AIN Ceramics from Nanosized Plasma Processed Powder, its Properties and Application

AIN Ceramics from Nanosized Plasma Processed Powder, its Properties and Application 

Laima Trinkler, Baiba Berzina, and Eriks Palcevskis 

Aluminum nitride (AIN) is a covalent-bonded compound and has a hexagonal wurtzite-type crystal structure and a density of 3.26 gcm . Pure AlN is translucent and colorless (white in powder form), and a stable compound in inert atmospheres at temperatures up to 2000 °C. 

Surface oxidation of AlN ceramics in air starts above 700 C but the oxide layer prevents the bulk oxidation up to 1300 C. The important property of AlN ceramics is its stability against the interaction with molten metals, including Al, Cu, Li, U, ferrous alloys, and some superalloys. AlN is also stable against molten salts, such as carbonates, eutectic mixtures, chlorides, and cryolite [2, 5]. 

Nitride Ceramics Combustion Synthesis, Properties, and Applications, First Edition. 

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I 9 AIN Ceramics from Nanosized Plasma Processed Powder, its Properties and Application Table 9.1 Characteristics of aluminum nitride ceramics. 

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