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Vol.11, No.3, 227 ~ 231, 1973
Title
Effect of Al on Liquid Boronizing (1)
한봉희 B . H . Hann
Abstract
The effect of aluminium addition into the molten borax on the boronized depth in a mild steel has been studied quantitatively. Experiments were made with the molten borax, which was previously dehydrated at 450℃ and held at 900℃. The amounts of aluminium added ranged from 0 to 20% for the predetermined holding time. Although the boronized layer was not detected in case of the only borax-molten solution, the boron-penetrated depth was increased as increasing the amounts of aluminium added and the holding time. The micro-hardness of the boronized layer was about 10 times as hard as the mild steel.
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