발간논문

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Vol.17, No.3, 239 ~ 247, 1979
Title
Study on the Mechanical Properties of High Strength Low Alloy Steels with Vanadium
김용규Yong Kyu Kim, 이후철Hoo Chul Lee, 윤종규Chong Kyu Yoon, 김상주Sang Joo Kim
Abstract
Effect of vanadium contents and tempering temperature on the mechanical properties of low carbon vanadium steel was studied with V content ranging from zero to 0.16% and tempering temperature of 500℃, 600℃ and 700℃. As the results, hardness, tensile strength, yield strength and wear resistance were increased with the increase of vanadium content and the maximum value was shown when 0.106% of vanadium was added and tempered at 600℃ for 1 hr. Vanadium carbides were dispersed in ferrite and randomly precipitated at dislocation sites. The improvement of the mechamical properties was interpreted in terms of grain refinement and locking of dislocations due to vanadium carbides.
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