--Reaction bonded silicon carbide (SISIC)
--Pressureless bonded silicon carbide (SSIC)
--Silicon carbide plus 30% carbon (SIC + CAR.)
APPLICTION:
Silicon carbide is one of best material within the secondary frictional material and is applied for high-temperature equipment, wear-resisting parts of pump valve, automobile, astronavigation, shipping etc.
PHYSICAL PROPERTY:
-- Mach inability of blank
-- Availability of complicated products
-- High impact resistance
-- High hardness
-- Strong corrosion resistance
-- Minor frication coefficient
TECHNICAL INEDX:
Item |
Ssic |
Sisic |
Sic+Carbon |
purity(%) |
>97 |
>90 |
30% carbon |
Hardness (HRA) |
≥90 |
≥90 |
≥85 |
Grain size (um) |
0.5-0.7 |
8月20日 |
20-40 |
Density (g/cm) |
3.06-3.15 |
>3.05 |
>2.65 |
Tensile Strength (MPa) |
400-580 |
350-450 |
200 |
Compressive Strength (MPa) |
3900 |
>2500 |
1800 |
Fracture Toughness (MPa) |
3.05-4.6 |
4.3 |
---- |
Elasticity Modulus (GPa) |
380-410 |
420 |
---- |
Thermal Conductivity (Wm/k) |
102.6 |
35-110 |
125 |
Thermal Expansion Coefficient (1/℃) |
4.02×10 |
4.3×10 |
3×10 |
Poisson Ratio |
0.14 |
0.15 |
---- |