Liquid phase alumina

Question 1

What is the effect of CaO and SiO2 impurities and additives?

Answer 1

~ facilitate eutectic liquid phase sintering

Question 2

What is the effect of MgO additions?

Answer 2

~ impede anisotropic α-Al2O3 grain formation

Question 3

What is the standard designation for liquid phase sintered alumina?

Answer 3

~ 96% alumina

Question 4

What is this used for?

Answer 4

~ substrates in microelectronics