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Title:LCF behaviour of high strength aluminium alloys AA 6110A and AA 6086
Authors:ID Klemenc, Jernej (Author)
ID Glodež, Srečko (Author)
ID Steinacher, Matej (Author)
ID Zupanič, Franc (Author)
Files:URL http://dx.doi.org/10.1016/j.ijfatigue.2023.107971
 
URL https://www.sciencedirect.com/science/article/pii/S0142112323004723?via%3Dihub
 
Language:English
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Abstract:The proposed research presents the comprehensive investigation of the Low Cycle Fatigue (LCF) behaviour of two high-strength aluminium alloys of series AA 6xxx: the conventional alloy AA 6110A and the newly developed alloy AA 6086. Both alloys were characterised in the as-cast condition after homogenisation, extrusion, and T6 heat treatment. The quasi-static strength and hardness of the aluminium alloy AA 6086 were found to be significantly higher if compared to the AA 6110A alloys, while the ductility was a little bit smaller. The LCF tests showed that the AA 6086 alloy is more suitable for the high-cycle fatigue regime. On the other hand, the engineering advantage of the AA 6110A alloy is only for low-cycle fatigue applications if less than 100 loading cycles are expected in the service life of the analysed structure. The fatigue cracks formed predominantly on the α-AlMnSi intermetallic particles in both alloys, and, during LCF tests, exhibited small crack propagation. The area of the fatigue crack growth was much smaller than the area of the forced fracture. At smaller amplitude strains the fatigue striations were present at the fracture surface, while, at higher amplitude strains, they were not present. The obtained experimental results represent a good basis for engineering design applications of the analysed alloys AA 6086 and AA 6110A.
Keywords:aluminijeve zlitine, malociklično utrujanje, eksperimentalno testiranje, fraktografija, aluminium alloys, low cycle fatigue, experimental testing, fractography
Publication status:Published
Publication version:Version of Record
Submitted for review:04.08.2023
Article acceptance date:25.09.2023
Publication date:27.09.2023
Publisher:Elsevier
Year of publishing:2023
Number of pages:10 str.
Numbering:ǂVol. ǂ177, [article no.] 107971
PID:20.500.12556/DKUM-86749 New window
UDC:669.715:620.1
ISSN on article:0142-1123
COBISS.SI-ID:167923715 New window
DOI:10.1016/j.ijfatigue.2023.107971 New window
Publication date in DKUM:29.03.2024
Views:197
Downloads:15
Metadata:XML DC-XML DC-RDF
Categories:Misc.
:
KLEMENC, Jernej, GLODEŽ, Srečko, STEINACHER, Matej and ZUPANIČ, Franc, 2023, LCF behaviour of high strength aluminium alloys AA 6110A and AA 6086. International journal of fatigue [online]. 2023. Vol. 177,  107971. [Accessed 26 March 2025]. DOI 10.1016/j.ijfatigue.2023.107971. Retrieved from: https://www.sciencedirect.com/science/article/pii/S0142112323004723?via%3Dihub
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Record is a part of a journal

Title:International journal of fatigue
Shortened title:Int. j. fatigue
Publisher:Elsevier
ISSN:0142-1123
COBISS.SI-ID:25643520 New window

Document is financed by a project

Funder:ARIS - Slovenian Research and Innovation Agency
Project number:P2-0063
Name:Konstruiranje celičnih struktur
Funder:ARIS - Slovenian Research and Innovation Agency
Project number:P2-0182
Name:Razvojna vrednotenja
Funder:ARIS - Slovenian Research and Innovation Agency
Project number:P2-0120
Name:Tehnologije metastabilnih materialov
Funder:ARIS - Slovenian Research and Innovation Agency
Project number:I0-0029
Name:Infrastrukturna dejavnost Univerze v Mariboru
Funder:Other - Other funder or multiple funders
Project number:J2-8186

Secondary language

Language:Slovenian
Keywords:aluminijeve zlitine, malociklično utrujanje, eksperimentalno testiranje, fraktografija


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