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铜磷钎料表观色度与表层成分演变的探讨

龙飞,何鹏,耿慧远,林铁松

龙飞,何鹏,耿慧远,林铁松. 铜磷钎料表观色度与表层成分演变的探讨[J]. 焊接学报, 2018, 39(12): 31-36. DOI: 10.12073/j.hjxb.2018390293
引用本文: 龙飞,何鹏,耿慧远,林铁松. 铜磷钎料表观色度与表层成分演变的探讨[J]. 焊接学报, 2018, 39(12): 31-36. DOI: 10.12073/j.hjxb.2018390293
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LONG Fei, HE Peng, GENG Huiyuan, LIN Tiesong. Discussion on apparent chromaticity and surface composition evolution of copper-phosphorus brazing filler metal[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2018, 39(12): 31-36. DOI: 10.12073/j.hjxb.2018390293
Citation: LONG Fei, HE Peng, GENG Huiyuan, LIN Tiesong. Discussion on apparent chromaticity and surface composition evolution of copper-phosphorus brazing filler metal[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2018, 39(12): 31-36. DOI: 10.12073/j.hjxb.2018390293
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铜磷钎料表观色度与表层成分演变的探讨

Discussion on apparent chromaticity and surface composition evolution of copper-phosphorus brazing filler metal

摘要

    摘要
  • 摘要: 文中简述了铜磷钎料的应用和加工技术发展现状，结合生产实际测试铜磷钎料在热加工过程中表观色度和表层成分，引入表观色度来预判铜磷钎料表层微区成分，并探讨成分与色度的关系. 以BCu89AgP和BCu91AgP两种常用铜磷钎料为典型代表，测出了他们在不同工艺条件下色度和表层微区成分演变结果，分析了铜磷钎料的变色机理，结果表明，色度与成分存在着一定的对应关系，为生产应用提供了重要参考. 针对色度演变情况和成分演变规律，提出了几条铜磷挤压和拉拔工艺原则，标定了铜磷钎料实际生产中希望得到“玫瑰红”色的色度范围，给出了挤压温度和拉拔温度建议.
    Abstract: In this paper, the application and development on processing technology of copper-phosphorus brazing filler metal were described. Combined with the actual production, the apparent chromaticity and surface composition of copper-phosphorus brazing filler metal were tested during thermal processing. The apparent chromaticity was introduced to predict the microficial composition of copper-phosphorus brazing filler metal, and the relationship between composition and chromaticity was discussed. To BCu89AgP and BCu91AgP, two kinds of copper-phosphorus brazing filler metals as typical representative, the results of chromaticity and surface microstructural evolution were measured under different process conditions, while the discoloration mechanism of copper-phosphorus brazing filler metal was analyzed. The results showed that the apparent color of copper-phosphorus brazing filler metal was closely related to the surface composition. Meanwhile, the correspondence between chroma and composition was proved, which provided an important reference for production and application. Aiming at the evolution of chromaticity and the law of composition evolution, several copper-phosphorus brazing filler metal extrusion and drawing processes were proposed. Finally, the color range of copper-phosphorus brazing filler metal in the hope of "rose red" in the actual production was calibrated, and the recommendations of extrusion temperature and drawing temperature were given.
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  • 收稿日期:  2017-06-12

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