Engineering, 13.12.2019 01:31 avery2020
Briefly describe the simplest heat treatment procedure that would be used in converting a 0.76 wt% c steel from one microstructure to the other, as follows:
(a) martensite to spheroidite
(b) spheroidite to martensite
(c) bainite to pearlite
(d) pearlite to bainite
(e) spheroidite to pearlite
(f) pearlite to spheroidite
(g) tempered martensite to martensite
(h) bainite to spheroidite
Answers: 2
Engineering, 04.07.2019 18:10
Ifa component is made of two or more materials with different modulus of elasticity (e), it is called a composite member and we calculate the factor·n". mention the formula for calculating n". also, ifn> 1, explain what will happen to the 1. transformed.gi) ifn 1, what will happen to the material when transformed material when
Answers: 1
Engineering, 04.07.2019 18:20
Derive the correction factor formula for conical nozzle i=-(1+ cosa) and calculate the nozzle angle correction factor for a nozzle whose divergence hal-fangle is 13 (hint: assume that all the mass flow originates at the apex of the cone.
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Engineering, 04.07.2019 19:10
Starting wih an energy balance on a rectangular volume element, derive the one- dimensional transient heat conduction equation for a plane wall with constant thermal conductivity and no heat generation.
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Briefly describe the simplest heat treatment procedure that would be used in converting a 0.76 wt% c...
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