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HomeSolid State PhenomenaSolid State Phenomena Vol. 265Phase Transformations in Novel Medium Carbon High...

Phase Transformations in Novel Medium Carbon High Hardenability Steels

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Abstract:

Novel steels with high hardenability were proposed to replace the conventional HY-TUF steels for the large parts manufacturing. The chemical composition of the steels under consideration was, mass. %: C – 0.16...0.18; Cr – 2.35...2.55; Mn – 0.67...1.99; Si – 0.76...1.03; Ni – 1.17...2.31; Mo – 0.34...0.47; S. P < 0.025. The dilatometer experiments revealed that during the continuous cooling of the steels with the constant rates 0.1... 30 °C/s only martensite and bainite transformations occurred. for conventional HY-TUF steel ferrite and pearlite formed after cooling with the rates 0.1...0.3 °C/s.

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Materials Engineering and Technologies for Production and Processing III

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Periodical:

Solid State Phenomena (Volume 265)

Pages:

717-722

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.265.717

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Online since:

September 2017

Authors:

Mikhail V. Maisuradze*, Maxim A. Ryzhkov, O. Surnaeva

Keywords:

Bainite, CCT Diagram, Dilatometer Study, Heat Treatment, Martensite, Microstructure, Steel

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© 2017 Trans Tech Publications Ltd. All Rights Reserved

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