MATE CFRP project

MATE CFRP project - order to accomplish this we need to...

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Olivia Nixon, Nathan Ruiz, Mitchell Wickline October 13, 2011 MATE 210-01 Team Design Assessment #1 Material Elastic Modulus, E (GPa) Thermal Expansion, α (µε/°C) Poisson ratio CFRP 102 2 0.306 Fibers 380 0.3 Not Given Polyeste r 3.02 133 0.392 1) 2) 3)
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4) Young's modulus (GPa) 0.001 0.01 0.1 1 10 100 1000 Thermal expansion coefficient (µstrain/°C) 1 10 100 Polymethyl methacrylate (Acrylic, PMMA) Polyester Epoxies To solve the problem of the fibers separating from the matrix due to uneven thermal expansion we need to find a replacement to the polyester. However, it is stated that whatever replacement we pick it can’t change the Elastic Modulus of the composite. In
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Unformatted text preview: order to accomplish this we need to find a material that has around the same properties of polyester, has the same Elastic Modulus, and has a lower Thermal expansion coefficient. By looking at Graph 1 there are two options that are available; Polymethyl metharylate, which has almost the exact same Elastic Modulus as Polyester, Epoxies, which has a slightly less Elastic Modulus then Polyester but also has a smaller thermal expansion coefficient then Polymethyl Metharylate. For this project we decided to go with Epoxies as our final material choice....
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This note was uploaded on 12/05/2011 for the course MATE 210 taught by Professor Niebuhr during the Fall '05 term at Cal Poly.

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MATE CFRP project - order to accomplish this we need to...

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