autofrettage

Fetched 2026-10-26 (cache).

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Noun

1. A metal fabrication technique in which a pressure vessel is subjected to enormous pressure, causing internal portions of the part to yield plasticly, resulting in internal compressive residual stresses once the pressure is released.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.