Boronizing Effects On Impact Toughness Of Low Alloy Tool Steel

Mohd Ridhuan , Mohd Noor (2008) Boronizing Effects On Impact Toughness Of Low Alloy Tool Steel. Project Report. UTeM, Melaka,Malaysia. (Submitted)

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Abstract

The purpose of this work is to study and discuss the effects of boronizing on impact toughness of boronized low alloy tool steel through statistical analysis. The types of steel that was choose in this study is Low Alloy Ateel (A2). The specimens need to apply the surface hardened by using boronizing techniques in which boron atoms diffused into the metal substrate form the metallic boride layer. The unboronized and boronized of specimens at different value of temperatures and times will be analyzed in term of their toughness and other abilities through Charpy impact testing apparatus. Different in impact toughness values for each specimen that was boronized at various conditions will be further analyzed using Statistical Analysis to verify the effects of boronizing time and temperature on impact toughness. All of the causes were discussed. Conclusion have been made that boronizing process made the low alloy tool steel more ductile due to more energy absorb during fracturing.

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