b Ceramics (si5rAmiks 1. Refractory [risfrAktEri] Difficult to melt or work resistant to heat 2. fracture toughness断裂韧度 crystallinerskristElain] Being, relating to, or composed of crystal or crystals 4. Denitrify [di: 5vitrifail To cause(a glassy material) to become crystalline and brittle 5 solution a homogeneous mixture of two or more substances which may be solids, liquids, gases, or a combination of the ese
B Ceramics [si5rAmiks] A homogeneous mixture of two or more substances, which may be solids, liquids, gases, or a combination of these. 1 . Refractory [ri5frAktEri] Difficult to melt or work; resistant to heat. 2 . fracture toughness 断裂韧度 3 . crystalline[5kristElain] Being, relating to, or composed of crystal or crystals. 4 . Devitrify [di:5vitrifai] To cause (a glassy material) to become crystalline and brittle. 5 . solution
e The ceramics is derived from Greek word keramic which means an art of potter Include glass i enamels [isnAmEl] refractories cements i limes i plasters(plaster of Paris)i cermets[5 sE: met]金属陶瓷,含陶合金; electronic ceramics i high and low tension electrical insulators i structural clay products i nuclear ceranIcs whitewares i abrasives [E5breisiv]
• The ceramics is derived from Greek word “keramic” which means an art of potter . Include : • glass ; enamels [i5nAmEl] ; refractories ; cements ; • limes ; plasters(plaster of Paris) ; cermets[5sE:met]金属陶瓷, 含陶合金; • electronic ceramics ; • high and low tension electrical insulators ; • structural clay products ; nuclear ceramics ; • whitewares ; abrasives [E5breisiv]
The different colors of Corundum [kESrandEm1 Ruby y Sapphire [saFai Courtesy NaturalHistoryMuseum,London
The Different Colors of Corundum [kE5rQndEm] Ruby Sapphire [5sAfaiE]