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Unformatted text preview: o at 6.7 wt% C Fe 3 C, iron carbide, cementite steels and cast irons have less than 6.7 wt% C • combination of Fe & Fe 3 C Fe 3 C is very hard and brittle • Can dramatically increase the strength of steels o Commercially pure Fe less than 0.008 wt% C o Steels 0.008 wt% C – 2.14 wt% C 1040 steel .4 wt% C Eutectoid Steel .76 wt% C o cast irons 2.14 wt% C – wt% C Ternary Phase Diagrams (Three) o Function of composition for one temperature (isotherm)...
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This note was uploaded on 04/07/2008 for the course ENGR 240 taught by Professor Gross during the Fall '07 term at Bucknell.
- Fall '07