Ceramic components for heat engines show good mechanical and thermal properties, as follows; high thermal insulation, high temperature strength, light weight and good corrosion resistance. Si3N4 is a promising structural material among several ceramics. However, ceramic materials have disadvantages of low fracture toughness and strength scattering, owing to many micro-defects in the sintered bodies originated in the manufacturing processes. Development efforts have been made in automobile technologies on heat engines to improve the power performance, the fuel economy, and so on. It is well recognized that ceramic aplications are keys to succeed in such advanced heat engines, because of their good mechanical and thermal properties. This paper discusses present automobile applications of structural ceramic component and the expectations in automobile uses. The strength and reliability of mass-produced components for the engines are described with the manufacturing processes. The future R&D directions are recommended for structural ceramics.
Development of structural ceramic components for automobile applications
Entwicklung tragender keramischer Bauteile für Anwendungen im Automobil
1994
12 Seiten, 13 Bilder, 1 Tabelle, 12 Quellen
Aufsatz (Konferenz)
Englisch
Ceramic Components for the Automobile
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