Lab 4 - October 4, 2007 Mrs. JoAnne Scales Section 10,...

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October 4, 2007 Mrs. JoAnne Scales Section 10, Thursday 1-4pm Materials Science and Engineering Vanderbilt University Nashville, TN 37235 Dear Mrs. Scales, This report contains the results of the laboratory experiment conducted on Thursday, September 20, 2007. The purpose of the experiment is to compare the impact behavior of BCC and FCC metals. Body Centered Cubic (BCC) crystal structure implies that the major molecule of the crystal is positioned in the body of the crystal, while the Face Centered Cubic (FCC) model implies that the major molecule of the crystal is positioned on the face of the crystal. Samples are tested at different temperatures in order to determine the ductile-brittle transition temperature for each material The samples tested: 2024 peak aged Aluminum, 2024 overaged Aluminum, annealed 1018 Steel, 304 Stainless Steel, cold rolled 1018 Steel. The temperatures prepared by chemical bath or other: 100 o C (boiling water), 20 o C (room temperature), 0 o C (ice and water), -18 o C (ice and water and NaCl), -56 o C (dry ice and alcohol), -196 o C (liquid nitrogen). Samples are temperature treated in the following manner. The Annealed
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This lab report was uploaded on 04/07/2008 for the course MSE 232 taught by Professor Wittig during the Spring '08 term at Vanderbilt.

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Lab 4 - October 4, 2007 Mrs. JoAnne Scales Section 10,...

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