Fatigue cracking of aluminium alloy AlZn6Mg0.8Zr subjected to thermomechanical treatment

The paper presents the results of experimental test of the fatigue of aluminium alloy type AlZn6Mg0,8Zr exposed to various low temperature thermomechanical treatment. Basquin’s characteristics of fatigue have been determined in mechanical test on smooth specimens at a simple state of loading in cond...

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Main Authors: A. Kowalski, W. Ozgowicz, M. Kurek, A. Kurek, T. Lagoda
Format: Article
Language:English
Published: Gruppo Italiano Frattura 2015-12-01
Series:Fracture and Structural Integrity
Subjects:
Online Access:https://www.fracturae.com/index.php/fis/article/view/1676
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author A. Kowalski
W. Ozgowicz
M. Kurek
A. Kurek
T. Lagoda
author_facet A. Kowalski
W. Ozgowicz
M. Kurek
A. Kurek
T. Lagoda
author_sort A. Kowalski
collection DOAJ
description The paper presents the results of experimental test of the fatigue of aluminium alloy type AlZn6Mg0,8Zr exposed to various low temperature thermomechanical treatment. Basquin’s characteristics of fatigue have been determined in mechanical test on smooth specimens at a simple state of loading in conditions of alternating bending. The tests were carried out on a fatigue test stand constructed by the authors – MZGS 100. The development of fatigue cracking has been described based on metallographic and fractographic investigations of the fractured samples making use of a scanning electron microscope (SEM). The results of qualitative microfractography of the tested samples in the low-cycle temporal range of fatigue strength revealed fractures of the transcrystalline quasi-cleavage type. It has also been found that local effects of intercrystalline brittle cracking of this type do occur.
format Article
id doaj-art-1823146281324aa0881b3192ced886b5
institution Kabale University
issn 1971-8993
language English
publishDate 2015-12-01
publisher Gruppo Italiano Frattura
record_format Article
series Fracture and Structural Integrity
spelling doaj-art-1823146281324aa0881b3192ced886b52025-01-03T00:39:48ZengGruppo Italiano FratturaFracture and Structural Integrity1971-89932015-12-011035Fatigue cracking of aluminium alloy AlZn6Mg0.8Zr subjected to thermomechanical treatmentA. KowalskiW. OzgowiczM. KurekA. KurekT. LagodaThe paper presents the results of experimental test of the fatigue of aluminium alloy type AlZn6Mg0,8Zr exposed to various low temperature thermomechanical treatment. Basquin’s characteristics of fatigue have been determined in mechanical test on smooth specimens at a simple state of loading in conditions of alternating bending. The tests were carried out on a fatigue test stand constructed by the authors – MZGS 100. The development of fatigue cracking has been described based on metallographic and fractographic investigations of the fractured samples making use of a scanning electron microscope (SEM). The results of qualitative microfractography of the tested samples in the low-cycle temporal range of fatigue strength revealed fractures of the transcrystalline quasi-cleavage type. It has also been found that local effects of intercrystalline brittle cracking of this type do occur.https://www.fracturae.com/index.php/fis/article/view/1676Aluminium alloyThermomechanical treatmentFatigue crackingSEM
spellingShingle A. Kowalski
W. Ozgowicz
M. Kurek
A. Kurek
T. Lagoda
Fatigue cracking of aluminium alloy AlZn6Mg0.8Zr subjected to thermomechanical treatment
Fracture and Structural Integrity
Aluminium alloy
Thermomechanical treatment
Fatigue cracking
SEM
title Fatigue cracking of aluminium alloy AlZn6Mg0.8Zr subjected to thermomechanical treatment
title_full Fatigue cracking of aluminium alloy AlZn6Mg0.8Zr subjected to thermomechanical treatment
title_fullStr Fatigue cracking of aluminium alloy AlZn6Mg0.8Zr subjected to thermomechanical treatment
title_full_unstemmed Fatigue cracking of aluminium alloy AlZn6Mg0.8Zr subjected to thermomechanical treatment
title_short Fatigue cracking of aluminium alloy AlZn6Mg0.8Zr subjected to thermomechanical treatment
title_sort fatigue cracking of aluminium alloy alzn6mg0 8zr subjected to thermomechanical treatment
topic Aluminium alloy
Thermomechanical treatment
Fatigue cracking
SEM
url https://www.fracturae.com/index.php/fis/article/view/1676
work_keys_str_mv AT akowalski fatiguecrackingofaluminiumalloyalzn6mg08zrsubjectedtothermomechanicaltreatment
AT wozgowicz fatiguecrackingofaluminiumalloyalzn6mg08zrsubjectedtothermomechanicaltreatment
AT mkurek fatiguecrackingofaluminiumalloyalzn6mg08zrsubjectedtothermomechanicaltreatment
AT akurek fatiguecrackingofaluminiumalloyalzn6mg08zrsubjectedtothermomechanicaltreatment
AT tlagoda fatiguecrackingofaluminiumalloyalzn6mg08zrsubjectedtothermomechanicaltreatment