한국분말재료학회지 (Journal of Powder Materials)

  • 제26권1호
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  • Pages.16-21
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  • 2019
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  • 2799-8525(pISSN)
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  • 2799-8681(eISSN)
한국분말재료학회 (*구 분말야금학회) (The Korean Powder Metallurgy & Materials Institute)
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비부식성 플럭스를 이용한 알루미늄 브레이징용 필러 소재의 저온 성형용 금속 복합 분말 개발

Development of Metal Composite Powder Non-corrosive Flux for Low Temperature Forming of the Aluminum Brazing Filler Material

  • 투고 : 2019.02.08
  • 심사 : 2019.02.20
  • 발행 : 2019.02.28
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초록

In aluminum brazing processes, corrosive flux, which is used in preventing oxidation, is currently raising environmental concerns because it generates many pollutants such as dioxin. The brazing process involving non-corrosive flux is known to encounter difficulties because the melting temperature of the flux is similar to that of the base material. In this study, a new brazing filler material is developed based on aluminum and non-corrosive flux composite powder. To minimize the interference of consolidation aluminum alloy powder by the flux, the flux is intentionally embedded in the aluminum alloy powder using a mechanical milling process. This study demonstrates that the morphology of the composite powder can be varied according to the mixing process, and this significantly affects the relative density and mechanical properties of the final filler samples.

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