Structural Analysis
6th Edition
ISBN: 9781337630931
Author: KASSIMALI, Aslam.
Publisher: Cengage,
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The data shown in the table were obtained from a tensile test of a metal specimen with a rectangular cross-section of 0.2 in.? in area and a gage length (the length over which the elongation is measured) of 2.000 inches.
a. Generate a table of stress and strain values.
b. Plot these values and draw a best-fit line to obtain a stress-strain curve.
c. Determine the modulus of elasticity from the slope of the linear portion of the curve.
d. Estimate the value of the proportional limit.
e. Use the 0.2% offset method to determine the yield stress.
Transcribed Image Text:Elongation x 103
(in.)
Elongation x 103
(in.)
Load
Load
(kips)
(kips)
7.0
4.386
0.5
0.160
7.5
4.640
1.0
0.352
8.0
4.988
1.5
0.706
8.5
5.432
2.0
1.012
9.0
5.862
2.5
1.434
9.5
6.362
3.0
1.712
10.0
7.304
3.5
1.986
10.5
8.072
4.0
2.286
11.0
9.044
4.5
2.612
11.5
11.310
5.0
2.938
12.0
14.120
5.5
3.274
12.5
20.044
6.0
3.632
13
29.106
6.5
3.976
- N N M 344 55
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