Conclusions
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1.
This work confirmed the existence of two types of phenomena leading to 475° brittleness-ordering, which occurs in the first hour, and the decomposition of ferrite during further holding at this temperature.
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2.
The original codition of the alloy affects the embrittlement process. The increase of the diffusion mobility of atoms during strain hardening accelerates the embrittlement process.
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Additional information
Urals Polytechnical Institute. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 5, pp. 59–60, May, 1971.
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Bogachev, I.N., Papina, N.V. The nature of 475° brittleness of high-chromium steels. Met Sci Heat Treat 13, 415–416 (1971). https://doi.org/10.1007/BF00652453
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DOI: https://doi.org/10.1007/BF00652453