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Main Factors to be Considered when Selecting Material
The main factors to be considered when selecting a material to meet some specific requirement are:
To assess the fitness of use, it is necessary to analyze the component function and determine the minimum property requirements (strength, toughness, etc.) required of a material. For any particular application, not all properties are of equal importance, for example creep resistance is of extreme importance for gas turbine disc and blade materials but of no consequence for, say, the transmission shaft of a small car, whereas fatigue resistance would be of equal importance in both cases.
Formability is an important characteristic, as this will affect the production methods to be used and costs of manufacture.
It may seem a fairly obvious point but before selecting a material it is necessary to know whether the chosen material is readily available in the quantities required.
Cost is of vital importance, as the final article must be produced at an acceptable cost if it is to be marketable. The fina1 cost will be based on both the material cost and the costs of processing.
sensitivity of governors
The cockpit of a jet plane flying at a speed of 1200 km/hr is to be cooled by simple air cooling system. The cockpit is to be maintained at 25 0 C and pressure in the cockpit is 1
a) Determine a real root of the equation cosx = 3x-1 correct to three decimal places using Iteration method. b) Detremine the real root of the equation logx - cosx =0 by Newton
how we made parts of engine
Explain Young's Modulus or Modulus of elasticity? Sol. : It is ratio between tensile stress and tensile strain or compressive stress and compressive strain. It can be denote
stability
Q. Use of high temperature materials in Furnaces? Often, furnace tubing and refractory protected membrane walls are fabricated from plain carbon steel with a minimum of 0.25% c
assignment
Information Phase: Step: To secure all and complete information and gather facts and from best sources. Our project is selected based on the current problem face by the
One end of a rod, 35 mm in diameter, is diped into a furnace with the other end projecting in the outer air. After the steady state is obtained, the temperature of the rod is evalu
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