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How do you find modulus of elasticity from load-displacement curve?
Wiki User
∙ 15y ago
The modulus of elasticity is a property specific to a given material and in practice is derived through laboratory testing.
The modulus of elasticity is defined as stress/strain. One would have to apply a force uniformly over a known cross section of a material and monitor the strain utilising strain gauges. When the results are plotted you will notice that you get elastic behaviour up to a point of yield (this is known as the yield stress in normal carbon steels, however in stainless steel where the yield point is not as defined, we normally accept it to be the 0.2% strain) and the material should behave linearly in this area. If you take the gradient of the stress/strain, this will be your Elastic modulus.
Please note that the plotted curve will begin to flatten off roughly at the 0.2% strain line and this is due to the fact that the material has yielded. even after this point the material will not fail but will act 'plastically' up to a point where the material fractures which we call the ultimate stress.
Wiki User
∙ 11y ago
Wiki User
∙ 15y agoThe modulus of elasticity is the slope of the linear portion of the curve (the elastic region).
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How do you calculate the Youngs modulus of a material?
To find the Young's modulus of steel or any other material you require a plot of it's deformation response to loading. Specifically it's axial stress vs axial strain. From this you need to find the gradient of the straight line portion of the curve where the material is behaving elastically and obeying Hooke's law. This is essentially stress / strain and gives you Young's modulus.
Where the couple produced in the barton's apparatus to find out modulus of rigidity?
flywheel
Why 0.2 percent is used to find offset yield strength?
Due to the difficulty of locating the precise point at which the slope of the modulus line begins to change, indicating the onset of plastic deformation and the yield point. By placing a line parallel to the modulus line it is much easier to see the precise point at which they intersect. The selection of .2% is just a convenient distance to provide a good visible intersection and assure a very reasonable degree of accuracy.
The characteristic curve of a diode?
A diode characteristic curve is a curve that describes the characteristic of diode and it is normally based on experiment data. The curve itself has two distinctly separate parts.One part lies in the first quadrant and it stands for the forward-biased situtation.It reflets the barrier voltage(meaning the smallest amount of voltage that can turn on the diode).For Germannium diode,the barrier voltage is 0.3V while silicon diode is 0.7V,but the real value differs according to the temperature and current flows through the diode.The other part lies in the third quadrant which indicates the reverse-biased situation,from which you can find out the leakage current(the current flow through before Breakdown Point). Typcially, a diode characteristic curve varies from diode to diode.But theoretically speaking,we regard them as the same.
How do you calculate 45 degree steel elbow weight-- need a formula?
The easiest way is to find the centerline length and multiply that by the linear weight of the pipe size being used. Alternatively, this formula should give the weight of an elbow in pounds: w=0.071*pi^2*R*(ro^2-ri^2) Where: w= weight of elbow (lb) R=curve radius of elbow (in) ro=outside radius of pipe (in) ri=inside radius of pipe (in)
How do you find modulus of elasticity from load displacement curve?
The modulus of elasticity is the slope of the linear portion of the curve (the elastic region).
Is the price elasticity constant along the demand curve?
Price elasticity of demand is equal to the instantaneous slope of the demand curve, or the slope of the tangent line at any point on the demand curve. So if the demand curve is represented by a straight downward sloping line, then yes, price elasticity of demand is equal to the slope of the demand curve. Otherwise, the slope at any point on the curve is changing, and you can find the it by taking the derivative of the demand curve function, which will find the Price elasticity of demand at any single point. Thus, the Price Elasticity of Demand changes at different points on the demand curve.
How do you find the density of an object without finding its mass?
The speed of sound through an object is related to the density and elasticity of the material. Velocity = square root of (elasticity (bulk modulus) divided by density). Thus if you can measure the material's elasticity and the velocity of sound waves passed through it, the density can be calculated without reference to the mass of the object.
How do you calculate the Youngs modulus of a material?
To find the Young's modulus of steel or any other material you require a plot of it's deformation response to loading. Specifically it's axial stress vs axial strain. From this you need to find the gradient of the straight line portion of the curve where the material is behaving elastically and obeying Hooke's law. This is essentially stress / strain and gives you Young's modulus.
How do you find modulus of resilience?
Resilience is the ability of a material to absorb energy when it is deformed elastically, and release that energy upon unloading. The modulus of resilience is defined as the maximum energy that can be absorbed per unit volume without creating a permanent distortion.It can be calculated by integrating the stress-strain curve from zero to the elastic limit. In uniaxial tension,whereUr is the modulus of resilience,σy is the yield strength,andE is the Young's modulus.
Where could a person buy a Modulus guitar?
Modulus Guitars was founded by Geoff Gould in the 1970's. Modulus guitars can be difficult to find. One may be able to find a Modulus guitar on the online website Musician's Friend. It may also be possible to find used Modulus guitars for sale on a website such as eBay or Kijiji.
How do you find modulus of number in scientific calculator?
The way you find modulus of a number on a scientific calculator depends on the model of calculator. On the TI-86, you use mod (x,y) or x mod y to find modulus.
How do you find Modulus of rigidity using graph?
how do you find rigiedity of a penis
Where the couple produced in the barton's apparatus to find out modulus of rigidity?
flywheel
How do you find the slope of an Indifference curve?
You find the tangent to the curve at the point of interest and then find the slope of the tangent.
Why elasticity concept is required by managers?
Elasticity helps to find optimal production quantities and thus optimal profits.
How do you find the slope of a graph if it is a curve?
You find the slope of the tangent to the curve at the point of interest.
