Room-Temperature Quenching and Partitioning Steel

B. B. He; L. Liu; M. X. Huang

doi:10.1007/s11661-018-4718-9

Room-Temperature Quenching and Partitioning Steel

B. B. He
, L. Liu
, M. X. Huang^*

^*Corresponding author for this work

The University of Hong Kong

Research output: Contribution to journal › Article › peer-review

46 Scopus citations

Abstract

The current study proposes a room-temperature quenching and partitioning (RT-Q&P) process to design new steels with an ultrahigh tensile strength (1.3 ~ 1.5 GPa) and a large total elongation (19 ~ 3 pct). This steel has a dual-phase microstructure with metastable austenite grains embedded in the martensite matrix. The martensitic transformation in retained austenite grains can not only provide the transformation-induced plasticity effect but also enable the strain gradient plasticity, enhancing the work hardening behavior of present steel.

Original language	English
Pages (from-to)	3167-3172
Number of pages	6
Journal	Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
Volume	49
Issue number	8
DOIs	https://doi.org/10.1007/s11661-018-4718-9
State	Published - 1 Aug 2018
Externally published	Yes

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title = "Room-Temperature Quenching and Partitioning Steel",

abstract = "The current study proposes a room-temperature quenching and partitioning (RT-Q\&P) process to design new steels with an ultrahigh tensile strength (1.3 \textasciitilde{} 1.5 GPa) and a large total elongation (19 \textasciitilde{} 3 pct). This steel has a dual-phase microstructure with metastable austenite grains embedded in the martensite matrix. The martensitic transformation in retained austenite grains can not only provide the transformation-induced plasticity effect but also enable the strain gradient plasticity, enhancing the work hardening behavior of present steel.",

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AU - He, B. B.

AU - Liu, L.

AU - Huang, M. X.

PY - 2018/8/1

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N2 - The current study proposes a room-temperature quenching and partitioning (RT-Q&P) process to design new steels with an ultrahigh tensile strength (1.3 ~ 1.5 GPa) and a large total elongation (19 ~ 3 pct). This steel has a dual-phase microstructure with metastable austenite grains embedded in the martensite matrix. The martensitic transformation in retained austenite grains can not only provide the transformation-induced plasticity effect but also enable the strain gradient plasticity, enhancing the work hardening behavior of present steel.

AB - The current study proposes a room-temperature quenching and partitioning (RT-Q&P) process to design new steels with an ultrahigh tensile strength (1.3 ~ 1.5 GPa) and a large total elongation (19 ~ 3 pct). This steel has a dual-phase microstructure with metastable austenite grains embedded in the martensite matrix. The martensitic transformation in retained austenite grains can not only provide the transformation-induced plasticity effect but also enable the strain gradient plasticity, enhancing the work hardening behavior of present steel.

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DO - 10.1007/s11661-018-4718-9

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SN - 1073-5623

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JF - Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science

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ER -

Room-Temperature Quenching and Partitioning Steel

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