单词 | shot-peening |
释义 | > as lemmasshot-peening shot-peening n. [see peen v.] the use of a stream of hard metal particles directed against a metal part to harden and strengthen its surface. ΘΚΠ society > occupation and work > industry > working with specific materials > working with metal > [noun] > hardening, tempering, or annealing > other types of hardening case-hardening1666 precipitation hardening1926 martempering1943 shot-peening1944 marquenching1947 1944 H. F. Moore Shot Peening & Fatigue of Metals (Amer. Foundry Equipment Co.) 5/1 The metal just below the shot-peened layer is somewhat affected by the shot peening. 1956 F. H. Keating Chromium-nickel Austenitic Steels v. 70 Well substantiated claims have been made for improvement in fatigue-resistance by shot-peening, which introduces compressive stresses in the surface layers. 1962 Engineering 23 Mar. 403/2 85 per cent of the metal is machined away on electronically controlled milling machines before being curved by press or shot-peening. < as lemmas |
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