| 单词 | quench ageing |
| 释义 | > as lemmasquench ageing quench ageing n. a process of improvement in the properties of steel, notably hardening, which occurs after the metal has been quenched from a high temperature. ΘΚΠ society > occupation and work > industry > working with specific materials > working with metal > [noun] > hardening, tempering, or annealing > heating followed by quenching > changes occurring after quench ageing1935 1935 Trans. Amer. Soc. Metals 23 1049 To one of the three most important examples of aging, found in practically all soft steels, the designation ‘Carbonizing’ has been given for purposes of this discussion. It has also been called ‘sub-critical quench-aging’. 1961 G. E. Dieter Mech. Metall. v. 137 Quench aging is a type of true precipitation hardening that occurs on quenching from the temperature of maximum solubility of carbon and nitrogen in ferrite. 1987 Proc. Royal Soc. A. 414 232 Supersaturated solid solutions of nitrogen in α-iron are known to be susceptible to quench ageing when held at room temperature. < as lemmas |
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