hw4 - curve at approximately 150 MPa (21,750 psi). (d) The...

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Michael Mark, 22838947, 2/8/2009 MSE Homework #4 (a) The data are plotted below on two plots: the first corresponds to the entire stressstrain curve, w- hile for the second, the curve extends just beyond the elastic region of deformation. Entire Stress Strain Curve Curve which Extends Just Beyond the Elastic Region of Deformation
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(b) The elastic modulus is the slope in the linear elastic region as (c) For the yield strength, the 0.002 strain offset line is drawn dashed. It intersects the stressstrain
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Unformatted text preview: curve at approximately 150 MPa (21,750 psi). (d) The tensile strength is approximately 240 MPa (34,800 psi), corresponding to the maximum stre-ss on the complete stressstrain plot. (f) The ductility, in percent elongation, is just the plastic strain at fracture, multiplied by 100. The to-tal fracture strain at fracture is 0.110; subtracting out the elastic strain (which is about 0.03) leaves a plastic strain of 0.107. Thus, the ductility is about 10.7%EL....
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This note was uploaded on 03/11/2009 for the course IOE 310 taught by Professor Saigal during the Winter '08 term at University of Michigan.

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hw4 - curve at approximately 150 MPa (21,750 psi). (d) The...

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