ME101-1P A39 3T 2021-2022 JUNE 4, 2022 COMPOSITE GROUP DESIGN PROBLEM INSTRUCTION: SOLVE THE FOLLOWING DESIGN PROBLEM WI

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Me101 1p A39 3t 2021 2022 June 4 2022 Composite Group Design Problem Instruction Solve The Following Design Problem Wi 1 (79.48 KiB) Viewed 37 times

ME101-1P A39 3T 2021-2022 JUNE 4, 2022 COMPOSITE GROUP DESIGN PROBLEM INSTRUCTION: SOLVE THE FOLLOWING DESIGN PROBLEM WITH YOUR GROUPMATES, THEN PREPARE A TYPE-WRITTEN SOLUTION IN WORD FORMAT CONTAINING DETAILS SUCH AS: (TYPE OF THE PROBLEM DESCRIPTION, VARIABLE DEFINITION, ASSUMPTIONS, SCHEMATIC DIAGRAM, WORKING EQUATIONS, DETAILED SOLUTION, AND SUMMARY OF RESULTS), AND SUBMIT YOUR COMPLETE SOLUTION ON OR BEFORE JUNE 6, 2022. 16.D6 A tubular shaft similar to that shown in Figure 16.11 is to be designed that has an outside di- ameter of 100 mm (4 in.) and a length of 1.25 m (4.1 ft). The mechanical characteristic of prime importance is bending stiffness in terms of the longitudinal modulus of elasticity. Stiffness is to be specified as maximum allowable deflection in bending: when subjected to three-point bending as in Figure 12.30, a load of 1700 N (380 lb) is to produce an elastic deflection of no more than 0.20 mm (0.008 in.) at the midpoint position. Continuous fibers that are oriented parallel to the tube axis will be used; possible fiber ma- terials are glass, and carbon in standard-, inter- mediate-, and high-modulus grades. The matrix material is to be an epoxy resin, and fiber volume fraction is 0.40. (a) Decide which of the four fiber materials are possible candidates for this application, and for each candidate, determine the required inside diameter consistent with the preceding criteria. (b) For each candidate, determine the required cost and, on this basis, specify the fiber that would be the least expensive to use. Elastic modulus, density, and cost data for the fiber and matrix materials are given in Table 16.6. -10m Figure 16.11 Schematic representation of a tubolar composite shaft, the subject of Design Example in.l. Table 16.6 Elastic Modulus, Demity, and Cost Date for Glour and Various Carbon Fibers and Epoxy Resin Cost Elastic Modulus (GP) Material Density (grim) 258 ASU/N/RAY Glass fibers 72.5 210 Carbon fibers 1.80 (standand modus) Carbon fibers 1.80 (intermediate sodules) Carbon fibers 1.80 (high modulus) Epoxy resn 1.14 230 285 400 24 END. HUK $5.00 25000 6:00