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Published in: Metallurgical and Materials Transactions A 3/2009

01-03-2009

A Model for Converting Dilatometric Strain Measurements to the Fraction of Phase Formed during the Transformation of Austenite to Martensite in Powder Metallurgy Steels

Authors: Virendra S. Warke, Richard D. Sisson Jr., Makhlouf M. Makhlouf

Published in: Metallurgical and Materials Transactions A | Issue 3/2009

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Abstract

A model is developed to allow converting dilatometric strains that occur during the continuous cooling transformation (CCT) of austenite to martensite to volume fraction martensite formed in powder metallurgy steels. Unlike existing models, this model can accurately account for the observed decrease in the measured transformation strain with increased porosity. As a demonstration, the model is used to accurately calculate the volume fraction of martensite formed during the CCT of austenite to martensite in FL-4605 PM steel.

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Metadata
Title
A Model for Converting Dilatometric Strain Measurements to the Fraction of Phase Formed during the Transformation of Austenite to Martensite in Powder Metallurgy Steels
Authors
Virendra S. Warke
Richard D. Sisson Jr.
Makhlouf M. Makhlouf
Publication date
01-03-2009
Publisher
Springer US
Published in
Metallurgical and Materials Transactions A / Issue 3/2009
Print ISSN: 1073-5623
Electronic ISSN: 1543-1940
DOI
https://doi.org/10.1007/s11661-008-9727-7

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