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The kinetics of the austenite-to-pearlite transformation obeys 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.

a. 8 hours
b. 10 hours
c. 12 hours
d. 14 hours

User Jungmin
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1 Answer

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Final answer:

Without the specific fraction transformed-time data or the Avrami equation, we cannot calculate the total time required for 95% transformation of austenite to pearlite. Normally, one would use the provided data points along with the Avrami equation to find the needed time.

Step-by-step explanation:

The kinetics of the austenite-to-pearlite transformation can be described by the Avrami equation, which relates the fraction transformed to the logarithm of time. Although the specific Avrami equation isn't provided, the calculation would typically involve determining the transformation rate constant from the given data, and then using this to find the time it takes for a certain fraction, such as 95%, of the austenite to transform to pearlite.

Given that this is a theoretical problem and no specific fractions or rate constants are provided, an exact answer cannot be calculated. However, in a typical situation with real data, one would apply the Avrami equation using the provided fraction transformed–time data points to calculate the time required for the transformation.

User Amir Makram
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