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Composite Reinforcing Materials Beta SiC Whiskers

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Composite Reinforcing Materials Beta SiC Whiskers

SiC whiskers widely used in toughening metal matrix,ceramic matrix and polymer matrix composite.

product origin:
China
item no.:
D500A
shipping port:
Guangzhou
color:
Grey green powder
payment:
T/T, PayPal

pPoduct Details

Composite Reinforcing Materials Beta SiCw

Basicproperty:
Decomposition Temperature (K): 2973
Heating Power (KJ/mol): 30.343
Linear Expansion Coefficient (373K): 6.58× 10-6
Linear Expansion Coefficient(1173K): 2.98 × 10-6

Thermal Conductance:
Compression Coefficient: 0.21× 10-6
Density (288K) (g/cm3): 3.216
Hardness (Mohs): 9.5

A cardinal principle of Silicon Carbide Whisker in toughening composite

In the SiCw composite reinforcing material, both whisker and matrix match in physical and chemical properties match, can obtain the good interface bonding, improve the composite material of strong toughness.

SiCw widely used in toughening metal matrix,ceramic matrix and polymer matrix composite.

1.SiCw in toughening Al₂O₃ceramic matrix composites

Al₂O₃ceramic : High melting point and hardness

but toughness and strength is relatively low

↓

SiCw Toughening and strengthening

↓

Al₂O3 - SiCw ceramic

toughness have reached above 9MPa·m1/2 ,

strength can reach above 600 ~ 900 mpa [24]

Al₂O3 - SiCw ceramic: cutting tool ,ceramicsengine , internal combustion engine

2.SiCw in toughening ZrO₂ceramic matrix composites

ZrO₂ceramic : widely used in fireproofing

but in high temperature ,the mechanical properties worsen

↓

SiCw Toughening and strengthening

↓

ZrO₂- SiCw ceramic

can apply in 1350°c

ZrO₂- SiCw ceramic: Gas turbine rotor , Turbine set blade , C eramic engine parts , Ceramic tool , Wire drawing tool, bearing

3. SiCw in toughening mullite ceramic matrix composites

Mullite ceramic: The high quality refractory,

but toughness is relatively low,

which affects its practical application

↓

10%SiCw Toughening and strengthening

↓

Mullite-SiCw ceramic

Toughness can be increased by more than 100%,

the highest can amount to 6.37 MPa · m1/2

Mullite-SiCw ceramic :Thermal protective equipment ,rocket nozzle

4. SiCw in glass-ceramics matrix composites

Glass-ceramics : SiCw Toughening and strengthening

↓

1) keep the advantage of the glass:easy to forming

2) strength and toughness can be increased by more than double

toughess: reach 460MPa,

strength : 4.3MPa·m1/2

Glass-SiCw ceramic : Biological ceramic material,Preparation of artificial teeth , bone joint , bone repair materials

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composite reinforcing Materials beta SiC whiskers silicon carbide whiskers

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BUSINESS SCOPE Since its inception in 2002, Hongwu Enterprise Group has enjoyed over 2 decades of focusing on manufacturing, research, development and processing of inorganic nanoparticles, nanopowders, nano dispersions and nanocomposite. Nanomaterials involved metals, oxides, compounds, carbon nanotubes, nanowires, etc. The company is I...