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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.
Principle of superposition: Explain the principle of superposition. Sol.: A machine member is subjected to number of forces acting on its outer edges and also at some
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#question.I am doing a ,ini project on Hovercrafts .As i am from mechanical i need assistance regarding control over brushless motors.
Kinetics of Rigid Bodies: For the bodies undergoing plane motion, a common scheme for solutions is to apply the equations of dynamic equilibrium as below. ∑ F x = m a x
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