= blue brittleness n.; cf. red-shortness n. at red-short, n. adj.derivatives.
| 单词 | θ216610 |
| 释义 | society > occupation and work > materials > derived or manufactured material > metal > steel > [noun] > brittleness (3) blue shortness1886 = blue brittleness n.; cf. red-shortness n. at red-short, n. adj.derivatives. blue brittleness1911 brittleness that is sometimes found in steel at temperatures typically between about 200 and 350°C (high enough for a film of blue oxide to form… temper-brittleness1918 notch-brittleness produced in certain types of steel when it is held in or cooled slowly through a certain temperature range. |
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