LCF behaviour of 301LN steel: coarse-grained vs. UFG-bimodal structure

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081723%3A_____%2F17%3A00478103" target="_blank" >RIV/68081723:_____/17:00478103 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
LCF behaviour of 301LN steel: coarse-grained vs. UFG-bimodal structure
Original language description
Low-cycle fatigue (LCF) behaviour of metastable austenitic 301LN steel with different grain sizes – coarse-grained (14 µm) and UFG (1.4 µm) with a grain bimodality – produced by reversion annealing (RA) was investigated. Symmetrical push-pull LCF tests were conducted on flat sheet specimens at room temperature with constant strain rate of 2×10–3 s–1 and constant total strain amplitude ranging from 0.4% to 0.8%. After completion of fatigue tests a ferritescope was adopted for quantitative assessment of volume fraction of deformation induced martensite (DIM). Microstructural changes, distribution and morphology of DIM in the volume of material were characterized at different scales by colour etching, TEM and EBSD techniques. Experimental data on microstructural changes are confronted with the stress-strain response and with the chemical heterogeneity present in the material.
Czech name
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Czech description
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Project
<a href="/en/project/GA13-32665S" target="_blank" >GA13-32665S: Fatigue damage mechanisms in ultrafine grained stainless steels</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2017
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
LCF8 Eighth International Conference on Low Cycle Fatigue
ISBN
978-3-9814516-5-8
ISSN
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e-ISSN
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Number of pages
6
Pages from-to
205-210
Publisher name
DVM e.V.
Place of publication
Berlin
Event location
Dresden
Event date
Jun 27, 2017
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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