—The object of this work is to find means of increasing damping in the joints of a structure, similar to a riveted structure, by the use of plastic inserts in the joints.nInformation on the effect of pressure-cabin sealing and the adoption of spot-welded or Reduxf welding construction is also given.nThis report discusses the operation of an insert and the properties called for in service, and recommends four suitable materials for further tests.
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