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Direct manufacturing of ceramic investment casting shells using selective laser sintering

: Klocke, F.; Freyer, C.

Rapid prototyping & tooling, industrial applications. RAPTIA newsletter (1999), No.2, pp.3,8
Journal Article
Fraunhofer IPT ()
Rapid Prototyping; ceramic; selective laser sintering; metal prototype; investment casting; SLS

lt is becoming increasingly important in the field of product development, to minimise both the manufacturing time and the closeness to net shape of the parts produced. Whilst numerous approaches have already been successfully implemented and market for plastic parts, Rapid Prototyping for metallic parts, has stubbornly remained an area fraught with difficulties. Although several variations of the powderbased techniques like "Selective Laser Sintering (SLS)" and "Laser Generation" have been commercialised, as a rule, be described as "near net-shape".