Question

If this iron-carbon alloy is austenitized at 800oC and subsequently held at 675oC for 100 second, then downquenched to 400oC and held for 30 seconds, followed by final quenching to room temperature, what is the resulting microstructure of the steel expected to be?

Name: if this iron carbon alloy is austenitized at 800oc and subsequently held at 675oc for 100 second then downquenched to 400oc and held for 30 seconds followed by final quenching to room temper 97186
Uploaded: 2023-04-20T04:49:44-08:00
Duration: 2 min 52 s
Channel: Madhur L
Description: if this iron carbon alloy is austenitized at 800oc and subsequently held at 675oc for 100 second then downquenched to 400oc and held for 30 seconds followed by final quenching to room temper 97186

          If this iron-carbon alloy is austenitized at 800oC and subsequently held at 675oC for 100 second, then downquenched to 400oC and held for 30 seconds, followed by final quenching to room temperature, what is the resulting microstructure of the steel expected to be?

Added by Amanda E.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Madhur L

04/20/2023

Step 1

- At 800°C, the steel is fully austenitic (γ phase). Show more…

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If this iron-carbon alloy is austenitized at 800oC and subsequently held at 675oC for 100 second, then downquenched to 400oC and held for 30 seconds, followed by final quenching to room temperature, what is the resulting microstructure of the steel expected to be?