ng wek 11 SpreasheetsWeek 12 Lab ENG61811 Lab 12-check Pattept 3867579mid 162569
ID: 1765245 • Letter: N
Question
ng wek 11 SpreasheetsWeek 12 Lab ENG61811 Lab 12-check Pattept 3867579mid 1625690 Sto Home d Engineering User Gades Chem Semester 1 2018 Esto MATERIALS STRAND- Pre-Lab Tutoria's and Quizzes > Composites Quiz Acomposte contaning carbon fibres n epoxy resin is loaded in a direction parallel to the renforcing fibres. If there is 55 von6 fibres, modulus of the carbon fibres is 340 GPa and modulus of epoxy is 3.2 GPa, determine the modulus of the composite. Use this equation to calculate the modulus of the composine: Select one 173 GPa 114 GPa 181 GPa 188 GPa Next page frac.eqtcgit ac.eqtagif derid gitExplanation / Answer
Given -: Volume of carbon fibre = 55% = 0.55
therefore, remaining volume of epoxy resin = 0.45%
Now modulus of composite computed from given formula = 0.55 * 340 + 0.45 * 3.2 = 188GPa. (Ans)
The formua is based on weightage mean i.e those have more volume proportion ,the modulus is also closer to it.
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