Solidification cracking susceptibility of ferritic stainless steels using Modified Varestraint Transvarestraint (MVT) method

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dc.contributor.authorKonadu, D.S.
dc.contributor.authorPistorius, P.G.H.
dc.contributor.authorToit, M.D.
dc.contributor.authorGriesche, A.
dc.date.accessioned2019-09-27T10:19:50Z
dc.date.available2019-09-27T10:19:50Z
dc.date.issued2019-08-19
dc.descriptionResearch Articleen_US
dc.description.abstractThe Modified Varestraint Transvarestraint (MVT) test was used to investigate the solidification cracking susceptibility of an unstabilised, a Nb-stabilised and two (Ti + Nb) dual-stabilised ferritic stainless steels. Two different welding speeds of 6 and 3 mm/s using autogenous gas tungsten arc welding were employed. At the welding speed of 6 mm/s, the high-content (Ti + Nb) steel was resistant and the Nb-stabilised steel was marginally susceptible to solidification cracking. At the welding speed of 3 mm/s, the Nb and the high (Ti + Nb) steels were found to be marginally susceptible to solidification cracking while the unstabilised and low-content (Ti + Nb) grades were resistant to solidification cracking. The weld metal microstructures transverse to the welding direction revealed columnar grains in all the samples for both welding speeds. The ferritic stainless steels were generally resistant to solidification cracking, except the Nb-stabilised steel, which was marginally susceptible to solidification cracking.en_US
dc.description.sponsorshipUniversity of Pretoria and the Southern African Institute of Weldingen_US
dc.identifier.otherhttps://doi.org/10.1007/s1204
dc.identifier.urihttp://ugspace.ug.edu.gh/handle/123456789/32321
dc.language.isoenen_US
dc.publisherSadhanaen_US
dc.relation.ispartofseries44;9
dc.subjectModified Varestraint Transvarestrainten_US
dc.subjectSolidification crackingen_US
dc.subjectFerritic stainless steelen_US
dc.subjectMicrostructureen_US
dc.subjectWeldingen_US
dc.subjectSusceptibilityen_US
dc.titleSolidification cracking susceptibility of ferritic stainless steels using Modified Varestraint Transvarestraint (MVT) methoden_US
dc.typeArticleen_US

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