Ceramics

Characteristics：

Applications：
Semiconductor, optical equipment, aerospace industry, defense industry, medical equipment, tools, machines, food industry, the bike industry and extreme environment application industry, etc. Material characteristics, high strength, wear resistance, strong rigidity, corrosion resistance, insulation, non-magnetic, resistance to compression and weight and other metal materials do not have the performance.

Properties	Unit	B4C	99AL2O3	ZTA-20%	ZRO2	SI3N4	SIC
Density	g/cm3	2.4~2.51	3.7~3.99	5.5	6	3.2	3.2
HV Hardness	Kg/mm	2700~3200	2300~2700	1470~1500	1300~1500	1700~2700	2350~2450
Flexural strength	Mpa	350~400	300~400	700	1000~1500	900	450~800
Indentation strength	Mpa	1800~2500	2800~3500	2000	2000	3500	2250~3000
Impact strength	Mpa.m-3/2	6	2~4	5~6	11	7	4~5
Modulus elasticity	Gpa		407	260	210	320	410
Coef. of expansion	X10-6/℃	4.5	6.5~8.6	9.4	10.5	3.2	4.3
Heat impact	ΔT℃		200	470	250	500	350
Resistivity	Ω/cm2	0.3~0.8	>10¹²	>10¹²	>10¹²	>10¹²	100~2