Investigation and modelling of theplasticity-induced martensite formation in metastable austenites
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Marek Smaga
, Frank Walther and Dietmar Eifler
Abstract
Mechanical stress–strain hysteresis, temperature and magnetic measurements were performed for the detailed characterisation of the cyclic deformation behaviour of metastable austenitic steels with particular attention to plasticity-induced martensite formation. Specimens of AISI 304, AISI 321 and AISI 348 stainless steels were investigated under plastic strain control at ambient temperature. On the basis of comprehensive experimental data, a model was developed for the description of the plasticity-induced martensite formation in metastable austenites under cyclic loading. The process of martensite formation was described as a function of the cumulative plastic strain and the cumulative strain energy density.
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Articles in the same Issue
- Contents
- Contents
- Basic
- Microcracks in superalloys: From local in-situ measurements to lifetime prediction
- Residual stress development due to thermal cycling of the particle-reinforced alloy EN AW-6061– experiment and simulation
- Analysis of defect configurations with positron lifetime measurements by pulsed low energy beams
- The nature of the TRIP-effect in metastable austenitic steels
- Investigation and modelling of theplasticity-induced martensite formation in metastable austenites
- Thermal relaxation of residual stresses in TiN films deposited by arc ion plating
- On the Hall–Petch relation between flow stress and grain size
- Polymer-derived Si–C–N ceramics reinforced by single-wall carbon nanotubes
- Applied
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- Experimental observations on thecorrelation between microstructure andfracture of multiphase steels
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- DGM News
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