An bronze rod is rigidly attached between a aluminum rod and a steel rod as shown. Axial loads are applied at the positions indicated. Find the maximum allowable value of P that will not exceed a stress in steel of 140MPa, in aluminum of 90MPa or in bronze of 100MPa.

An bronze rod is rigidly attached between a aluminum rod and a steel rod as shown. Axial loads are applied at the positions indicated. Find the maximum allowable value of P that will not exceed a stress in steel of 140MPa, in aluminum of 90MPa or in bronze of 100MPa.

Materials Science And Engineering Properties

1st Edition

ISBN:9781111988609

Author:Charles Gilmore

Publisher:Charles Gilmore

Chapter6: Introduction To Mechanical Properties

Section: Chapter Questions

Problem 6.2DP

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Concept explainers

Material Properties

Construction in civil engineering demands high strength, durability, and longevity. These targets can be achieved by better design and analysis, along with the correct choice of materials. Different materials have different properties and hence, they respond and performs differently under the various condition of external loadings. It is therefore a critical task of an engineer to select the right material based on the property that the material is supposed to function in real-time. When speaking about the property, there are different categories of material properties like chemical property, physical property, mechanical property, electrical property, magnetic property, thermal property, etc. These material properties form the basis of material selection in various applications.

Question

Instruction: On clean sheet of paper write the problem statement, figures and free body diagrams, and complete solutions and final answers. (Mechanics of Deformable Bodies)

An bronze rod is rigidly attached between a aluminum rod and a steel rod as shown.
Axial loads are applied at the positions indicated. Find the maximum allowable value of
P that will not exceed a stress in steel of 140MPa, in aluminum of 90MPa or in bronze of
100MPa.
Aluminum
A = 500mm²
3P
Lal = 3.5m
Bronze
A = 200mm²
P
Lbr = 2m
Steel
A = 150mm²
L st = 1.2m
2P

Branch of science that deals with the stationary and moving bodies under the influence of forces.

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