| 单词 | stretcher strain |
| 释义 | > as lemmasstretcher strain stretcher strain n. Metallurgy a furrowed marking on the surface of a metal produced by local deformation. ΘΚΠ society > occupation and work > materials > derived or manufactured material > metal > qualities of metals > [noun] > imperfections honeycomb1530 roll mark1894 hair crack1896 season crack1909 season cracking1910 snowflake1919 hairline crack1923 shrinkage cavity1923 clink1925 shatter crack1930 stretcher strain1931 pimpling1940 stringer1942 quench cracking1949 1931 Metal Progress Sept. 90/1 Stretcher strains (or more appropriately ‘worms’) are the shop names for the phenomenon known as the ‘Lines of Lüder’, after Lüder of Magdeburg, who first described them in 1860. 1971 Steel in U.S.S.R. I. 899 (heading) Causes of the formation of strain lines (stretcher strains) when drawing stainless-steel tubes. < as lemmas |
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