transformations of structure on the operating properties of the alloy is estimated.
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页码:517 / 525
页数:8
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