Solids lab II

Solids lab II - Lab #2: Strain Gage Measurements ME 226...

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Lab #2: Strain Gage Measurements ME 226 Prof. Sheryl Gracewski April 2008 Dan Breyre Josh Dennstedt Robin Hargadon
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Overview: This lab is designed to use wire resistance gage rosettes to determine the strains within a test sample of aluminum. The state of the strain in the aluminum cantilever beams will be recorded as the end of the beam becomes displaced. The strain is recorded be three offset rosettes, each rosette being 45 o ’s from each other. A rosette is a piece of wire mounted to the surface of the beam, as the thin wire changes in shape due to the deflection of the beam the electrical resistance of the gage changes and is recorded in the strain gage. From these measurements we can calculate various properties of the test item such as the principal and axial strain placed on the beam. Procedure: This lab contains two parts; the first is a strain test with a single gage, the second is a strain test with a gage containing 3 rosettes. Before these tests can begin the testing machines
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This note was uploaded on 08/31/2008 for the course ME 226 taught by Professor Gracewski during the Spring '08 term at Rochester.

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Solids lab II - Lab #2: Strain Gage Measurements ME 226...

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