Study On Tempering Effects In Gas Carburized Low Carbon Steel

Nazliah, Abdul (2008) Study On Tempering Effects In Gas Carburized Low Carbon Steel. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The hardness and compression stress of AISI 1020 steel surface improved by various heat treatments such as carburizing and tempering were tested. Samples prepared from the test materials were treated at gases carburizing medium and then tempered. The hardness and compression distribution were measured. According to ASTM E9-89a standard, the specimen was fabricated with length to diameter ratio of 2.0 and the surface must be flattening to proceed the compression test. The hardness and compression strength of AISI 1020 were determined and compared with other treated steel samples. Rockwell hardness testing machine was used to obtain the hardness value based on ASTM E18-03 standard and compression testing was conducted using Universal Testing Machine (UTM) to measure the compression strength based on ASTM E9-89a standard. The hardness of carburized steel was not as expected. Compression strength results are increased after the treatment with very minimal values.

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