In-situ investigation of strain-induced martensitic transformation kinetics in an austenitic stainless steel by inductive measurements

C. Alonso de Celada Casero; Harm Kooiker; Manso Groen; Jan Post; David San Martin

doi:10.3390/met7070271

In-situ investigation of strain-induced martensitic transformation kinetics in an austenitic stainless steel by inductive measurements

C. Alonso de Celada Casero, Harm Kooiker, Manso Groen, Jan Post, David San Martin

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Abstract

An inductive sensor developed by Philips ATC has been used to study in-situ the austenite (γ) to martensite (α′) phase transformation kinetics during tensile testing in an AISI 301 austenitic stainless steel. A correlation between the sensor output signal and the volume fraction of α′-martensite has been found by comparing the results to the ex-situ characterization by magnetization measurements, light optical microscopy, and X-ray diffraction. The sensor has allowed for the observation of the stepwise transformation behavior, a not-well-understood phenomena that takes place in large regions of the bulk material and that so far had only been observed by synchrotron X-ray diffraction.

Original language	English
Article number	271
Number of pages	15
Journal	Metals
Volume	7
Issue number	7
DOIs	https://doi.org/10.3390/met7070271
Publication status	Published - 2017

Keywords

Inductive measurements
Metastable austenite
Stainless steel
Strain-induced martensite
Transformation kinetics

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10.3390/met7070271

metals-07-00271-v2Final published version, 3.05 MBLicence: CC BY

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title = "In-situ investigation of strain-induced martensitic transformation kinetics in an austenitic stainless steel by inductive measurements",

abstract = "An inductive sensor developed by Philips ATC has been used to study in-situ the austenite (γ) to martensite (α′) phase transformation kinetics during tensile testing in an AISI 301 austenitic stainless steel. A correlation between the sensor output signal and the volume fraction of α′-martensite has been found by comparing the results to the ex-situ characterization by magnetization measurements, light optical microscopy, and X-ray diffraction. The sensor has allowed for the observation of the stepwise transformation behavior, a not-well-understood phenomena that takes place in large regions of the bulk material and that so far had only been observed by synchrotron X-ray diffraction.",

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AU - Alonso de Celada Casero, C.

AU - Kooiker, Harm

AU - Groen, Manso

AU - Post, Jan

AU - San Martin, David

PY - 2017

Y1 - 2017

N2 - An inductive sensor developed by Philips ATC has been used to study in-situ the austenite (γ) to martensite (α′) phase transformation kinetics during tensile testing in an AISI 301 austenitic stainless steel. A correlation between the sensor output signal and the volume fraction of α′-martensite has been found by comparing the results to the ex-situ characterization by magnetization measurements, light optical microscopy, and X-ray diffraction. The sensor has allowed for the observation of the stepwise transformation behavior, a not-well-understood phenomena that takes place in large regions of the bulk material and that so far had only been observed by synchrotron X-ray diffraction.

AB - An inductive sensor developed by Philips ATC has been used to study in-situ the austenite (γ) to martensite (α′) phase transformation kinetics during tensile testing in an AISI 301 austenitic stainless steel. A correlation between the sensor output signal and the volume fraction of α′-martensite has been found by comparing the results to the ex-situ characterization by magnetization measurements, light optical microscopy, and X-ray diffraction. The sensor has allowed for the observation of the stepwise transformation behavior, a not-well-understood phenomena that takes place in large regions of the bulk material and that so far had only been observed by synchrotron X-ray diffraction.

KW - Inductive measurements

KW - Metastable austenite

KW - Stainless steel

KW - Strain-induced martensite

KW - Transformation kinetics

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In-situ investigation of strain-induced martensitic transformation kinetics in an austenitic stainless steel by inductive measurements

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