Hardness-tensile property relationships for HAZ in 6061-T651 aluminum

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dc.contributor.authorStathers, PAen_AU
dc.contributor.authorHellier, AKen_AU
dc.contributor.authorHarrison, RPen_AU
dc.contributor.authorNorrish, Jen_AU
dc.date.accessioned2016-10-30T23:41:46Zen_AU
dc.date.available2016-10-30T23:41:46Zen_AU
dc.date.issued2014-08en_AU
dc.date.statistics2016-10-31en_AU
dc.description.abstractHigh-strength aluminum is used extensively in industry, with welding being a widely used fabrication method. This work focuses on welding of 6061-T651 aluminum and establishment of the hardness–tensile properties relationship in the heat-affected zone (HAZ) of a gas metal arc weld using 4043 filler material. Test welds were prepared from 12.7-mm-thick plate with a single-V weld preparation. Base plate temperatures were measured with an array of eight embedded thermocouples during welding, relating temperature to properties at intervals from the weld. Through-thickness slices 1.7 mm thick were removed, by electric discharge machining, from the plate parallel to the weld at 2-mm intervals and extending from the weld centerline to 40 mm. into the HAZ and base plate. Tensile samples were prepared from these slices, and tensile properties and hardness values measured to establish a relationship between these two parameters. Both EQUOTIP (portable hardness tester) and Vickers microhardness measurements were conducted and related to tensile properties. Although a significant body of work exists relating tensile properties to hardness, no previous study was found that used this approach. Most work appeared to use cross-weld tensile tests, which only give the point of lowest strength. Sections of base plate material having a different thickness (31.75 mm) from that of the welded samples, and from a different source, were thermally aged to four hardness values and the hardness–tensile relationship was also established for this material. These results were compared with those of the HAZ samples; the results were found to fall within the scatter band of HAZ results.en_AU
dc.identifier.citationStathers, P. A., Hellier, A. K., Harrison, R. P., Ripley, M. I., & Norrish, J. (2014). Hardness-tensile property relationships for HAZ in 6061-T651 aluminum. Welding Journal, 93(8), 301S-311Sen_AU
dc.identifier.govdoc7541en_AU
dc.identifier.issn2689-0445en_AU
dc.identifier.issue8en_AU
dc.identifier.journaltitleWelding Journalen_AU
dc.identifier.pagination301S-311Sen_AU
dc.identifier.urihttps://www.aws.org/publications/WeldingJournalen_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/7979en_AU
dc.identifier.volume93en_AU
dc.language.isoenen_AU
dc.publisherAmerican Welding Societyen_AU
dc.subjectAluminiumen_AU
dc.subjectTensile propertiesen_AU
dc.subjectMetalsen_AU
dc.subjectWeldingen_AU
dc.subjectVickers hardnessen_AU
dc.subjectHeat affected zoneen_AU
dc.titleHardness-tensile property relationships for HAZ in 6061-T651 aluminumen_AU
dc.typeJournal Articleen_AU
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