Make a copy of the isothermal transformation diagram for a 0.45 wt% C iron-carbon alloy (Figure), and

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Make a copy of the isothermal transformation diagram for a 0.45 wt% C iron-carbon alloy (Figure), and then sketch and label on this diagram the time-temperature paths to produce the following microstructures:

(a) 42% proeutectoid ferrite and 58% coarse pearlite

(b) 50% fine pearlite and 50% bainite

(c)100% martensite

(d) 50% martensite and 50% austenite

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