Shigley's Mechanical Engineering Design (McGraw-Hill Series in Mechanical Engineering)
Shigley's Mechanical Engineering Design (McGraw-Hill Series in Mechanical Engineering)
10th Edition
ISBN: 9780073398204
Author: Richard G Budynas, Keith J Nisbett
Publisher: McGraw-Hill Education
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Chapter 2, Problem 12P

A steel member has a Brinell of HB = 215. Estimate the ultimate strength of the steel in MPa.

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PL.3 Grade 1020 steel has a yield strength of 290 MPa and an elastic modulus of 207 GPa. Another grade of steel has a yield strength of 910 MPa. What is its elastic modulus?
The figure below shows the stress-strain behavior of a mild steel (the insert shows part of the same plot, but with different scale). This steel is used to make a rod that is 6 mm in diameter and 400 mm long. The rod is loaded in tension until an elongation of 1.2 mm is reached. A. Estimate the Yield Stress for the Steel. B. Estimate the Ultimate Tensile Stress for the Steel. C. Estimate the Elastic Modulus for the Steel. D. Estimate the %Elongation for the Steel. E. Estimate the Force acting on the rod necessary to achieve an elongation of 1.2mm. F. After an elongation of 1.2mm the load on the rod is removed. Estimate the length of the rod after the load is released. 600 500 400 500 400 300 300 200 200 100 100 0.000 0.002 0.004 0.006 Strain 0.00 0.04 0.08 0.12 0.16 0.20 Strain Stress (MPa) Stress (MPa)
1. The greatest tensile stress that steel of a particular sort can withstand without breaking is about 10⁹ N m². A wire of a cross-sectional area 0.01 mm² is made of this steel. What is the greatest force that it can withstand? 2. Find the minimum diameter of an alloy cable, tensile strength 75 MPa, needed to support a load of 15 KN? 3. Calculate the tensile stress in a suspension bridge supporting cable, of a diameter of 50 mm, which pulls up on the roadway with a force of 4 kN.
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EVERYTHING on Axial Loading Normal Stress in 10 MINUTES - Mechanics of Materials; Author: Less Boring Lectures;https://www.youtube.com/watch?v=jQ-fNqZWrNg;License: Standard YouTube License, CC-BY