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Constitutive relationships for hot deformation of austenite

Autor
Mirzadeh, H.; Cabrera, J.; Najafizadeh, A.
Tipus d'activitat
Article en revista
Revista
Acta materialia
Data de publicació
2011-09
Volum
59
Número
16
Pàgina inicial
6441
Pàgina final
6448
DOI
https://doi.org/10.1016/j.actamat.2011.07.008 Obrir en finestra nova
Repositori
http://hdl.handle.net/2117/13549 Obrir en finestra nova
URL
http://journals2.scholarsportal.info/details.xqy?uri=/13596454/v59i0016/6441_crfhdoa.xml Obrir en finestra nova
Resum
Constitutive equations were used to derive the flow stress of a 17–4 PH stainless steel during hot compression testing. Two general methods were used: (i) a conventional method of finding apparent materials constants; and (ii) a physically based approach which accounts for the dependence of the Young’s modulus and the self-diffusion coefficient of austenite on temperature. Both methods were critically discussed and some modifications and easy-to-apply methods were also introduced. The second...
Citació
Mirzadeh, H.; Cabrera, J.; Najafizadeh, A. Constitutive relationships for hot deformation of austenite. "Acta materialia", Setembre 2011, vol. 59, núm. 16, p. 6441-6448.
Grup de recerca
PROCOMAME - Processos de Conformació de Materials Metàl·lics

Participants