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Brazing Inconel 625 Using Two Ni/(Fe)-Based Amorphous Filler Foils

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Abstract

For MBF-51 filler, the brazed joint consists of interfacial grain boundary borides, coarse Nb6Ni16Si7, and Ni/Cr-rich matrix. In contrast, the VZ-2106 brazed joint is composed of interfacial Nb6Ni16Si7 precipitates as well as grain boundary borides, coarse Nb6Ni16Si7, and Ni/Cr/Fe-rich matrix. The maximum tensile strength of 443 MPa is obtained from the MBF-51 brazed specimen. The tensile strengths of VZ-2106 brazed joints are approximately 300 MPa. Both amorphous filler foils demonstrate potential in brazing IN-625 substrate.

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The authors gratefully acknowledge the financial support of this research by National Science Council, Republic of China under NSC Grant 99-2221-E-002-120-MY3.

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Authors and Affiliations

  1. Department of Materials Science and Engineering, National Taiwan University, Taipei, 106, Taiwan R.O.C.

    Wen-Shiang Chen (Graduate Student) & Ren-Kae Shiue (Professor)

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  1. Wen-Shiang Chen
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  2. Ren-Kae Shiue
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Correspondence to Ren-Kae Shiue.

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Manuscript submitted November 9, 2011.

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Chen, WS., Shiue, RK. Brazing Inconel 625 Using Two Ni/(Fe)-Based Amorphous Filler Foils. Metall Mater Trans A 43, 2177–2182 (2012). https://doi.org/10.1007/s11661-012-1174-9

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  • DOI: https://doi.org/10.1007/s11661-012-1174-9

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