On the austenite stability of a new quality of twinning induced plasticity steel, exploring new ranges of Mn and C

Rafael A. Mesquita; Reinhold Schneider; Katharina Steineder; Ludovic Samek; Enno Arenholz

doi:10.1007/s11661-013-1741-8

On the austenite stability of a new quality of twinning induced plasticity steel, exploring new ranges of Mn and C

Rafael A. Mesquita
, Reinhold Schneider
, Katharina Steineder
, Ludovic Samek
, Enno Arenholz

Research Center Wels

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

19 Citations (Scopus)

Abstract

A new high-manganese, low-silicon TWIP steel was studied to evaluate austenite stability after different heat treatment conditions. To determine the phase transformations, dilatometric experiments were performed, the microstructure was characterized by light optical microscopy, X-ray diffraction, transmission electron microscopy. Precipitation of lamellar cementite was observed in the microstructure for extended treatment times at 823 K (550°C). Long isothermal holding at this temperature also caused epsilon martensite formation during cooling, resulting from a decrease in austenite stability due to carbon depletion in the matrix when a quantifiable amount of cementite is formed.

Original language	English
Pages (from-to)	4015-4019
Number of pages	5
Journal	Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
Volume	44
Issue number	9
DOIs	https://doi.org/10.1007/s11661-013-1741-8
Publication status	Published - Sept 2013

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title = "On the austenite stability of a new quality of twinning induced plasticity steel, exploring new ranges of Mn and C",

abstract = "A new high-manganese, low-silicon TWIP steel was studied to evaluate austenite stability after different heat treatment conditions. To determine the phase transformations, dilatometric experiments were performed, the microstructure was characterized by light optical microscopy, X-ray diffraction, transmission electron microscopy. Precipitation of lamellar cementite was observed in the microstructure for extended treatment times at 823 K (550°C). Long isothermal holding at this temperature also caused epsilon martensite formation during cooling, resulting from a decrease in austenite stability due to carbon depletion in the matrix when a quantifiable amount of cementite is formed.",

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On the austenite stability of a new quality of twinning induced plasticity steel, exploring new ranges of Mn and C. / Mesquita, Rafael A.; Schneider, Reinhold; Steineder, Katharina et al.
In: Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science, Vol. 44, No. 9, 09.2013, p. 4015-4019.

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

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AU - Mesquita, Rafael A.

AU - Schneider, Reinhold

AU - Steineder, Katharina

AU - Samek, Ludovic

AU - Arenholz, Enno

PY - 2013/9

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

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On the austenite stability of a new quality of twinning induced plasticity steel, exploring new ranges of Mn and C

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