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Strain-rate sensitive ductility in a low-alloy carbon steel after quenching and partitioning treatment.
Frint, Philipp; Kaiser, Till; Mehner, Thomas; Bruder, Enrico; Scholze, Mario; Masek, Bohuslav; Lampke, Thomas; Wagner, Martin F-X.
Afiliación
  • Frint P; Institute of Materials Science and Engineering, Chemnitz University of Technology, Erfenschlager Str. 73, 09125, Chemnitz, Germany. philipp.frint@mb.tu-chemnitz.de.
  • Kaiser T; Institute of Materials Science and Engineering, Chemnitz University of Technology, Erfenschlager Str. 73, 09125, Chemnitz, Germany.
  • Mehner T; Institute of Materials Science and Engineering, Chemnitz University of Technology, Erfenschlager Str. 73, 09125, Chemnitz, Germany.
  • Bruder E; Physical Metallurgy (PhM), TU Darmstadt, Alarich-Weiss-Str. 2, 64287, Darmstadt, Germany.
  • Scholze M; Institute of Materials Science and Engineering, Chemnitz University of Technology, Erfenschlager Str. 73, 09125, Chemnitz, Germany.
  • Masek B; Institute of Materials Science and Engineering, Chemnitz University of Technology, Erfenschlager Str. 73, 09125, Chemnitz, Germany.
  • Lampke T; Institute of Materials Science and Engineering, Chemnitz University of Technology, Erfenschlager Str. 73, 09125, Chemnitz, Germany.
  • Wagner MF; Institute of Materials Science and Engineering, Chemnitz University of Technology, Erfenschlager Str. 73, 09125, Chemnitz, Germany.
Sci Rep ; 9(1): 17023, 2019 Nov 19.
Article en En | MEDLINE | ID: mdl-31745209
We investigate an extraordinarily high ductility in a low alloy carbon steel at an elevated temperature after a quenching and partitioning (Q&P) treatment. The conventional (quenched and tempered) reference material does not show similar behavior. Interestingly, the Q&P treated material's ductility is considerably reduced at increasing strain rates while strength remains almost constant. These results indicate the presence of a diffusion-controlled deformation mechanism at elevated temperatures. Our research shows that interlath retained austenite is more stable during deformation at higher temperatures, resulting in a delayed transformation to martensite and therefore to a more pronounced contribution to plastic deformation at (and in the vicinity of) the many interfaces inherently present in this multi-phase steel.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Diagnostic_studies Idioma: En Revista: Sci Rep Año: 2019 Tipo del documento: Article País de afiliación: Alemania Pais de publicación: Reino Unido
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Diagnostic_studies Idioma: En Revista: Sci Rep Año: 2019 Tipo del documento: Article País de afiliación: Alemania Pais de publicación: Reino Unido