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Unformatted text preview: 1 of 2 FACULTY OF ENGINEERING AND APPLIED SCIENCE ENGR 4250 - Advanced Materials Engineering Instructor: Dr. Ali Keshavarz TA: Maryam Talimi ASSIGNMENT # Due Date: Thursday March 17, 2011 at noon. Please submit your assignment with this cover page by noon to drop-box #3 located on ground floor OPG Building. Question 1 2 3 4 5 Total Mark NAME: ID: 5 2 of 2 Solve the following problems 16.12 In an aligned and continuous glass fiber-reinforced nylon 6,6 composite, the fibers are to carry 94% of a load applied in the longitudinal direction. (a) Using the data provided, determine the volume fraction of fibers that will be required. (b) What will be the tensile strength of this composite? Assume that the matrix stress at fiber failure is 30 MPa (4350 psi). Modulus of Elasticity [GPa (psi)] Tensile Strength [MPa (psi)] Glass fiber 72.5 (10.5 10 6 3400 (490,000) ) Nylon 6,6 3.0 (4.35 10 5 76 (11,000) ) 8.6 Some aircraft component is fabricated from an aluminum alloy that has a plane strain fracture...
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This note was uploaded on 06/02/2011 for the course ECONMICS ECN204 taught by Professor Brenan during the Spring '08 term at Ryerson.
- Spring '08