CET 345W Materials Testing Laboratory Experiment No. 4 Impact Test

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- Measure and record dimensions of the specimen - Make sure the air compression valve is open and the power is connected. Turn on the equipment using the switch. - Verify Charpy scale is set to 264... ft-lb by looking at the LCD screen on the front. - Slide up the front glass door using the handle. - Using the metal tongs, place the specimen in the slot with the notch facing away from the striking edge of the pendulum. - Make sure the specimen is centered in the cavity. - Slide down to close the front glass door using the handle. - Release latch by pressing the test button. - Record the energy of the impact. - Pull out the bottom metal drawer to pick up the specimen. - Make observations after the specimen fails. [Show More]

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