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Abstract

Martensite transformation comprises two steps: In the first, martensite midribs propagate resulting in a network of midrib planes. In the second, this midrib network thickens and the final microstructure is obtained. Based on this concept, a new relationship between the volume fraction and the number density of martensite units is derived in this paper. The model proposed here describes quite well a wide range of experimental data on a thermal and isothermal martensite.

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Acknowledgments

Special thanks is due to Professor H. Goldenstein of the University of São Paulo for his assistance with the bibliography. P. R. Rios is grateful to the Conselho Nacional de Desenvolvimento Científico e Tecnológico, CNPq, and to the Fundação de Amparo à Pesquisa do Estado do Rio de Janeiro, FAPERJ, for financial support.

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Correspondence to P. R. Rios.

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Manuscript submitted March 2, 2012.

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Guimarães, J.R.C., Rios, P.R. Microstructural Analysis of the Martensite Volume Fraction. Metall Mater Trans A 44, 147–151 (2013). https://doi.org/10.1007/s11661-012-1506-9

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  • DOI: https://doi.org/10.1007/s11661-012-1506-9

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