Harbin Xinhui

In order to improve the performance of boron carbide ceramic products and overcome the weaknesses of low ceramic toughness, we have developed liquid-phase sintered boron carbide ceramics. Sintering aids are used in during sintering process to form liquid phase and promote rapid completion of the sintering process so as to obtain sintered bodies with theoretical density. As the high temperature liquid phase at room temperature has formed a second-phase texture that material high toughness and is suitabl

e conditions requiring certain impact load. However, due to the additives, its hardness, wear resistance and corrosion resistance are less than that of pressureless sintered products. Performance characteristics: high hardness (> HV2500), high strength (> 430MPa), good toughness, having certain resistance to shock. Suitable for: lightweight equipments requiring wear resistance and resistance to shock such as bulletproof armor panel, gasket rings of machines, blast nozzles etc.

Liquid-phase Sintered Boron Carbide Bulletproof Laminate

Liquid-phase Sintered Boron Carbide Pump Element

Performance	Unit	Pressureless Sintered Silicon Carbide	Adopted Standard
Purity	B4C-Wt%	>92	-
Density	g/cm3	>2.57	ASTM C 20
Grain size	μm	5-10	ASTM E 112
Modulus of elasticity	MPa	410	ASTM C 848
Compression strength	GPa	4.2	GB/T8489-2006
Bending strength	MPa	432	GB/T6569-2006
Fracture toughness	MPa m1/2	4.11	GB/T23806-2009
Hardness	HK500	>2500	GB/T16534-2009
Poisson ratio		0.16	-
Specific heat capacity	J/kg K	511	-
Heat conductivity	W/m K	55	ASTM C 408
Coefficient of thermal expansion	10-6K-1 (0-1500oC)	4.3	GB/T16535-1996
Weibull modulus		13	ASTM C 1239

Ceramic Materials

TEL：0451-84368085
0451-84368082
0451-82296796
Fax：0451-84368083
Addr：No.18 Donghu Street, Daoli District, Harbin
Zip code：150090