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Diode laser metal deposition: The effect of pulsed beam parameters on superalloy microstructure and deposit morphology

Pinkerton, A.J. and Moat, R. J. and Li, L. and Preuss, M. and Withers, P. (2006) Diode laser metal deposition: The effect of pulsed beam parameters on superalloy microstructure and deposit morphology. In: Proceedings of the 25th International Congress on Applications of Lasers and Electro-optics (ICALEO). Laser Institute of America.

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Abstract

This work describes a study of laser direct metal deposition (LDMD), using a diode laser in pulsed (discontinuous beam) mode and a coaxial powder nozzle. An experimental study analyses the effect of pulse parameters on the microstructure of thin-wall Waspaloy (nickel superalloy) parts and a simple model is used to explain some of the trends seen. Findings indicate that varying pulse parameters is potentially a useful way of controlling laser deposited superalloy part properties.

Item Type: Contribution in Book/Report/Proceedings
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Departments: Faculty of Science and Technology > Engineering
ID Code: 59690
Deposited By: ep_importer_pure
Deposited On: 07 Nov 2012 10:29
Refereed?: No
Published?: Published
Last Modified: 10 Apr 2014 01:44
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/59690

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