Method for welding tantalum layers to six faces of tungsten block in diffusion manner
A technology of tungsten block and tantalum sheet, which is applied in the field of welding of refractory metals, can solve the problems of expensive target components of tantalum-tungsten composite material, many electron beam welding processes, oxidation of tantalum surface, etc., so as to achieve low cost and reduce production cost. , the effect of simplifying the process
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[0029]The tungsten block to be processed in this example is a cuboid whose dimensions are 170mm×70mm×26mm in length×width×height. Therefore, in this example, a cylindrical titanium metal block with a diameter of 250 mm and a height of 34 mm is used to make the outer casing. Specifically, a square through hole with a length × width of 178.1 mm × 78.1 mm is cut in the height direction of the titanium metal cylinder. The square through hole runs through the titanium metal cylinder to obtain the titanium metal outer sheath of this example. At the same time, two titanium discs with a diameter of 250 mm and a thickness of 2 mm are prepared as caps. The dimensions of the six tantalum sheets are respectively, two tantalum sheets with length×width×thickness 174mm×74mm×2mm, two tantalum sheets with length×width×thickness 174mm×26mm×2mm, two tantalum sheets with length×width×thickness It is a tantalum sheet of 70mm×26mm×2mm, a total of six tantalum sheets, which are respectively attache...
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