Ceramics and Metal Matrix Composites
?II-VI provides customers with material solutions using our advanced composite materials, manufacturing expertise, and application skills. Our core material engineering group continues to formulate solutions for products in the industrial wear, nuclear, armor, LCD glass, semiconductor capital equipment, chip manufacturing, solar, oil and gas and refractory industries.
II-VI’s materials can be tailored to match critical system performance needs including CTE, thermal conductivity, modulus, etc. II-VI’s materials technology is scalable both in terms of high volume production and in the size and complexity of product shapes.
II-VI provides the marketplace with products that improve performance and improve the return on investment for our customers.
Materials
Metal Matrix Composites
Contact
Capabilites
Full Materials Table
?Property Aluminum?Metal?Matrix?Composites Reaction?Bonded?SiC Specialty?Reaction?Bonded?Ceramics
GREEN BLUE GOLD SSC-702 SSC-802 SSC-902 SSC-FG HSC-702 TSC-15 RBBC-751
(Al/SiC) (Al/SiC) (Al/SiC) (Si/SiC) (Si/SiC) (Si/SiC) (Si/SiC) (Si/SiC+Al) (Si/SiC+Ti) (B4C/SiC/Si)
Density (g/cc) [ρ] 2.78 2.87 2.96 2.95 3 3.12 2.94 3.01 3.13 2.56
Poisson’s Ratio 0.29 0.28 0.25 0.18 0.18 0.18 0.18 0.19 0.19 0.18
Young’s Modulus (GPa) [E] 125 150 200 350 380 410 330 330 390 400
CTE avg 20-100?C (ppm/K) [α] 15 12 11 2.9 2.9 2.7 3.0 4.4 3.0 4.8
Thermal Conductivity (W/m-K) [k] 160 160 160 170 180 190 150 200 210 52
Specific Heat (J/kg-K) 820 750 730 680 670 660 680 700 670 890
Ultimate Tensile Strength (MPa) 370 370 340 NA NA NA NA NA NA NA
Flexural Strength (MPa) NA NA NA 270 280 280 350 275 225 280
Fracture Toughness (MPa-m1/2) 15 14 13 4 4 4.0 4.0 5.0 5.0 5.0
Damping Factor (% Zeta) 0.24 0.26 0.58 0.12 --- --- --- --- ---
Specific Stiffness (E/ρ) 45 52 68 119 127 131 112 109 125 156
Thermal Stability (k/α) 11 13 14 59 62 70 50 45 70 11
