Numerous reference sources (e.g., see footnote 13 on p. 41) provide information on the mechanical properties of structural materials—aluminum alloys, copper, nylon, steel, titanium, etc.—including σ-ϵ curves, like those in Figs. 2.12 and 2.13. You will find such resources in your technical library or, perhaps, on the Internet. Obtain, for one particular material, a “room-temperature” stress-strain diagram and any other information on the material that you are able to find. (a) Make a copy of this information to hand in. Be sure to write down complete bibliographic information about your source (e.g., see References on p. R-1). (b) From the room-temperature stress-strain diagram, determine as many mechanical properties as you can (e.g., E, σY). (c) Write a brief paragraph discussing appropriate uses for this material. For example, a particular aluminum alloy may be most useful in sheet form; another alloy is more widely used for extrusions.

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