Solubility and Dissolution Rate of Ni Base Alloy to Molten Ag-Cu-Pd Brazing Filler(<Special Issue>Recent Advances in Materials and Processing (I))
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概要
- 論文の詳細を見る
During the brazing process of the rocket engine's nozzle skirt assembly made from Fe-Ni based super alloy pipes with Pd based brazing filler, the erosion corrosion pits were sometimes engraved on those pipes' surface. The corrosion is considered to be assisted by the dynamic flow of the molten brazing filler. In order to estimate the amount of erosion corrosion and to prevent it, the solubility and the dissolution rate of Ni to the molten Ag-Cu-Pd brazing filler are measured experimentally. The Ni crucible poured with the Ag-Cu-Pd brazing filler was heated up to 1320K and quenched after the various keeping time. The microstructure of the solidified brazing filler part's cross sections was observed, and the amount of the dissolved Ni was estimated using the image processing technique. The solubility was about 5.53 mass% and the initial dissolution rate was 6.28×10^<-3> mass%/s. Using these data, more elaborate dynamic flow simulation will be able to conduct.
- 2005-10-15
著者
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SUZUMURA Akio
Department of Neuroimmunology, Research Institute of Environmental Medicine, Nagoya University
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Suzumura A
Tokyo Inst. Of Technol. Tokyo Jpn
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Suzumura A
Department Of Neuroimmunology Research Institute Of Environmental Medicine Nagoya University
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Suzumura Akio
Department Of Mechanical And Aerospace Engineering Tokyo Institute Of Technology
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IKESHOJI Toshi-Taka
Department of Mechanical and Aerospace Engineering, Graduate School of Science and Engineering, Toky
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YAMAZAKI Takahisa
Department of Mechanical and Aerospace Engineering, Graduate School of Science and Engineering, Toky
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WATANABE Yuki
Graduate School of Tokyo Institute of Technology
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Yamazaki Takahisa
Department Of Mechanical And Aerospace Engineering Tokyo Institute Of Technology
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Ikeshoji T
Department Of Mechanical And Aerospace Engineering Graduate School Of Science And Engineering Tokyo
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Ikeshoji Toshi
Department Of Mechanical And Aerospace Engineering Tokyo Institute Of Technology
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IKESHOJI Toshi-Taka
Department of Mechanical & Aerospace Engineering, Tokyo Institute of Technology
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SUZUMURA Akio
Department of Mechanical & Aerospace Engineering, Tokyo Institute of Technology
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YAMAZAKI Takahisa
Department of Mechanical & Aerospace Engineering, Tokyo Institute of Technology
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