Expression developed for stiffness performance index

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Reference no: EM13948123

(a) Using the expression developed for stiffness performance index in Problem 22.D3(a) and data contained in Appen- dix B, determine stiffness performance indices for the following polymeric materials: high-density polyethylene, polypropylene, poly(vinyl chloride), polystyrene, poly- carbonate, poly(methyl methacrylate), poly(ethylene terephthalate), polytetra- fluoroethylene, and nylon 6,6. How do these values compare with those of the metallic materials? (Note: In Appendix B, where ranges of values are given, use av- erage values.)

(b) Now, using the cost database (Appen- dix C), conduct a cost analysis in the same manner as Section 22.2. Use cost data for the raw forms of these polymers.

(c) Using the expression developed for strength performance index in Problem 22.D3(a) and data contained in Appendix B, determine strength performance indices for these same polymeric materials.

Reference no: EM13948123

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