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Cast Iron Torque (Nmm) (T*L)/J Phi 0 0 0 50000 310.02182 0.005 100000 20.0!3"25 0.011 150000 #30.0558" 0.01" 200000 12!0.08"!5 0.023 250000 1550.10#31 0.028 300000 180.1311" 0.038 $i%& 'tee% Torque (Nmm) (T*L)/J Phi 0 0 0 50000 30".!3022 0.00! 100000 1!.8052! 0.00" 150000 #22.2#0"8" 0.011 200000 122#."2105 0.01 250000 153".15131 0.02 ( ) 50!3.2153!20# + 33." ( ) ""##.051#88233 + 10.82

ENGG 317 Lab 2

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This document displays lab results for a torque test using a machine that twisted both a mild steel and cast iron bar. Each graph shows a relationship of degrees of twist vs. TL/J. Stress is derived from the slope.

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Part ACast IronTorque (Nmm)(T*L)/JPhi00050000310.02186231260.0056100000620.04372462520.0116150000930.06558693790.01762000001240.08744925050.02362500001550.10931156310.0283000001860.13117387570.038Mild SteelTorque (Nmm)(T*L)/JPhi00050000307.43026220660.004100000614.86052441320.0076150000922.29078661980.01162000001229.72104882640.0162500001537.1513110330.02

Part B2) Midspan deflectionLoad (N)Deflection (exp) (mm)Deflection (calc) (mm)000250.480.461500.9450.923751.4331.3841001.9551.8451252.4212.3061502.8842.7681753.3323.2292003.9113.692105.5483.8753) Midspan strainLoad (N)Strain (exp) (x10^-6)Strain (calc) (x10^-6)00025300292.95059858675904878.510012361171.512515351464.515018311757.517520802050.520025202343.521036202460.5