Characteristics of Cemented Carbide Tools Fabricated Using Reclaimed WC-Co Powders | ebook

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Characteristics of Cemented Carbide Tools Fabricated Using Reclaimed WC-Co Powders

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영문명
발행기관: 위기관리 이론과 실천
저자명: Duck Hyun Lee
간행물 정보: 『JSCM(Journal of Safety and Crisis Management)』Vol.15 No.1, 75~81쪽, 전체 7쪽
주제분류: 사회과학 > 행정학
파일형태: PDF
발행일자: 2025.01.31

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국문 초록

This study examines the fabrication of WC-Co (tungsten carbide-cobalt) strips using reclaimed WC powders, with the aim of enhancing recycling rates and minimizing waste in the production of wear-resistant machine components. WC-Co materials are extensively used in industries such as automotive and electronics due to their exceptional wear resistance. Despite their widespread application, the recycling of used WC-Co strips has been constrained by the deterioration of mechanical properties, particularly hardness. This research focuses on optimizing the Co content and powder mixture ratio to enhance the hardness of WC-Co tools. The findings reveal that maintaining the Co content below 13 wt% mitigates its adverse effects on hardness. Additionally, achieving an ideal balance between reclaimed and virgin WC powders is crucial for enhancing the hardness of the resulting WC-Co strips. The incorporation of reclaimed WC powder at an optimized ratio facilitates a tailored grain size, leading to improved material hardness. This study highlights the potential for increasing recycling efficiency and reducing waste during WC-Co tool production, while maintaining or even enhancing their wear resistance and mechanical properties.

영문 초록

키워드

cemented carbide tool wear-resistant high-hardness low-swelling reclaimed powder

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