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Unformatted text preview: Examples Examples Exam 1 Exam 1 ISE 2204 – Introduction to Manufacturing Processes Dr. Jaime Camelio February 24 th , 2009 Example ◦ A thin-walled spherical shell is under internal pressure, p. The shell has a radius r and a thickness t. The sphere is made of a perfectly plastic material with a yield stress Y. Calculate the pressure required to cause yielding of the shell according to both yield criteria. ISE 2204 – Introduction to Manufacturing Processes – Spring 2009 Example 2.46 A strip of metal is originally 1.5 m long. It is stretched in three steps: first to a length of 1.75 m, then to 2.0 m, and finally to 3.0 m. Show that the total true strain is the sum of the true strains in each step, that is, that the strains are additive. Show that, using engineering strains, the strain for each step cannot be added to obtain the total strain. ISE 2204 – Introduction to Manufacturing Processes – Spring 2009 Example 2.47 A paper clip is made of wire 1.20-mm in diameter. If the original material fromA paper clip is made of wire 1....
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This note was uploaded on 02/20/2010 for the course ISE 2204 taught by Professor Rhsturges during the Spring '08 term at Virginia Tech.
- Spring '08