April 2012
Intermediate to advanced
868 pages
22h 25m
English
Content preview from Strength of Materials
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2
Composite Bars and Temperature Stresses
CHAPTER OBJECTIVES
In this chapter, we will learn about:
- A composite bar made of two bars of different materials rigidly fixed together so that both bars strain together under external load.
- Since strains in the two bars are same, the stresses in the two bars depend on their Young’s modulus of elasticity. In other words, a stiffer bar will share major part of external load.
- In a composite system the two bars of different materials are not joined together, but they support a third rigid bar. Load application on the third rigid bar is such that the change in length of both bars is the same, producing different stresses in two bars.
- An assembly of two bars, placed co-axially, but having different lengths. ...
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