Direct Welding of Metals and Ceramics by Ultrasonic Vibration
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概要
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This paper describes the experimental results of ultrasonically welding ceramics and metals. In comparison to other methods, ultrasonic vibration is easier and quicker for welding ceramics, such as ZrO_2, SiC, and Si_3N_4, and metals such as aluminum, magnesium, and copper. In this study, ceramics and Mg were welded under the following conditions: amplitude, 30μm; welding pressure, 10MPa; required duration, 1.0s. Ultrasonic welding of the ceramics with metals was possible when the condition E=KPn<f(P,E) (E: energy density P: welding pressure) was satisfied and the welding interface temperature was in the range of 300-400℃. When the ceramics were preheated, welding was possible within a short time and under low pressure, and the material had good weldability even at a high temperature (200℃). It is presumed that in this environment, oxide and organic films are efficiently removed from the bonded interfaces by the vibration of ultrasonic waves.
- 2006-07-15
著者
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Imai Hisashi
Department Of Mechanical System Engineering Toyama Prefectural University
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Imai Hisashi
Department Of Mechanical System Engineering Toyama Prefecturel University
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MATSUOKA Sin-ichi
Department of Mechanical System Engineering, Toyama Prefecturel University
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Matsuoka Sin-ichi
Department Of Mechanical System Engineering Toyama Prefecturel University
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Imai Hisashi
Department Of Business Administration Yamanashi Gakuin University
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