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Cyclic deformation behaviour and stability of grain-refined 301LN austenitic stainless structure

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081723%3A_____%2F18%3A00493642" target="_blank" >RIV/68081723:_____/18:00493642 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1051/matecconf/201816506005" target="_blank" >http://dx.doi.org/10.1051/matecconf/201816506005</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1051/matecconf/201816506005" target="_blank" >10.1051/matecconf/201816506005</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Cyclic deformation behaviour and stability of grain-refined 301LN austenitic stainless structure

  • Original language description

    Low cycle fatigue (LCF) behaviour of metastable austenitic 301LN stainless steel with different grain sizes - coarse-grained (13 μm), fine-grained (1.4 μm) and ultrafine-grained (0.6 μm) - produced by reversion annealing after prior cold rolling was investigated. Fully symmetrical LCF tests with constant total strain amplitudes of 0.5% and 0.6% were performed at room temperature with a low constant strain rate of 2×10-3 s-1. Microstructural changes in different positions within the gauge part of the specimens were examined by optical microscopy (polarized light) and electron backscatter diffraction (EBSD) technique, for quantitative assessment of the volume fraction of deformation induced martensite (DIM) a Feritscope FMP 30 was adopted. The cyclic stress-strain response and specific changes of hysteresis loop shapes in the very early stage of cycling are confronted with the character of DIM formation and its distribution in the whole volume of the material. A possible effect of strain rate (frequency of cycling) on the destabilization of austenitic structure during cyclic straining of materials with different grain sizes is highlighted.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    20306 - Audio engineering, reliability analysis

Result continuities

  • Project

    <a href="/en/project/GA13-32665S" target="_blank" >GA13-32665S: Fatigue damage mechanisms in ultrafine grained stainless steels</a><br>

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2018

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    MATEC Web of Conferences

  • ISBN

  • ISSN

    2261-236X

  • e-ISSN

  • Number of pages

    8

  • Pages from-to

    06005

  • Publisher name

    EDP Sciences

  • Place of publication

    Poitiers Futuroscope

  • Event location

    Poitiers Futuroscope

  • Event date

    May 27, 2018

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article

    000478990600054