Martensite Formation from Reverted Austenite at Sub-zero Celsius Temperature

Frank Nießen; Matteo Villa; Marcel A. J. Somers

doi:10.1007/s11661-018-4887-6

Martensite Formation from Reverted Austenite at Sub-zero Celsius Temperature

Frank Nießen^*, Matteo Villa, Marcel A. J. Somers

^*Corresponding author for this work

Research output: Contribution to journal › Journal article › Research › peer-review

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Abstract

Inter-critical annealing of soft martensitic stainless steel leads to formation of fine-grained reverted austenite, which is stabilized by partitioning of Ni. Generally it is reported that reverted austenite is not affected by immersion in cryogenic liquids, such as boiling N₂ and He. The present data show that reverted austenite that is apparently stable at boiling nitrogen temperature does transform isothermally to martensite during holding at 195 K. The results are explained in terms of thermally activated martensite formation.

Original language	English
Journal	Metallurgical and Materials Transactions A
Volume	49A
Issue number	11
Pages (from-to)	5241-5245
ISSN	1073-5623
DOIs	https://doi.org/10.1007/s11661-018-4887-6
Publication status	Published - 2018

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title = "Martensite Formation from Reverted Austenite at Sub-zero Celsius Temperature",

abstract = "Inter-critical annealing of soft martensitic stainless steel leads to formation of fine-grained reverted austenite, which is stabilized by partitioning of Ni. Generally it is reported that reverted austenite is not affected by immersion in cryogenic liquids, such as boiling N2 and He. The present data show that reverted austenite that is apparently stable at boiling nitrogen temperature does transform isothermally to martensite during holding at 195 K. The results are explained in terms of thermally activated martensite formation.",

author = "Frank Nie{\ss}en and Matteo Villa and Somers, {Marcel A. J.}",

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doi = "10.1007/s11661-018-4887-6",

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T1 - Martensite Formation from Reverted Austenite at Sub-zero Celsius Temperature

AU - Nießen, Frank

AU - Villa, Matteo

AU - Somers, Marcel A. J.

PY - 2018

Y1 - 2018

N2 - Inter-critical annealing of soft martensitic stainless steel leads to formation of fine-grained reverted austenite, which is stabilized by partitioning of Ni. Generally it is reported that reverted austenite is not affected by immersion in cryogenic liquids, such as boiling N2 and He. The present data show that reverted austenite that is apparently stable at boiling nitrogen temperature does transform isothermally to martensite during holding at 195 K. The results are explained in terms of thermally activated martensite formation.

AB - Inter-critical annealing of soft martensitic stainless steel leads to formation of fine-grained reverted austenite, which is stabilized by partitioning of Ni. Generally it is reported that reverted austenite is not affected by immersion in cryogenic liquids, such as boiling N2 and He. The present data show that reverted austenite that is apparently stable at boiling nitrogen temperature does transform isothermally to martensite during holding at 195 K. The results are explained in terms of thermally activated martensite formation.

U2 - 10.1007/s11661-018-4887-6

DO - 10.1007/s11661-018-4887-6

M3 - Journal article

VL - 49A

SP - 5241

EP - 5245

JO - Metallurgical and Materials Transactions A - Physical Metallurgy and Materials Science

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

SN - 1073-5623

IS - 11

ER -