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What are the objectives of annealing?
Slow cooling rate from the eutectoid temperature yields course pearlite - a mixture of relatively coarse crystals of ferrite and cementite. Such a slow cooling is known as annealing. Here, sufficient time is available for the carbon in the austenite to disperse and redistribute itself to 0.02% in ferrite and 6.67% in cementite. During annealing, effective transformation temperature is decrease, where the rate of growth is rapid compared to the rate of nucleation. Therefore, spheroidising is obviously different from annealing.
1st law -What is the significance of the second foci of the elliptical orbit? 2nd law -if the speed of the planet changes,why donot we feel it?
#qwhat is projectileuestion..
what is the meaning of heat capacity
Specific heat of a gas is numerically equivalent to the amount of heat essential to raise the temperature of unit mass of gas by 1 0 C. In order to raise the temperature of unit ma
A certain radioactive substance has a half-life of 40 minutes. How much of an original 100 grams substance will remain after 2 hours? solution) m= m0/2t/T m=100 gms.. t=2 hours
formula used in thermoelectric thermometer experiment
Platinum: Atomic number 78 Symbol p t Atomic weight 195.09 Discovery Olloa 1735
The record for the highest speed achieved in laboratory for a uniformly rotating object was 2.01*10^3 m/s for a0.15-m long carbon rod. What was the period of rotation of the rod?
how to measure least count of the instruments?
Inductance is the circuit parameter to describe an inductor. It is an effect which results from the magnetic field that forms around a current carrying conductor. Inductance is sym
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