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Laser assisted machining of aluminium composite reinforced by SiC particle

: Kawalec, M.; Przestacki, D.; Bartkowiak, K.; Jankowiak, M.

Lu, Y. ; Laser Institute of America -LIA-:
ICALEO 2008, 27th International Congress on Applications of Lasers & Electro Optics. Congress proceedings. CD-ROM : October 20-23, 2008, Temecula, CA, USA
Orlando, Fla.: LIA, 2008 (LIA 611=101)
ISBN: 978-0-912035-12-3
International Congress on Applications of Lasers & Electro Optics (ICALEO) <27, 2008, Temecula/Calif.>
Fraunhofer IWS ()
partikelverstärkter Verbundwerkstoff; Siliciumcarbid; Hartmetall; Sintern; Verschleiß; Schneide; Schnittkraft; Oberfläche; Metallmatrix-Verbundwerkstoff; polykristalliner Werkstoff; Werkzeugverschleiß; Werkstück; Werkstoffverschleiß; Aluminiummatrix-Verbundwerkstoff

Metal matrix composites (MMCs) have many industry applications in different sectors, e.g.: automobile and aerospace. However, due to hard ceramic reinforcing components in MMCs, difficulties can arise when machining via conventional manufacturing processes. Heavy tool wear is especially problematic. The Laser Assisted Machining (LAM) method could potentially improve the processing of these materials. In laser assisted cutting, the workpiece area is heated directly by a laser beam before the cutting edge. The work reported here centres on improving Al/SiC composites machinability by laser assisted machining when compared with conventional turning process. Influence of laser during laser assisted turning on cutting force, tool wear and machined surfaces roughness was investigated. This research was carry out for polycrystalline diamond inserts (PCD) and sintered carbide inserts with coated and uncoated. The results obtained with the laser assisted machining were compared with results obtain in conventional turning.