Method for manufacturing a structure comprising cavities
AssigneeCommissariat A L'energie Atomique Et Aux Energies Alternatives
InventorsMathieu MONTEREMAND, Julien CIGNA
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Abstract
A method for manufacturing a structure comprising cavities, the method comprising the following steps: a) forming recessed areas in a first face of a substrate made of a first material, b) depositing a plate made of a second material over the first face of the substrate, so as to cover the recessed areas of the substrate, c) carrying out a resistance welding, an electron-beam welding or a transparent laser welding, preferably under vacuum, around the recessed areas, whereby the plate is welded onto the substrate and cavities are formed, and d) carrying out a step of hot isostatic pressing diffusion welding on the obtained assembly.
Claims18
A method for manufacturing a structure comprising cavities, the method comprising the following steps:
- a) forming recessed areas in a first face of a substrate made of a first material,
- b) depositing a plate made of a second material over the first face of the substrate, so as to cover the recessed areas of the substrate,
- c) carrying out a resistance transparent welding under vacuum or a transparent laser-in-vacuum welding, around the recessed areas, whereby the plate is welded onto the substrate and cavities are formed, and
- d) carrying out a step of hot isostatic pressing diffusion welding on the obtained assembly.
A structure comprising:
- a substrate made of a first material comprising recessed areas in a first face of the substrate, and
- a plate made of a second material covering the recessed areas of the substrate, the plate being welded onto the substrate around the recessed areas by a weld obtained by vacuum transparency, by resistance welding or by laser welding and by hot isostatic pressing diffusion, the recessed areas delimited by the substrate and the plate forming cavities.
Dependencies are inferred from the claim text.