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Nitrides, Silicides and Sulfides
Nitrides contain very high melting point but initiate to oxidize at low temperature. They have poor resistance also to chemicals. Boron nitride have a graphite structure and thus exhibit lubricating properties. A type of boron carbide identified as Borazon produced via compressing beneath high pressure of 68000 atmospheres at a temperature above 1700oC has hardness equivalent to such of diamond. Borazon also has a excellent resistance to oxidation and can withstand a temperature of 1950oC.
what is shear stress
Explain POINT ANGLE - Angle of drills It is also known as a cutting angle. Its most commonly used value for a large variety of materials is 118.Though,its varies from 80 to 140
Importance of angle of twist: Q: What is the importance of angle of twist? From relation T / J = G. θ / L ; we have θ= T . L / G . J As G , L , J
(i) Describe Poisson's Ratio. (ii) A circular rod of 100mm diameter and 500 mm length is subjected to a tensile force of 1000 KN. Calculate the modulus of bulk modulus, rigidity
How to determine Forces and Torque of slider crank mechanism?
Q. Show the Sources of Ignition? Sources of Ignition - Possible sources of ignition include the following: • Electrical: Sparks or arcs may occur when current carrying cont
to find a horizontal force acting on a body which is inclined to the plane with a particular angle
Dimension Commands: For example, the illustration above shows two different dimension styles. The one on the left is the default style known as STANDARD. If you do not create a
Initial Graphics Exchange Specifications (IGES) The basic concept of IGES is concerned with the exchange of product description data from one CAD system to another one. The CAD
Every loaded blade rod is consists of 400 pieces of blades which around 25cm tall. The blasting nozzle vertical height different is just about 10 cm. The nozzle will blast the blad
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