Describe what the microstructures would be for 3 samples of 1095 steel alloy that were heated to 900 degrees celsius for one hour then cooled the following ways: 1.) Water quenched 2.) Air cooled 3.) Furnace Cooled
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95% carbon content. When heated to 900 degrees Celsius, it enters the austenite phase, where the carbon is dissolved in the iron matrix. Show more…
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Q2 Suppose that Eutectoid steel and 4340 alloy steel are welded between themselves. The heat-affected zone of welded structures are cooled using conditions as listed below. Using suitable figures and tables, estimate the microstructures and mechanical properties that can be formed for welded Eutectoid steel and 4340 alloy steel separately. Compare the results in detail: a) The average cooling rate of the heat-affected zone is 1°C/s. b) The average cooling rate of the heat-affected zone is 0.1°C/s. c) Isothermally quenched in oil. d) Isothermally quenched in air. e) Recommend the suitable cooling conditions for each part.
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