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The properties of a ceramic injection moulding suspension based on a preceramic polymer

โœ Scribed by T. Zhang; J.R.G. Evans


Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
962 KB
Volume
7
Category
Article
ISSN
0955-2219

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โœฆ Synopsis


A ceramic suspension incorporating fine sinterable silicon carbide powder in a polycarbosilane vehicle has been modified by additions of paraffin wax to make it suitable for plastic forming operations. The diluent enables higher volume fractions of ceramic to be incorporated and lowers the softening point of the suspension. The danger of temperature-induced crosslinking in processing machinery is alleviated.

Eine keramische Suspension aus feinem sinterfiihigem Siliziumcarbidpulver in Polycarbosilan wurde durch

Zugabe yon Paraffin dahingehend veriindert, daft plastische Formgebungsverfahren angewandt werden k6nnen. Der Zusatz erm6glicht einen h6heren keramischen Feststoffanteil und setzt den Erweichungspunkt der Suspension herab. Die Gefahr einer temperaturinduzierten Vernetzung in der Apparatur vermindert sich.

On a modifik une suspension de cbramique constitube de poudre fine frittable de carbure de silicium en milieu polycarbosilane ~ l'aide d'additions de cite de


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