Martensite-austenite transformation during dual-stage tempering and work-hardening characteristics of Mn–Ni–Mo steel

The reactor pressure vessel (RPV) in nuclear power plants is mainly made from Mn–Ni–Mo steel. After quenching, this steel's microstructure features martensite-austenite (M-A) islands. Tempering above 600 °C poses a challenge, as these islands can transform into harmful rod-like Fe3C precipitate...

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Bibliographic Details
Published in:	Journal of Materials Research and Technology
Main Authors:	Rahul Ranjan, Anil Meena
Format:	Article
Language:	English
Published:	Elsevier 2024-09-01
Subjects:	Martensite–austenite islands Dual-stage tempering Prior austenite grain size Rod-like Fe3C carbides Kocks-Mecking plot Tensile properties
Online Access:	http://www.sciencedirect.com/science/article/pii/S2238785424019513

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