Question: Describe the microstructure present in a 10110 steel after each step in the following heat treatments: (a) Heat To 900 C, quench to 400 C

Describe the microstructure present in a 10110 steel after each step in the following heat treatments:
(a) Heat To 900 ˚C, quench to 400 ˚C and hold for 103 s, and quench to 25 ˚C;
(b) Heat To 900 ˚C, quench to 600 ˚C and hold for 50 s, and quench to 25 ˚C;
(c) Heat to 900 ˚C and quench to 25 ˚C;
(d) Heat to 900 ˚C, quench to 300 ˚C and hold for 200 s, and quench to 25 ˚C;
(e) Heat to 900 ˚C, quench to 675 ˚C and hold for 1 s, and quench to 25 ˚C;
(f) Heat to 900 ˚C, quench to 675 ˚C and hold for 1 s, quench to 400 ˚C and hold for 900 s, and slowly cool to 25 ˚C;
(g) Heat to 900 ˚C, quench to 675 ˚C and hold for 1 s, quench to 300 ˚C and hold for 103 s, and air Cool to 25 ˚C; and
(h) Heat to 900 ˚C, quench to 300 ˚C and hold for 100 s, quench to 25 ˚C, heat to 450 ˚C for 3600 s, and cool to 25 ˚C.

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a Austenite forms at 900 C At 400 C all of the austenite transforms to bainite The final structure i... View full answer

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