Show simple item record

dc.contributor.authorNaeem, Haider T.
dc.contributor.authorKahtan Sadiq, Muhammed, Dr
dc.contributor.authorKhairel Rafezi, Ahmad, Dr.
dc.contributor.authorAzmi, Rahmat, Prof.
dc.date.accessioned2014-05-26T11:13:55Z
dc.date.available2014-05-26T11:13:55Z
dc.date.issued2013-03
dc.identifier.citationAdvanced Materials Research, vol. 795, 2013, pages 211-218en_US
dc.identifier.isbn978-303785811-0
dc.identifier.issn1022-6680
dc.identifier.urihttp://www.scientific.net/AMR.795.211
dc.identifier.urihttp://dspace.unimap.edu.my:80/dspace/handle/123456789/34770
dc.descriptionLink to publisher's homepage at http://www.ttp.net/en_US
dc.description.abstractThe effect of retrogression and reaging heat treatment on microstructure evolution andmechanical properties of 7075 Al alloy in direct chilling casting process was investigated. The subsequent heat treatment process comprised pre-aging at 120°C for 24 h, retrogression at 180°C for 30 min, and then reaging at 120°C for 24 h. By this three-step process, the mechanical properties of the chilled casted samples were substantially improved. The samples retain their high strength at T6 level. They gave yield strength up to 290 MPa, ultimate tensile strength of 386 MPa and elongation of 5.9%. The average value of multiple Vickers hardness tests results were in the range of 210 Hv. The direct chilling process followed by retrogression and reaging heat treatment yielded casts of fine and uniform microstructure as opposed to the microstructure of samples casted by the conventional process.en_US
dc.language.isoenen_US
dc.publisherTrans Tech Publicationsen_US
dc.subjectAluminum alloys 7XXXen_US
dc.subjectDirect chill castingen_US
dc.subjectMechanical propertiesen_US
dc.subjectMicrostructureen_US
dc.subjectRe-agingen_US
dc.subjectRetrogressionen_US
dc.titleThe role of direct chilling, retrogression and reaging treatment on mechanical properties of high strength aluminum alloyen_US
dc.typeArticleen_US
dc.identifier.url10.4028/www.scientific.net/AMR.795.211
dc.contributor.urlhaider_neem@yahoo.comen_US
dc.contributor.urlkahtan@unimap.edu.myen_US
dc.contributor.urlrafezi@unimap.edu.myen_US
dc.contributor.urlazmirahmat@unimap.edu.myen_US


Files in this item

Thumbnail

This item appears in the following Collection(s)

Show simple item record