Physical Meaning of Wetting Curve Traced by Meniscograph Wettability Tester (Report II) : Kinetic Consideration of Flux Action in Soldering(Welding Physics, Process & Instrument)
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概要
- 論文の詳細を見る
The wetting curve traced by a meniscograph wettability tester was made clear physically by investigating the kinetic theory on the action of the used flux. If the oxide film on a specimen is not removed by the flux before the specimen is dipped in the solder bath, the steep part in the wetting curve, i.e. the velocity of the solder rising on the specimen is dependent only on the dissolution rate of the oxide film by the flux. On the other hand, the dissolution is the reaction of the first or+6der and the rate constant was 0.55〜0.68/sec at 503K (230℃) and 0.011〜0.017/sec at room temperature and also the activation energy of the reaction was 22.2kJ/mol.
- 大阪大学の論文
著者
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Okamoto Ikuo
Osaka University
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MIZUTANI Masami
Osaka University
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Mizutani Masami
JWRI, Osaka University
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Okamoto Ikuo
Welding Research Institute Of Osaka University
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Mori Ikuo
Osaka University:(present Office)toshiba Ltd.
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Mori Ikuo
Osaka College Of Pharmacy
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TAKEMOTO Tadashi
Osaka University
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Takemoto Tadashi
Department of Experimental Radiology, Shiga University of Medical Science
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Takemoto Tadashi
Department Of Experimental Radiology Shiga University Of Medical Science
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Takemoto T
Osaka Univ. Osaka Jpn
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Mizutani M
Osaka Univ. Osaka Jpn
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Mizutani Masami
Jwri Osaka University
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