Detail publikace

Microstructure and mechanical properties of ultrafine-grained magnesium AZ91 alloy

FINTOVÁ, S. PANTĚLEJEV, L. KUNZ, L.

Originální název

Microstructure and mechanical properties of ultrafine-grained magnesium AZ91 alloy

Typ

článek ve sborníku ve WoS nebo Scopus

Jazyk

angličtina

Originální abstrakt

Microstructure, mechanical properties, cyclic plastic deformation behavior and fatigue strength of ultrafine-grained (UFG) magnesium alloy AZ91 processed by equal channel angular pressing (ECAP) were investigated. ECAP of originally cast alloy results in development of bimodal structure, improved yield stress, tensile strength and ductility when compared to the as-cast state. Endurance limit based on 107 cycles is also improved, however exhibits large scatter. Initiation of fatigue cracks takes place in regions of large grains in the bimodal structure, where the content of Mg17Al12 particles is low.

Klíčová slova

AZ91, ECAP, microstructure, mechanical properties, cyclic plastic deformation, fatigue crack initiation

Autoři

FINTOVÁ, S.; PANTĚLEJEV, L.; KUNZ, L.

Rok RIV

2014

Vydáno

9. 4. 2014

Nakladatel

Thomas Wohlbier, TTP USA

Místo

Switzerland

ISBN

9783038350729

Kniha

Metallography XV

ISSN

0255-5476

Periodikum

Materials Science Forum

Ročník

782

Číslo

1

Stát

Švýcarská konfederace

Strany od

384

Strany do

389

Strany počet

6

BibTex

@inproceedings{BUT106214,
  author="Stanislava {Fintová} and Libor {Pantělejev} and Ludvík {Kunz}",
  title="Microstructure and mechanical properties of ultrafine-grained magnesium AZ91 alloy",
  booktitle="Metallography XV",
  year="2014",
  journal="Materials Science Forum",
  volume="782",
  number="1",
  pages="384--389",
  publisher="Thomas Wohlbier, TTP USA",
  address="Switzerland",
  doi="10.4028/www.scientific.net/MSF.782.384",
  isbn="9783038350729",
  issn="0255-5476"
}