Answered: 3) Referring to the plot below, a steel…

3) Referring to the plot below, a steel bar with a radius of 0.2523-inch exposes to 650°C. If the expected lifetime of the iron bar is 9 years, what is the maximum load allowed to carry? (

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter1: Tension, Compression, And Shear

Section: Chapter Questions

Problem 1.7.1P: A high-strength steel bar used in a large crane has a diameter d = 2.00 in. (sec figure). The steel...

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Question

3) Referring to the plot below, a steel bar with a radius of 0.2523-inch exposes to 650°C. If the
expected lifetime of the iron bar is 9 years, what is the maximum load allowed to carry? (
Stress (psi)
20,000
10,000
8,000
6,000
4,000
2,000-
1,000
30
32 34 36 38 40 42
(36+0.78 In s)
Larson-Miller parameter w
1000

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Step 2: Determine the Larson-Miller parameter:

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Step 3: Determine the stress value from the plot corresponing to the calculated LMP:

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