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The Evaluation of Some Threaded Inserts

Report Number: AFML TR 78-107
Author: Brisbane, Alton W.
Corporate Author: Air Force Materials Laboratory
Laboratory: Air Force Materials Laboratory
Date of Publication: 1979-10-01
Pages: 175
Contract: Laboratory Research - No Contract
Project: 2418
Task: 241807
AD Number: ADA085070

This report presents: (1) fatigue data for 7075-T73 aluminum alloy plate containing threaded inserts; (2) the results of tests for determining the tensile load required to pull threaded insert out of the parent material; (3) the torque required to lock and unlock a bolt threaded into the insert and; (4) the susceptibility of the insert to corrosion when threaded into the parent material and exposed to a corrosive media. The types of threaded inserts evaluated consisted of solid wall bushings, helical coils, and the solid wall self-tapping bushings.

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