Detail publikace

Experimentální hodnocení únavových vlastností tvářených Al slitin EN AW-6082 a EN AW-7075

MAZAL, P. LIŠKUTÍN, P.

Český název

Experimentální hodnocení únavových vlastností tvářených Al slitin EN AW-6082 a EN AW-7075

Anglický název

EXPERIMENTAL EVALUATION OF FATIGUE PROPERTIES OF WROUGHT Al ALLOYS EN AW-6082 AND EN AW-7075

Typ

článek ve sborníku ve WoS nebo Scopus

Jazyk

en

Originální abstrakt

The paper summarizes experimental results of measurements of basic fatigue properties of two aluminium alloys (EN AW-6082/T6 and EN AW-7075/T6) which were produced by technology of hot extrusion. Materials produced by this technology display a visible directionality of the structure in consequence of the used manufacturing and so varied mechanical characteristics in different directions should be supposed. Fractographic analysis of fatigue crack propagation characteristics implies significant local difference too. After processing of rather extensive set of experimental results (which were acquired mostly at bending type of fatigue loading), it is however possible to identify only nonsignificant influence of this structure directionality on position of S-N dependences at monitored aluminium alloys. Consequently the microstructural dissimilarities have no fundamental influence on fatigue properties in global look (at flexural loading).

Český abstrakt

V příspěvku jsou shromážděny výsledky experimentálních zkoušek mechanických vlastností (zejména únavových) tvářených hliníkových slitin EN AW-6082 a EN AW-7075. Pozornost je věnována i identifikaci počátku šíření únavové trhliny metodou akustické emise.

Anglický abstrakt

The paper summarizes experimental results of measurements of basic fatigue properties of two aluminium alloys (EN AW-6082/T6 and EN AW-7075/T6) which were produced by technology of hot extrusion. Materials produced by this technology display a visible directionality of the structure in consequence of the used manufacturing and so varied mechanical characteristics in different directions should be supposed. Fractographic analysis of fatigue crack propagation characteristics implies significant local difference too. After processing of rather extensive set of experimental results (which were acquired mostly at bending type of fatigue loading), it is however possible to identify only nonsignificant influence of this structure directionality on position of S-N dependences at monitored aluminium alloys. Consequently the microstructural dissimilarities have no fundamental influence on fatigue properties in global look (at flexural loading).

Klíčová slova česky

únava materiálu, trhlina, slitiny Al nedestruktivní testování, akustická emise

Klíčová slova anglicky

fatigue of material, crack, aluminium alloys, nondestructive testing, acoustic emission

Rok RIV

2010

Vydáno

01.09.2010

Nakladatel

Tanger, Ostrava

Místo

Rožnov pod Radhoštěm

ISBN

978-80-87294-17-8

Kniha

METAL 2010, 19th International Conference on metallurgy and Materials

Číslo edice

1

Strany od–do

669–674

Počet stran

6

BIBTEX


@inproceedings{BUT34695,
  author="Pavel {Mazal} and Petr {Liškutín},
  title="EXPERIMENTAL EVALUATION OF FATIGUE PROPERTIES OF WROUGHT Al ALLOYS EN AW-6082 AND EN AW-7075",
  booktitle="METAL 2010, 19th International Conference on metallurgy and Materials",
  year="2010",
  month="September",
  pages="669--674",
  publisher="Tanger, Ostrava",
  address="Rožnov pod Radhoštěm",
  isbn="978-80-87294-17-8"
}