 , 03.12.2019 05:40

The kinetics of the austenite-to-pearlite transformation obey the avrami relationship. using the fraction transformed–time data given here, determine the total time required for 95% of the austenite to transform to pearlite.   Another question on Engineering Engineering, 03.07.2019 12:20
If the thermal strain developed in polyimide film during deposition is given as 0.0044. assume room temperature is kept at 17.3 c, and thermal coefficient of expansion for the film and the substrate are 54 x 10^-6c^-1 and 3.3 x 10^-6c^-1respectively. calculate the deposition temperature. Engineering, 03.07.2019 12:20
The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite Engineering, 03.07.2019 12:20
Amass of m 1.5 kg of steam is contained in a closed rigid container. initially the pressure and temperature of the steam are: p 1.5 mpa and t 240°c (superheated state), respectively. then the temperature drops to t2= 100°c as the result of heat transfer to the surroundings. determine: a) quality of the steam at the end of the process, b) heat transfer with the surroundings. for: p1.5 mpa and t 240°c: enthalpy of superheated vapour is 2900 kj/kg, specific volume of superheated vapour is 0. 1483 m/kg, while for t 100°c: enthalpy of saturated liquid water is 419kj/kg, specific volume of saturated liquid water is 0.001043m/kg, enthalpy of saturated vapour is 2676 kj/kg, specific volume of saturated vapour is 1.672 m/kg and pressure is 0.1 mpa. Engineering, 03.07.2019 12:20
When at a point two solid phase changes to one solid phase on cooling then it is known as a) eutectoid point b) eutectic point c) peritectic point d) peritectoid point
The kinetics of the austenite-to-pearlite transformation obey the avrami relationship.

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