Lab Report 3 - 29 SEPT 2007 Nick Boyer Section 4 Tuesday...

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29 SEPT 2007 Nick Boyer Section 4 Tuesday 1-4pm MSE 232 Vanderbilt University Nashville, TN 37235 Dear Mrs. JoAnn Scales, The results of the impact loading experiment, performed on September 25, 2007, are contained in this letter. The purpose of this experiment was to compare the impact behavior of both body centered cubic (BCC) and face centered cubic (FCC) metals at different temperatures. The materials used in this experiment are as follows: Charpy impact tester with baths for boiling water, ice/water, ice/water/salt, liquid nitrogen, stereo optical microscope, six Charpy samples of 1018 annealed steel, one Charpy sample of cold rolled 1018 steel, three Charpy samples of 304 stainless steel, three samples of over aged 2024 aluminum, and three samples of peak-aged 2024 aluminum samples for a total of 16 samples. The procedure for this lab was very simple because the samples were prepared for the class before hand. The first step was to raise the hammer on the machine until it locked and moved the pointer to zero. Then one Charpy specimen was placed on the Charpy machine, using tongs if needed.
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