Study On Fracture Toughness In Low Carbon Steel Using Compact Specimens With And Without Carburizing

Khairul Idzham, Hasni (2008) Study On Fracture Toughness In Low Carbon Steel Using Compact Specimens With And Without Carburizing. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Study on Fracture Toughness in Low Carbon Steel carries the objectives to analyze the effect on fracture toughness on Low Carbon Steel in two conditions; with and without carburizing. Other than that is to compare the effect on fracture toughness between carburizing and without carburizing. Carbon Steel type AISI 1020 is the selected material for this study. Compact Tension (CT) specimen is the type of specimen used for this study with standard constraint followed by ASTM E399. Ten specimens will be prepared through manufacturing processes and five of will be carburized using pack carburizing process. There are three types of testing methods will be conducted starts with Tensile Test to get the maximum load and yield strength for both conditions. Fatigue Pre-Cracking Test will be conducted after Tensile Test to prepare the specimens with pre-crack in the range of 2mm to 2.5mm. Next, Fracture Toughness Test is the last method to carry out to complete the finding of the study. Universal Testing Machine; Instron 8802 will be used to conduct all testing methods. The results between both conditions will be compared in analitical method in order to achieve the desired target of this study.

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