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Laser-arc treatment of aluminium alloys
Luleå tekniska universitet.
1999 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

The increasing use of aluminium alloys in high demand applications has lead to the development of a number of surface treatment technologies designed to improve hardness and wear characteristics. This thesis investigates the combination of a high power laser beam and an electric arc to produce new surfaces on aluminium alloys. Topics covered include: * The physics of the laser-arc-material surface interaction * Surface remelting of aluminium alloys * Surface alloying of aluminium alloys with Si, Fe and Ni * Arc stabilisation by laser irradiation * Optimisation of the laser-arc process parameters * Metallographic examination of the surfaces generated by laser-arc melting and analysis of the solidification rates. It was discovered that the addition of an arc source to the laser-material interaction lead to an improvement of surface properties and production rates.

Place, publisher, year, edition, pages
Luleå: Luleå tekniska universitet, 1999. , 125 p.
Doctoral thesis / Luleå University of Technology 1 jan 1997 → …, ISSN 1402-1544 ; 1999:12
Research subject
Manufacturing Systems Engineering
URN: urn:nbn:se:ltu:diva-25756Local ID: af80d770-7a3a-11db-8824-000ea68e967bOAI: diva2:998912

Godkänd; 1999; 20061117 (haneit)

Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2016-10-20Bibliographically approved

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