1394°C 7+2 C2. Use the Fe-C phase diagram 1. If you plan to use 1020 steel to create a dual phase steel containing 50% (

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1394 C 7 2 C2 Use The Fe C Phase Diagram 1 If You Plan To Use 1020 Steel To Create A Dual Phase Steel Containing 50 1 (110.1 KiB) Viewed 51 times

1394°C 7+2 C2. Use the Fe-C phase diagram 1. If you plan to use 1020 steel to create a dual phase steel containing 50% (amount) ferrite and 50% martensite. (1) Design a heat treatment process 1200 2. Temperature (°C) 1000 912°C y+Fezc 800 0.77 0.022 600 a Feyc (ii) What are the carbon contents of ferrite and martensite, respectively? 400 0 (Fe) 0.4 0.8 1 2 6.67 2. Consider an equilibrium condition (slow cooling), if a plain carbon steel contains 13.5% cementite and 86,5% alpha ferrite at room temperature, 1) What AISI steel number would this be? (ii) Sketch the microstructure of this steel at room temperature. Mark the phases