NASA NTRS · 19870000507
Pin Inserts for Plug Welds
Abstract
Leakage through minute cracks eliminated. Electron-beam-welded pins reinforce material around coolant holes during plug welding and subsequent remachining. Pins removed in final machining of 0.188-in diameter hole.
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Penninger, Michael. 1987-10-01. Pin Inserts for Plug Welds. https://ntrs.nasa.gov/citations/19870000507
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