Tensile stress, Mechanical Engineering

Tensile Stress:

The stress induced in a body, when subjected to two equal and opposite pulls as shown in figure (a)

as a result of which there is an increase in length, is known as tensile stress.

Assume,

P = Pull acting on the body,
 A = Cross sectional area of the body,

σ= Stress induced in body

Figure (a), shows a bar which is subjected to tensile force P at its ends. Consider section x-x that divides the bar into two parts. The part left to section x-x, will be in equilibrium if P = Resisting force (R). This is show in Figure (b), Similarly the part right to the section x-x, will be in equilibrium if P = Resisting force as shown in Figure (c), This resisting force per unit area is known as stress or intensity of stress. Tensile stress ( σ ) = Resisting force (R)/Cross sectional area σ1  = P/A N/m2.

7_Tensile Stress.png

Posted Date: 10/20/2012 7:31:22 AM | Location : United States







Related Discussions:- Tensile stress, Assignment Help, Ask Question on Tensile stress, Get Answer, Expert's Help, Tensile stress Discussions

Write discussion on Tensile stress
Your posts are moderated
Related Questions
What is load? Sol. : A load can be defined as the combined effect of external forces acting on the body. The load is applied on body whereas stress is induced in material of

Q. Production Test Rings? The frequency for the tests shall be as follows: • One sample at the 10th joint • One sample at the 75th joint • One sample at the 300th join

how an axial thrust is a generated in a helical gear


Determine the stress in composite bar: How do you determine the stress in composite bar? What is Modular Ratio? Sol.: It becomes essential to have a compound tie or strut

What are the Special Considerations in Planning The dimensions of the foundation should be such that for low-speed machines (operating speed less than 500  rpm) the natural fre

Question: A 3-phase, 15 kV, 4-pole, cylindrical rotor synchronous generator is connected to infinite bus running at 50 Hz. The synchronous reactance of the machine is X s = 0.

(a) Derive a mathematical expression to determine the efficiency of Bell Coleman Cycle. (b) A dense air refrigeration cycle acts between pressures of 4 bar and 16 bar. The air t

Equation for principal stresses and principal planes: Derive equation for principal stresses and principal planes for the element subjected to compound stresses. Sol.:

what is the difference between mineral and vegetable oils in terms of oiliness and oxidization?