yields the following estimate of the mechanical properties of the composite E=131 GPa V12=0.27 E2=8.3 GPa The estimated properties agree reasonably well with the measured data.The differences may be due to variations in fiber volume fraction. References 1.J.P.Holman and W.J.Gajda,Jr.,Experimental Methods for Engineers,5th ed., McGraw-Hill,New York,1993. 2.Product Data,Number 841-4,Hercules Inc.,Wilmington,DE,1987. 3.J.Aboudi,Mechanics of Composite Materials-A Unified Micromechanical Approach, Studies in Applied Mechanics-29,Elsevier,Amsterdam,1991. 4.N.J.Johnston,T.W.Towell,and P.M.Hergenrother,Physical and mechanical properties of high-performance thermoplastic polymers and their composite materials,in Thermoplastic Composite Materials,L.A.Carlsson,ed.,Elsevier, Amsterdam,1991,pp.27-71. ©2003 by CRC Press LLCyields the following estimate of the mechanical properties of the composite E1 = 131 GPa ν12 = 0.27 E2 = 8.3 GPa The estimated properties agree reasonably well with the measured data. The differences may be due to variations in fiber volume fraction. References 1. J.P. Holman and W.J. Gajda, Jr., Experimental Methods for Engineers, 5th ed., McGraw-Hill, New York, 1993. 2. Product Data, Number 841-4, Hercules Inc., Wilmington, DE, 1987. 3. J. Aboudi, Mechanics of Composite Materials — A Unified Micromechanical Approach, Studies in Applied Mechanics - 29, Elsevier, Amsterdam, 1991. 4. N.J. Johnston, T.W. Towell, and P.M. Hergenrother, Physical and mechanical properties of high-performance thermoplastic polymers and their composite materials, in Thermoplastic Composite Materials, L.A. Carlsson, ed., Elsevier, Amsterdam, 1991, pp. 27–71. TX001_AppC_Frame Page 234 Saturday, September 21, 2002 5:14 AM © 2003 by CRC Press LLC