Page 244 - Engineered Interfaces in Fiber Reinforced Composites
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Table 5.16
Mechanical properties of major oxide fibers”
Properties Fiber FP PRD-166 Saffil RF Saffil HA Safimax Fiberfrax Nextel 312 Nextel 440
Diameter (pm) 20 20 1-5 1-5 3.0 1-7 I1 11
Density (g/cm3) 3.9 4.2 3.3 3.4 3.3 2.73 2.1 3.1
Tensile strength (MPa) > 1400 2070 2000 I500 2000 1000 1720 1720
Young’s modulus (GPa) 380 380 300 > 300 300 105 152 220
Specific strength (IO6 cm) > 3.7 5.0 6.2 4.5 6.2 3.8 6.5 5.7
Specific modulus (1 O6 cm) > 970 920 930 > 900 930 390 570 720
~_____
~ ~ c
“After Birchall (1986). &
Fiber FP: r-Al203 yarn (Du Pont).
PRD-166: AI2O3-ZrO2 yarn (Du Pont).
Saffil RF: 5% Si02/AI20, staple (ICI). 5
Saffil HA: 5% Si02/Al2O3 staple (ICI).
Safimax: 4% Si02/AI2O3 semi-continuous, standard density (ICI).
Fiberfrax: 50% SiO2/Al2O3 staple (Carborundum).
Nextel 312: 24% sio2/14% B203/A1203 (3M).
Nextel 440: 28% Si02/2% B2O3/AI2O1 (3M).
