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논문 기본 정보

자료유형
학술저널
저자정보
Man Gyu Hur (Sungkyunkwan University) Mi Kyung Shin (Sungkyunkwan University) Deug Joong Kim (Sungkyunkwan University) Dae Ho Yoon (Sungkyunkwan University)
저널정보
대한금속·재료학회 Metals and Materials International Metals and Materials International Vol.24 No.2
발행연도
2018.1
수록면
301 - 305 (5page)

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Tungsten metal powder was added to recycled WC nano powder to control the macro and micro defects of WC hardmetal. The macro and micro defects caused by the excess carbon in the recycled WC powder were markedly removed after theaddition of tungsten metal powder ranging from 2 to 6 wt%. The density and hardness of the WC hardmetals also increaseddue to the removal of defects after adding the tungsten metal powder. The density and hardness of WC hardmetals with theaddition of W metal powder ranged from 8 to 12 wt% increased linearly as the W metal powder content increased due to theformation of a new (Co- and W-rich WC) composition. The surface morphology of the WC hardmetals was observed viafield emission scanning electron microscopy, and a quantitative elemental analysis was conducted via X-ray fluorescencespectrometry and energy dispersive X-ray analysis. The density and hardness of the WC hardmetals were respectivelymeasured using an analytical balance and a Vikers hardness tester. The effect on the defects in the recycled WC hardmetalsthrough the addition of the tungsten metal powder was discussed in detail.

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