8.3 composition of ceramics and its uses (chem 4dlp)

8.3

cOMPOSITION OF CERAMICS AND ITS USES

Start

Ceramic is a solid made up of inorganic and non-metalic substances.

How is it made?

how?

Shaping

Hardening

- by using heating technique at a high temperature

Examples of ceramic products

Aluminium Oxide Al2O3

Titanium carbide TiC

Silicon carbide SiC

Basic properties of ceramics

high thermal resistant

heat insulator

break easily

hard and strong

Basic Properties of Ceramics

chemically inert

electrical insulator

Types of Ceramics

Traditional ceramics

Advanced ceramics

(made from inorganic compounds : oxides, carbides, nitrides)

(made from clay : kaolin)

cutting disc

pottery

brake disc

brick

tungsten carbide ring

bowl

Ceramics uses application

- Zirconia ceramics are used in dental implants - Alumina ceramics are used to make knee bone

medicine

- Engine components in jet planes are made from ceramics

transportation

- Ceramics is used to make electrical insulators with high voltage areas such as power stations

energy production

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