INFLUENCE OF STRAIN RATE ON STRAIN-INDUCED MARTENSITE IN A METASTABLE AUSTENITIC STEELReportar como inadecuado




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Abstract : A serie of experiments on strain-induced martensite in a metastable austenitic steel was performed at low strain rate and high strain rate over a temperature range of -90 to +200°C. The amount of α- martensite and ε martensite was measured by X-ray technique, and the substructure was examined by transmission electron microscopy. It was found that this transformation , i.e. γ → α- or γ → ε, respectively, was possible under predominantly compressive stress state. It means this transformation can take place during shock wave propagation.





Autor: J. Zeman J. Buchar S. Rolc

Fuente: https://hal.archives-ouvertes.fr/



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