Quenching-Tempering Effects On Hardness And Compression Strength Of Carburized Low Carbon Steel

Rashidah, Ismail (2008) Quenching-Tempering Effects On Hardness And Compression Strength Of Carburized Low Carbon Steel. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Variety of techniques and technologies has been applied in the he~t treatment of steels since long time before. The objective of the steel's heat treatment is to alter some of their properties to be fit with the application of the steels. This project studied the hardness and compression strength of heat treated low carbon steels using statistical analysis. The heat treatment that has been carried out on the low carbon steel are carburizing, quenching and tempering. The carburizing process is the pack carburizing with wilcarbo powder as the carburizing agent. Oil quenching and tempering were applied to the low carbon steel after the carburizing process. 1n order to determine the hardness and compression strength of the treated low carbon steel, Rockwell hardness test and compression test were used. The test results of the mechanical testing of the untreated and heat treated low carbon steel were compared and analysed using hypothesis test . The results of the hardness and compression strength together with the hypothesis test results were discussed and finally the findings of the studies were concluded.

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