Reference no: EM13866858
1. Perform a phase analysis and microstructure sketch for a 1035 plain carbon steel at (a) 723+oC, and (b) 723-oC. Show the lever rule calculation for one phase at each temperature.
3. Perform a phase analysis and microstructure sketch for a 1095 plain carbon steel at (a) 723+oC, and (b) 723-oC. Show the lever rule calculation for one phase at each temperature.
4. Using your phase analysis from Problem 3, determine: (a) The weight percent of proeutectoid ferrite; (b) The weight percent of proeutectoid cementite; (c) The weight percent of pearlite; (d) The weight percent of eutectoid ferrite; (e) The weight percent of eutectoid cementite.
7. Use Figure 9.23. (a) On the diagram sketch and label by number the following heat treating processes. (b) Prepare a table showing the process number, the product of each process, the type of quench (direct, interrupted, etc.), and common name of the process if applicable.
(1) Heat 1 hour at 860oC; water quench.
(2) Heat 1 hour at 860oC; quench in molten salt bath at 700oC; hold at 700oC for 2 hours; air cool.
(3) Heat 1 hour at 860oC; quench in molten salt bath at 350oC; hold at 350oC for 1 hour; air cool.
(4) Heat 1 hour at 860oC; quench in molten salt bath at 250oC; hold at 250oC for 1 minute; air cool.
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: 1. Perform a phase analysis and microstructure sketch for a 1035 plain carbon steel at (a) 723+oC, and (b) 723-oC. Show the lever rule calculation for one phase at each temperature.
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