Beryllium Oxide Ceramic Insulators

Comparing theoretical density values beo is 3 01g cc while al 2 o 3 is 4 00 g cc and aln is 3 26 g cc.

Beryllium oxide ceramic insulators. Beryllium oxide insulators have a high dielectric strength which allows safe operating voltages of 1500 volts or more. Beryllium oxide is used in high technology ceramics electronic heat sinks electrical insulators microwave oven components gyroscopes military vehicle armor rocket nozzles crucibles thermocouple tubing laser structural components substrates for high density electrical circuits automotive ignition systems and radar electronic. Beryllium oxide versus aluminum nitride when thermal conductivity and heat dissipation are critically important considerations the differences between beryllium oxide beo also known as beryllia and aluminum nitride aln can mean the difference between long term performance and early failure. The coefficient of thermal expansion for beo is comparable to many other oxide ceramics and many metals as well at approximately 7 5 in in c for the range from 25 c.

This colourless solid is a notable electrical insulator with a higher thermal conductivity than any other non metal except diamond and exceeds that of most metals. Aavid thermal division of boyd corporation. Beryllium oxide has a density fully 25 lower than alumina. Although beryllium oxide is toxic beryllium oxide ceramics are not toxic.

Beryllium oxide beo also known as beryllia is an inorganic compound with the formula beo.