Compact system for ceramics joining using explosive interlayer metal foil

Conference Record of the Twenty-Fifth International Power Modulator Symposium, 2002 and 2002 High-Voltage Workshop. Pub Date : 2002-06-30 DOI:10.1109/MODSYM.2002.1189542

I. Takaki, Y. Takada, M. Itagaki, S. Mukaigawa, T. Fujiwara, S. Ohshima, K. Oyama, I. Takahashi, T. Kuwashima

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引用次数: 1

Abstract

A capacitor discharge joining technique used to fabricate alumina (Al/sub 2/O/sub 3/) tile-titanium foil-Al/sub 2/O/sub 3/ tile joint was investigated to optimize the energy injected into the foil. The large current was supplied to the foil sandwiched with Al/sub 2/O/sub 3/ tiles using storage capacitor which was charged up to several kVs. The Al/sub 2/O/sub 3/ tiles were successfully bonded when the charged voltage in the capacitor was same value with the energy required for vaporization of the titanium foils. The bonding strength increases with energy input to the foil. The bonding also increases from 600 to 1250 N shear strength with increasing compression stress on the Al/sub 2/O/sub 3/ tiles from 1.1 to 4.2 MPa at use of 5 mm width titanium foil as the interlayer. An investigation of the interfacial structure of the joints using electron probe micro-analysis revealed that distinct reaction areas existed in the interlayers.

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使用爆炸性层间金属箔的陶瓷连接紧凑系统

采用电容放电连接技术制备氧化铝(Al/sub 2/O/sub 3/)瓦-钛箔-Al/sub 2/O/sub 3/瓦接头，优化了注入箔的能量。使用充电到几kv的存储电容器，将大电流提供给夹有Al/sub 2/O/sub 3/瓷砖的箔片。当电容器中的充电电压与钛箔汽化所需的能量相同时，Al/sub / 2/O/sub / 3/瓦成功结合。结合强度随着能量输入箔的增加而增加。当使用5 mm宽的钛箔作为夹层时，Al/sub 2/O/sub 3/瓦的抗压应力从1.1 MPa增加到4.2 MPa，其抗剪强度也从600 N增加到1250 N。利用电子探针对接头的界面结构进行了微观分析，发现在夹层中存在明显的反应区。

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Conference Record of the Twenty-Fifth International Power Modulator Symposium, 2002 and 2002 High-Voltage Workshop.

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