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M Cubed Technologies RBBC-751 Reaction Bonded Boron Carbide

Category Ceramic , Carbide , Ceramic Matrix Composite
Manufacturer M Cubed Technologies, Inc
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF M Cubed Technologies RBBC-751 Reaction Bonded Boron Carbide.pdf
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Material Notes:
Reaction-bonded boron carbide for extreme wear environments. Can be cast into very large components (greater than 4 ft. square)Information provided by M Cubed Technologies, Inc.
Physical Properties Metric English Comments
Density 2.56 g/cc
0.0925 lb/in³
ASTM C135
Mechanical Properties Metric English Comments
Knoop Microhardness 1550

@Load 2.00 kg
 1550

@Load 4.41 lb
 kg/mm2; ASTM C1326
Modulus of Elasticity 380 GPa
55100 ksi
ASTM E494
Flexural Strength 280 MPa
40600 psi
ASTM C1161
Poissons Ratio 0.18
0.18
ASTM E494
Fracture Toughness 5.00 MPa-m½
4.55 ksi-in½
ASTM C1421
Shear Modulus 161 GPa
23400 ksi
Calculated
Thermal Properties Metric English Comments
CTE, linear 4.80 µm/m-°C

@Temperature 25.0 - 100 °C
 2.67 µin/in-°F

@Temperature 77.0 - 212 °F
 ASTM E831
Thermal Conductivity 50.0 W/m-K
347 BTU-in/hr-ft²-°F
ASTM E1461
Descriptive Properties Value Comments
Matrix Si
Particle Reinforcement B4C
Vol. % Reinforcement 75
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