A steel microstructure contains 92% martensite and 8% Fe 3 C; the composition of the martensite is
Question:
A steel microstructure contains 92% martensite and 8% Fe3C; the composition of the martensite is 1.10% C. Using Figure 12-35, determine
(a) The temperature from which the steel was quenched and
(b) The carbon content of the steel.
Transcribed Image Text:
Temperature (°C) 900 800 700 0 A3 a+y α 0.0218 0.2 0.4 Y I Acm Y+ Fe C A₁ = 727°C 0.77 a + Fe C Tī 0.6 0.8 1.0 1.2 1.4 Weight percent carbon 6.67
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a The temperature 1250C so that the martensite is in ...View the full answer
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Related Book For
The Science And Engineering Of Materials
ISBN: 9781305076761
7th Edition
Authors: Donald R. Askeland, Wendelin J. Wright
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