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Metal-ceramic seal prodn - by depositing metal at the interface by vapour deposition then diffusion welding under pressure
Metal-ceramic seal prodn - by depositing metal at the interface by vapour deposition then diffusion welding under pressure
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机译:金属陶瓷密封产品-通过气相沉积在界面处沉积金属,然后在压力下进行扩散焊接
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摘要
Method of sealing a piece of ceramic to a piece of metal comprises forming a thin metal deposit by vapour deposition between the parts followed by diffusion welding under pressure and at a controlled temp. In particular, niobium is joined to alumina by applying a coating of niobium in a sealed chamber by reduction of niobium fluoride with hydrogen to produce the metallic deposit.
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