| 单词 | subcritical annealing |
| 释义 | > as lemmassubcritical annealing 3. Metallurgy. Occurring or performed below the critical temperature above which ferrite changes into austenite. Esp. in subcritical annealing. ΘΚΠ society > occupation and work > industry > working with specific materials > working with metal > [noun] > hardening, tempering, or annealing > types of annealing box annealing1884 Réaumur process1898 pot annealing1925 subcritical annealing1930 process annealing1936 society > occupation and work > industry > working with specific materials > working with metal > [adjective] > converting iron to steel > temperature for conversion subcritical1930 1930 Trans. Amer. Inst. Mining & Metall. Engineers (Techn. Publ. No. 348) 5 The quenching to this subcritical temperature must be rapid enough to preserve the austenite essentially unchanged. 1935 M. A. Grossmann Princ. Heat Treatm. viii. 113 Subcritical annealing will not induce as much softness as a full anneal. 2008 M. F. McGuire Stainless Steels Design Engineers xiii. 166/1 Unstabilized grades should not be welded, and if they are, full subcritical annealing is required. < as lemmas |
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