Metal Nitride Ceramics

Silicon nitride is a chemical compound of the elements silicon and nitrogen.

Metal nitride ceramics. The non metal nitrides like boron nitride and silicon nitride rarely occur naturally and have to be manufactured. Silicon nitride si 3 n 4 is a non oxide structural ceramic material that is usually black or dark grey in colour and often polished to give a smooth and strikingly reflective surface appearance popular for its high shock and thermal resistance its typical applications include metal forming industrial wear situations and molten metal handling 1. Boron nitride bn is produced by reacting boron trioxide b 2 o 3 with ammonia nh 3 in an atmosphere of nitrogen. We are always happy to use our many years of technical ceramics experience to provide advice on materials.

On thermal conversion under nitrogen carboreduction and nitridation of the encapsulated metal oxide take place resulting in the formation of sic metal nitride ceramics with well defined composition profiles. Molten metal processing metal forming inhibits corrosion and chemical attack and provides easier release and longer mold die life precision ceramics is your total solution for your advanced ceramic boron nitride paintable coating needs. Durex industries rapid fire aluminum nitride aln ceramic heater solutions combine the thermal conductivity of aluminum and dielectric strength of specialty ceramics with physical properties similar to stainless steel. Meanwhile they exhibited high microhardness of 19 5 0 3 gpa at an applied load of 9 8 n and nanohardness of 33 4 0 5 gpa and simultaneously possessed a high bulk modulus of 258 gpa young s modulus of.

Si 3 n 4 is the most thermodynamically stable of the silicon nitrides. Boron nitride ceramics hexagonal boron nitride has a microstructure similar to that of graphite. We called hexagonal boron nitride hbn or white graphite. Hence si 3 n 4 is the most commercially important of the silicon nitrides when referring to the term silicon nitride.

Additionally a tungsten w rtd sensor is integrated into the multi layer heater construction to provide maximum control.