Microstructure of FeCrAl alloy vacuum brazing with Ni82CrSiB filler metal - 文章详情页

作者：

Gao, Yong (Gao, Yong.) | Xia, Zhi-Dong (Xia, Zhi-Dong.) | Cui, Ying-Ya (Cui, Ying-Ya.)

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摘要：

The　FeCrAl　foil　was　coiled　into　a　round　porous　structure　and　it　was　brazed　in　vacuum　at　1070°C　for　10min　using　the　BNi82CrSiB　brazing　foils.　Results　showed　that　there　were　no　defects　on　the　surface,　and　the　sound　joint　was　obtained,　and　99%　(the　number　of　joints　is　about　8000)　of　the　solder　joints　were　connected.　The　microstructures　were　made　up　with　Ni-based　solid　solution,　inter-metallic　compounds　and　eutectic　structure.　It　was　shown　that　the　interface　reaction　products　were　γ-Ni,　FeNi3,　AlNi3,　CrB　and　Ni17Si3.　A　great　number　of　borides　were　formed　in　the　brazed　joint.

关键词：

Aluminum alloys Binary alloys Brazing Chromium alloys Eutectics Filler metals Fillers Iron alloys Microstructure Silicon alloys Ternary alloys Vacuum brazing

作者机构：

[ 1 ] [Gao, Yong]School of Materials Science and Engineering, Beijing University of Technology, Beijing 100124, China
[ 2 ] [Xia, Zhi-Dong]School of Materials Science and Engineering, Beijing University of Technology, Beijing 100124, China
[ 3 ] [Cui, Ying-Ya]School of Materials Science and Engineering, Beijing University of Technology, Beijing 100124, China

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