The role of microstructural characteristics in the cavitation erosion behaviour of laser melted and laser processed nickel–aluminium bronze

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dc.contributor.authorCottam, Ren_AU
dc.contributor.authorLuzin, Ven_AU
dc.contributor.authorMoody, Hen_AU
dc.contributor.authorEdwards, DPen_AU
dc.contributor.authorMajumdar, Aen_AU
dc.contributor.authorWong, YCen_AU
dc.contributor.authorWang, Jen_AU
dc.contributor.authorBrandt, Men_AU
dc.date.accessioned2016-06-24T02:10:19Zen_AU
dc.date.available2016-06-24T02:10:19Zen_AU
dc.date.issued2014-09-01en_AU
dc.date.statistics2016-06-24en_AU
dc.description.abstractIn this study two types of laser surface treatment, laser surface melting and laser processing, were used to treat the surface of as cast Nickel–Aluminium Bronze. The two treatments were then subjected to cavitation erosion testing and were compared against as-cast Nickel–Aluminium Bronze. While the cavitation performance of the two types of laser surface treatment was equivalent, the morphology of the eroded surfaces was different. Several materials characterisation techniques including neutron diffraction for residual stress measurements and SEM were used to explain why the two eroded surfaces were different. It was found that the tensile residual stresses in the laser melted sample weakened the sample, which negated its superior strength when compared with the laser processed sample. It was also observed that the erosion and pitting in the laser melted sample were deeper and they were attributed to the tensile residual stresses accelerating the attack at grain boundaries. © 2014, Elsevier B.V.en_AU
dc.identifier.citationCottam, R., Luzin, V., Moody, H., Edwards, D., Majumdar, A., Wong, Y. C., Wang, J., & Brandt, M. (2014). The role of microstructural characteristics in the cavitation erosion behaviour of laser melted and laser processed nickel–aluminium bronze. Wear, 317(1–2), 56-63. doi:10.1016/j.wear.2014.05.002en_AU
dc.identifier.govdoc6755en_AU
dc.identifier.issn0043-1648en_AU
dc.identifier.issue1-2en_AU
dc.identifier.journaltitleWearen_AU
dc.identifier.pagination56-63en_AU
dc.identifier.urihttp://dx.doi.org/10.1016/j.wear.2014.05.002en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/7078en_AU
dc.identifier.volume317en_AU
dc.language.isoenen_AU
dc.publisherElsevieren_AU
dc.subjectNickelen_AU
dc.subjectAluminiumen_AU
dc.subjectNeutron diffractionen_AU
dc.subjectCavitationen_AU
dc.subjectErosionen_AU
dc.subjectResidual stressesen_AU
dc.titleThe role of microstructural characteristics in the cavitation erosion behaviour of laser melted and laser processed nickel–aluminium bronzeen_AU
dc.typeJournal Articleen_AU
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