Material science From the following readings of carbon percentage and the corresponding tensile strength,it was found that by slow cooling coarse pearlite is resulted:%C0.257,2000.40.60.889,250O uta- psi :It is evident that the increase of tensile strength can be related to one the followings:75,25090,000Slow cooling leading to equilibrium condition thereby increasing the strength.None.O Using relatively low temperature, fine grains will be produced.As the carbon content increases, the amount of cm and pearlite increase, thusincreasing the strength.O It was indicated that slow cooling produce coarse pearlite.Martensite is a phase that can be produced by quenching of y-phase at LCT (723C) throughout rapid cooling down to room temperature. The phasetransformation may characterized by the followings: *O The initial austenite composition and final martensite composition are not the same.O The martensite phase forms as a result of a diffusion solid state transformation.O The martensite phase forms as a result of a diffusion-less solid state transformation.None.The growth rate in martensite transformation is not so high that nucleation becomesthe controlling step.

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From the following readings of carbon percentage and the corresponding tensile strength, it was found that by slow cooling coarse pearlite is resulted : %C 0.2 0.4 75,250 0.6 0.8 89,250 O uta- psi 57,200 90,000 It is evident that the increase of tensile strength can be related to one the followings:

From the following readings of carbon percentage and the corresponding tensile strength, it was found that by slow cooling coarse pearlite is resulted : %C 0.2 0.4 75,250 0.6 0.8 89,250 O uta- psi 57,200 90,000 It is evident that the increase of tensile strength can be related to one the followings:

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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