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The data shown in the accompanying table were obtained from a tensile test of high-strength steel...

The data shown in the accompanying table were obtained from a tensile test of high-strength steel. The test specimen had a diameter of 0.505 in. and a gage length of 2.00 in. (see figure for Prob. 1.3-3). At fracture, the elongation between the gage marks was 0.12 in. and the minimum diameter was 0.42 in.

Plot the conventional stress-strain curve for the steel and determine the proportional limit, modulus of elasticity (i.e., the slope of the initial part of the stress-strain curve), yield stress at 0.1% offset, ultimate stress, percent elongation in 2.00 in., and percent reduction in area.

TENSILE-TEST DATA FOR PROBLEM 1.3-7

Load (lb) Elongation (in.)

1,000……………………0.0002

2,000……………………0.0006

6,000……………………0.0019

10,000…………………..0.0033

12,000…………………..0.0039

12,900…………………..0.0043

13,400…………………..0.0047

13,600…………………..0.0054

13,800…………………..0.0063

14,000…………………..0.0090

14,400…………………..0.0102

15,200…………………..0.0130

16,800…………………..0.0230

18,400…………………..0.0336

20,000…………………..0.0507

22,400…………………..0.1108

22,600…………………Fracture

Apr 21 2020 View more View Less

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