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  • SPACE VEHICLES  (1)
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  • 1
    facet.materialart.
    Unknown
    Method of fabricating an article with cavities (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: An article having a cavity with a thin bottom wall is provided by assembling a thin sheet, for example, a metal sheet, adjacent to the surface of a member having one or more apertures. A bonding adhesive is interposed between the thin sheet and the subadjacent member, and the thin sheet is subjected to a high fluid pressure. In order to prevent the differential pressure from being exerted against the thin sheet, the aperture is filled with a plug of solid material having a linear coefficient of thermal expansion higher than that of the member. When the assembly is subjected to pressure, the material is heated to a temperature such that its expansion exerts a pressure against the thin sheet thus reducing the differential pressure.
    Keywords: SPACE VEHICLES
    Format: application/pdf
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