Meaning of autofrettage in English:
autofrettage
noun
The process of strengthening a tube, especially a gun barrel, by subjecting it to internal pressure high enough to enlarge the bore and push the inner metal (but not the outer metal) beyond its elastic limit.
Pronunciation
autofrettage
/ˈɔːtə(ʊ)ˌfrɛtɪdʒ/ /ˌɔːtə(ʊ)frɛˈtɑːʒ/Origin
Early 20th century. From auto- + frettage, after French autofrettage.
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