Process	Powder injection moulding
	Mainly for small parts which require accurate and complex geometry. Ceramic or metal powders mixed with a plastic substance are heated, and then injected into the mould. For ceramic powders, water (traditional ceramics) or organic materials such as plasticizers (technical ceramics) are added to provide adequate plasticity for forming. The major difficulty is removing the organic material prior to firing, without causing cracks or distortions. Production volumes are medium to large.
Danish Name	Pulversprøjtestøbning
Category	Mass conserving processes, Powder technology
Materials	Ceramics Metal powders
Competing processes	Powder extrusion Lost wax casting
References	Modern Ceramic Engineer BASF Metallico Metalor 2000
Additional info	Possible to achieve good dimensional accuracy and surface finish.
Copyright	© 1997-2002 Torben Lenau This page is part of Design inSite