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Metallographic diagram of 45 steel (tempered at 200-600°C)
Abstract
The microstructure of 45 steel after different types of heat treatment is studied. In this experiment, 45 steel samples were heated to different temperatures within 200~600℃ for quenching and tempering. Metallographic specimens were made and etched with picral to observe the microstruct......
20/06/2023 
1052 
Hannah 
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