Mechanical properties enhancement of conventional mild steel for fastener application

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dc.contributor.authorSekunowo, O.I.
dc.contributor.authorAdeosun, S.O.
dc.contributor.authorOjo, O.E.
dc.date.accessioned2019-12-12T11:26:28Z
dc.date.available2019-12-12T11:26:28Z
dc.date.issued2014
dc.descriptionStaff publicationsen_US
dc.description.abstractDue to the rampant brittle fracture of most mild steel fasteners, an innovative hardening process of microstructure modificaton is employed on conventional mild steel to enhance its mechanical properties. The steel specimens were subjected to inter-critical austenitising heat treatment in the temperature range of 8000-9500C and soaked for 30 minutes, quenched in water at ambient temperature and tempered at varying temperatures of 2500, 3500, 4500 and 5500C. Results of mechanical characterisation of the test specimens demonstrate improvement in ultimate tensile strength and impact energy by 58.3 and 53.8 percent respectively coupled with a modest increase in hardness from 25.7HRB to 37.5HRB. Contribution to improved mechanical properties stem from the inducement of fine needle-like lower bainite particles within the dislocation-rich ferrite matrix at 4500C and 5500C tempering temperature regime.en_US
dc.identifier.citationSekunowo, O.I., Adeosun, S.O., Ojo, O.E. (2014). Mechanical properties enhancement of conventional mild steel for fastener application, Centre of professional research publication. International Journal of Engineering and Technology, 4(5):325-332en_US
dc.identifier.issn2049-3444
dc.identifier.urihttps://ir.unilag.edu.ng/handle/123456789/7086
dc.language.isoenen_US
dc.publisherCentre of professional research publication- International Journal of Engineering and Technologyen_US
dc.relation.ispartofseriesInternational Journal of Engineering and Technology;Vol.4(5)
dc.subjectMild steelen_US
dc.subjectHardeningen_US
dc.subjectMechanical propertiesen_US
dc.subjectAustenitisingen_US
dc.subjectResearch Subject Categories::TECHNOLOGYen_US
dc.titleMechanical properties enhancement of conventional mild steel for fastener applicationen_US
dc.typeArticleen_US
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