Texture analysis of deformation induced martensite in an AISI 301L stainless steel: microtexture and macrotexture aspects
AUTOR(ES)
Abreu, Hamilton Ferreira Gomes de, Silva, Marcelo José Gomes da, Herculano, Luís Flávio Gaspar, Bhadeshia, Harry
FONTE
Materials Research
DATA DE PUBLICAÇÃO
2009-09
RESUMO
Experiments have been conducted to study the strain induced transformation from austenite to martensite in a metastable AISI 301LN austenitic stainless steel, deformed by uniaxial tension applied along rolling direction. Samples deformed 10 and 20% have shown the presence of α´ martensite phase. Measured pole figures of martensite phase were compared to calculated ones, assuming no variant selection and selection of variants where interaction between stress and the plate of martensite adds to the driving force transformation variants. EBSD (electron back scatter diffraction) microtexture experiments and macrotexture X-ray diffraction were performed. The orientation distribution functions (ODFs) from measured pole figure data were calculated. The measured results were compared with calculated results in both polycrystalline and single crystal samples of austenite. The results showed that the calculated textures based in a process of variant selection consistent with Patel and Cohen's theory, which emphasizes a mechanical component of free energy, were in good agreement with measured texture.
Documentos Relacionados
- Deformation induced martensite in an AISI 301LN stainless steel: characterization and influence on pitting corrosion resistance
- Fracture Modes of AISI Type 302 Stainless Steel Under Metastable Plastic Deformation
- Electrochemical Study of the AISI 409 Ferritic Stainless Steel: Passive Film Stability and Pitting Nucleation and Growth
- "Efeito da deformaÃÃo plÃstica no processo de seleÃÃo de variantes na transformaÃÃo martensÃtica no aÃo inoxidÃvel austenÃtico AISI 301L"
- Phase transformations in an AISI 410S stainless steel observed in directional and laser-induced cooling regimes