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MODES OF FAILURE: BUCKLING AND BEARING.

Problem 3. Lab Experiment Part 3 We will be doing a tension test of the scissor jack while doing the experiment. To make life a bit easier, you are only being asked in this part to analyze the center bar and pins while the scissor jack is under tension. Given the information below and the possible modes of failure that you obtained in the previous HW, find the factor of safety for each mode of failure Below are material properties CENTER ROD MATERIAL/GRADE Al-6063 T6 ELASTIC MODULUS (PSI) 10,000,000 TENSILE YIELD STRENGTH (PSI) 21,000 TENSILE ULTIMATE STRENGTH (PSI) 27,000 COMPRESSIVE YIELD STRENGTH (PSI)21,000 COMPRESSIVE ULTIMATE STRENGTH (PSI) 27,000 PINS MATERIAL/ GRADE ELASTIC MODULUS (PSI) TENSILE YIELD STRENGTH (PSi) TENSILE ULTIMATE STRENGTH (PSI) http://www.mcmaster.com/#shoulder-screws/:0681k 30,000,000 142,000 151,000

engineering   Mechanical-Engineering   
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