Strength of Titanium Joints Brazed with Aluminum Filler Metals(Physics, Process, Instrument & Measurement)
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概要
- 論文の詳細を見る
Joint strengths of aluminum to titanium (Al/Ti) braze joint and titanium to titanium (Ti/Ti) braze joint were investigated in relations to the filler metal composition and brazing conditions. In Al/Ti joints, Al-10Si-Mg filler metal offered better results than Al-Cu-Sn and Al-Ag-Cu filler metals. Fracture occurred within filler metals in the former filler metal and at interface between filler metal and titanium base metal in the latter ones. In Ti/Ti joints, lap joint fractured at base metal under low temperature and short time brazing conditions. Increase of brazing temperature and time degraded the braze joint quality, decrease of strength and quality of appearance. The rate of degradation was lower in filler metal with lower intermetallic compound growth rate than filler metal with higher growth rate. Lower growth rate of intermetallic compound layer was obtained in silicon bearing filler metals. The use of commercial aluminum alloys with silicon as impurities such as 3003 is recommended as brazing filler metals for making Ti/Ti joint.
- 大阪大学の論文
著者
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Okamoto Ikuo
Osaka University
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Okamoto Ikuo
Welding Research Institute Of Osaka University
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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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NAKAMURA Hideyuki
Osaka University
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Nakamura H
Osaka University:(present Office)ube Industries Ltd.
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