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Residual stress generation during laser cladding of steel with a particulate metal matrix composite

Record type: Article

Laser cladding is used to coat and repair the surface of various components. A significant issue relating to optimisation of the process is the generation of residual stresses. These are affected by the high thermal gradients inherent in the process, and associated differential thermal contraction. These stresses can lead to various types of distortion. A customised 3-D finite element model has been developed, incorporating these effects, based on simulation of conductive, convective and radiative heat transfer, and assuming elastic-perfectly plastic deformation behaviour. Creep effects have been neglected and the cladding (particulate metal matrix composite) has been treated as a continuum. Comparisons are presented between measured and simulated thermal fields and specimen deflection histories. The results indicate that the main features of residual stress generation in this type of system have been captured in the model. Implications for process optimization and control are briefly discussed.

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Citation

Plati, A., Tan, J.C., Golosnoy, I.O., Persoons, R., van Acker, K. and Clyne, T.W. (2006) Residual stress generation during laser cladding of steel with a particulate metal matrix composite Advanced Engineering Materials, 8, (7), pp. 619-624.

More information

Published date: July 2006
Additional Information: nonValidatingUrl:DOI: 10.1002/adem.200600063
Organisations: EEE

Identifiers

Local EPrints ID: 264609
URI: http://eprints.soton.ac.uk/id/eprint/264609
ISSN: 1438-1656
PURE UUID: f48762b4-fcd9-43e6-b1a1-58d45888fdd2

Catalogue record

Date deposited: 02 Oct 2007
Last modified: 18 Jul 2017 07:34

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Contributors

Author: A. Plati
Author: J.C. Tan
Author: I.O. Golosnoy
Author: R. Persoons
Author: K. van Acker
Author: T.W. Clyne

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