Engineering, 19.10.2019 01:00 raivynvieu6605
Annealing is a process by which steel is reheated andthen cooled to make it less brittle. consider the reheatstage for a 100-mm-thick steel plate (7830 kg/m3,c550 j/kgk, k48 w/mk), which is initially at auniform temperature of ti200c and is to be heatedto a minimum temperature of 550c. heating iseffected in a gas-fired furnace, where products of com-bustion at t800c maintain a convection coeffi-cient of h250 w/m2k on both surfaces of the plate. how long should the plate be left in the furnace?
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Annealing is a process by which steel is reheated andthen cooled to make it less brittle. consider t...
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