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Unformatted text preview: AEROSPACE MATERIALS LABORATORY (ASE 324L) Spring 2002 Midsemester Quiz 2-4 p.m. WRW 102 Please attempt all four questions. The points assigned to each question are shown in ( ). This is a closed notes/homework/book exam. Space for your answers is provided in this booklet. NAME: 1. The data (axial load and axial and negative radial displacements) shown below is from a tensile test on a metal at room temperature. The specimen diameter in the gage section was 0.5 in. The axial displacement was measured by an extensometer with a one-inch gage length. The radial displacement was measured by a transducer that spanned the diameter of the gage section. (a) Determine the Young's modulus and Poisson's ratio of the material. (4) (b) Determine the yield strength of the material using the 0.2% offset method. (2) (c) Find the ultimate tensile strength and the ductility of this material. (2) (d) The plastic strain up to the maximum load is given by 5 50000 1 ....
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This note was uploaded on 03/19/2008 for the course ASE 324L taught by Professor Leichti during the Spring '08 term at University of Texas at Austin.
- Spring '08