The Influence of Conventional or KOBO Extrusion Process on the Properties of AZ91 (MgAl9Zn1) Alloy

Designers’ efforts to use the lightest possible materials with very good mechanical properties mean that in recent years magnesium alloys have been increasingly used. It is well-known that the use of various plastic working processes allows achieving even better strength properties of the material,...

Descripción completa

Guardado en:
Detalles Bibliográficos
Autores principales: Piotr Długosz, Włodzimierz Bochniak, Paweł Ostachowski, Rafał Molak, Martin Duarte Guigou, Marek Hebda
Formato: article
Lenguaje:EN
Publicado: MDPI AG 2021
Materias:
T
Acceso en línea:https://doaj.org/article/aef1f971ffc3483f912d9028d3899aaa
Etiquetas: Agregar Etiqueta
Sin Etiquetas, Sea el primero en etiquetar este registro!
id oai:doaj.org-article:aef1f971ffc3483f912d9028d3899aaa
record_format dspace
spelling oai:doaj.org-article:aef1f971ffc3483f912d9028d3899aaa2021-11-11T18:07:20ZThe Influence of Conventional or KOBO Extrusion Process on the Properties of AZ91 (MgAl9Zn1) Alloy10.3390/ma142165431996-1944https://doaj.org/article/aef1f971ffc3483f912d9028d3899aaa2021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1944/14/21/6543https://doaj.org/toc/1996-1944Designers’ efforts to use the lightest possible materials with very good mechanical properties mean that in recent years magnesium alloys have been increasingly used. It is well-known that the use of various plastic working processes allows achieving even better strength properties of the material, often without significant loss of plastic properties in relation to the properties of products obtained in the casting process. The article presents the results of research on microstructural changes and mechanical properties of the alloy AZ91 (MgAl9Zn1) occurring in samples subjected to conventional plastic deformation and the KOBO method. The obtained results were compared to the properties of reference samples, i.e., cast samples. The article presents the advantage of using the low-temperature KOBO method compared to the high-temperature deformation in a conventional manner. Moreover, it has been shown that the use of KOBO extrusion allows the alloy AZ91 (MgAl9Zn1) to obtain superplasticity properties with an elongation of up to 577% compared to the cast reference sample, which is generally classified as difficult for plastic deformation.Piotr DługoszWłodzimierz BochniakPaweł OstachowskiRafał MolakMartin Duarte GuigouMarek HebdaMDPI AGarticlemagnesium alloysKOBO methodsuperplasticitymicrostructuremechanical propertiesTechnologyTElectrical engineering. Electronics. Nuclear engineeringTK1-9971Engineering (General). Civil engineering (General)TA1-2040MicroscopyQH201-278.5Descriptive and experimental mechanicsQC120-168.85ENMaterials, Vol 14, Iss 6543, p 6543 (2021)
institution DOAJ
collection DOAJ
language EN
topic magnesium alloys
KOBO method
superplasticity
microstructure
mechanical properties
Technology
T
Electrical engineering. Electronics. Nuclear engineering
TK1-9971
Engineering (General). Civil engineering (General)
TA1-2040
Microscopy
QH201-278.5
Descriptive and experimental mechanics
QC120-168.85
spellingShingle magnesium alloys
KOBO method
superplasticity
microstructure
mechanical properties
Technology
T
Electrical engineering. Electronics. Nuclear engineering
TK1-9971
Engineering (General). Civil engineering (General)
TA1-2040
Microscopy
QH201-278.5
Descriptive and experimental mechanics
QC120-168.85
Piotr Długosz
Włodzimierz Bochniak
Paweł Ostachowski
Rafał Molak
Martin Duarte Guigou
Marek Hebda
The Influence of Conventional or KOBO Extrusion Process on the Properties of AZ91 (MgAl9Zn1) Alloy
description Designers’ efforts to use the lightest possible materials with very good mechanical properties mean that in recent years magnesium alloys have been increasingly used. It is well-known that the use of various plastic working processes allows achieving even better strength properties of the material, often without significant loss of plastic properties in relation to the properties of products obtained in the casting process. The article presents the results of research on microstructural changes and mechanical properties of the alloy AZ91 (MgAl9Zn1) occurring in samples subjected to conventional plastic deformation and the KOBO method. The obtained results were compared to the properties of reference samples, i.e., cast samples. The article presents the advantage of using the low-temperature KOBO method compared to the high-temperature deformation in a conventional manner. Moreover, it has been shown that the use of KOBO extrusion allows the alloy AZ91 (MgAl9Zn1) to obtain superplasticity properties with an elongation of up to 577% compared to the cast reference sample, which is generally classified as difficult for plastic deformation.
format article
author Piotr Długosz
Włodzimierz Bochniak
Paweł Ostachowski
Rafał Molak
Martin Duarte Guigou
Marek Hebda
author_facet Piotr Długosz
Włodzimierz Bochniak
Paweł Ostachowski
Rafał Molak
Martin Duarte Guigou
Marek Hebda
author_sort Piotr Długosz
title The Influence of Conventional or KOBO Extrusion Process on the Properties of AZ91 (MgAl9Zn1) Alloy
title_short The Influence of Conventional or KOBO Extrusion Process on the Properties of AZ91 (MgAl9Zn1) Alloy
title_full The Influence of Conventional or KOBO Extrusion Process on the Properties of AZ91 (MgAl9Zn1) Alloy
title_fullStr The Influence of Conventional or KOBO Extrusion Process on the Properties of AZ91 (MgAl9Zn1) Alloy
title_full_unstemmed The Influence of Conventional or KOBO Extrusion Process on the Properties of AZ91 (MgAl9Zn1) Alloy
title_sort influence of conventional or kobo extrusion process on the properties of az91 (mgal9zn1) alloy
publisher MDPI AG
publishDate 2021
url https://doaj.org/article/aef1f971ffc3483f912d9028d3899aaa
work_keys_str_mv AT piotrdługosz theinfluenceofconventionalorkoboextrusionprocessonthepropertiesofaz91mgal9zn1alloy
AT włodzimierzbochniak theinfluenceofconventionalorkoboextrusionprocessonthepropertiesofaz91mgal9zn1alloy
AT pawełostachowski theinfluenceofconventionalorkoboextrusionprocessonthepropertiesofaz91mgal9zn1alloy
AT rafałmolak theinfluenceofconventionalorkoboextrusionprocessonthepropertiesofaz91mgal9zn1alloy
AT martinduarteguigou theinfluenceofconventionalorkoboextrusionprocessonthepropertiesofaz91mgal9zn1alloy
AT marekhebda theinfluenceofconventionalorkoboextrusionprocessonthepropertiesofaz91mgal9zn1alloy
AT piotrdługosz influenceofconventionalorkoboextrusionprocessonthepropertiesofaz91mgal9zn1alloy
AT włodzimierzbochniak influenceofconventionalorkoboextrusionprocessonthepropertiesofaz91mgal9zn1alloy
AT pawełostachowski influenceofconventionalorkoboextrusionprocessonthepropertiesofaz91mgal9zn1alloy
AT rafałmolak influenceofconventionalorkoboextrusionprocessonthepropertiesofaz91mgal9zn1alloy
AT martinduarteguigou influenceofconventionalorkoboextrusionprocessonthepropertiesofaz91mgal9zn1alloy
AT marekhebda influenceofconventionalorkoboextrusionprocessonthepropertiesofaz91mgal9zn1alloy
_version_ 1718431962492829696