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Title: Residual stress measurement in laser cladded rail utilizing neutron diffraction technique
Authors: Roy, T
Paradowska, AM
Abrahams, R
Law, M
Mutton, PJ
Soodi, M
Yan, W
Keywords: Steels
Neutron diffraction
Residual stresses
Issue Date: 27-Nov-2017
Publisher: Engineers Australia
Citation: Roy, T., Paradowska, A., Lai, Q., Abrahams, R., Law, M., Mutton, P., Soodi, M. & Yan, W. (2017). Residual stress measurement in laser cladded rail utilizing neutron diffraction technique. In Prusty, G. & Paradowska, A. (eds) 9th Australasian Congress on Applied Mechanics (ACAM9), University of NSW, Sydney, 27-29 November 2017(pp. 628-635). Retrieved from:
Abstract: The residual stress distribution of an excellent abrasion and corrosion resistant steel was evaluated to assess the potential of using laser cladding as a repair tool for rail track components. 410L steel powder was used to clad over a head treated rail steel substrate using a 4 kW IPG fibre laser. Pre-heating the substrate before cladding was investigated. Residual stress was measured by using neutron diffraction facility at the OPAL reactor, ANSTO (Australian Nuclear Science and Technology Organisation). A new experimental method was developed to measure residual stress of a small area of interest in large thick component. Residual stress results showed a compressive residual stress at the top surface of virgin and cladded rail. Clad layer was characterised by compressive residual stress and HAZ was characterised by tensile residual stress. A beneficial compressive residual stress was found at the cladding-substrate interface. © 2017 Engineers Australia
ISBN: 9781925627022
Appears in Collections:Conference Publications

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