Microstructure Analysis On Heat Treated Carbon Steel Material Subjected To External Flame Heating Process (Due To Warpage Control)

Mohammad Faiz, Yahani (2012) Microstructure Analysis On Heat Treated Carbon Steel Material Subjected To External Flame Heating Process (Due To Warpage Control). Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The thesis is about to study and analyze the change of internal structure of heat treated carbon steel that have been subjected with external flame heating process. The heat treated carbon steel can warp because of many factors such as temperature gradient, rapid heating /cooling and else as a results of extreme temperature during heat treating process. The warped steels cannot proceed to further production stage and need to be repaired. In some steel factories, external flame heating process is used to straighten back the warped parts. But the process required high temperature and the internal structure of steel can be change. So, the purpose of this thesis is to analyze the microstructure change of straightened steel. The material used for this project is carbon steel (AISI 1025) and the carbon steel have been undergone heat treatment process until warped and then be straighten back using external flame heating process. The straightened carbon steel is examined using microscope and the microstructure is compared with non-straighten warped carbon steel.

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