Strain-Induced Martensitic Transformation Kinetic in Austempered Ductile Iron (ADI)

X. H. Li; P. Saal; W. M. Gan; M. Hoelzel; W. Volk; W. Petry; M. Hofmann

doi:10.1007/s11661-017-4420-3

Strain-Induced Martensitic Transformation Kinetic in Austempered Ductile Iron (ADI)

X. H. Li, P. Saal, W. M. Gan, M. Hoelzel, W. Volk, W. Petry, M. Hofmann

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11 Scopus citations

Abstract

A model for the strain-induced martensitic transformation in austempered ductile iron (ADI) has been developed based on neutron diffraction studies. Quantitative phase analysis was carried out using the Rietveld method including texture analysis. The key parameters applied in this model that influence the strain-induced martensitic transformation are temperature, strain state, and loading type. An empirical relation was derived for the martensite start temperature M_s in austempered ductile iron, which takes into account the Ni and carbon content. The M_s temperature was used as a scaling parameter for the stability of austenite in the model to describe the strain-induced phase transformation in austempered ductile iron.

Original language	English
Pages (from-to)	94-104
Number of pages	11
Journal	Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
Volume	49
Issue number	1
DOIs	https://doi.org/10.1007/s11661-017-4420-3
State	Published - 1 Jan 2018

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abstract = "A model for the strain-induced martensitic transformation in austempered ductile iron (ADI) has been developed based on neutron diffraction studies. Quantitative phase analysis was carried out using the Rietveld method including texture analysis. The key parameters applied in this model that influence the strain-induced martensitic transformation are temperature, strain state, and loading type. An empirical relation was derived for the martensite start temperature Ms in austempered ductile iron, which takes into account the Ni and carbon content. The Ms temperature was used as a scaling parameter for the stability of austenite in the model to describe the strain-induced phase transformation in austempered ductile iron.",

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AU - Li, X. H.

AU - Saal, P.

AU - Gan, W. M.

AU - Hoelzel, M.

AU - Volk, W.

AU - Petry, W.

AU - Hofmann, M.

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Strain-Induced Martensitic Transformation Kinetic in Austempered Ductile Iron (ADI)

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