| 单词 | strain ageing |
| 释义 | > as lemmasstrain ageing strain ageing n. Metallurgy the cold working of iron and steel followed by ageing, either at room temperature or at temperatures up to the recrystallization temperature; also, the resultant increase in hardness and decrease in ductility. ΘΚΠ society > occupation and work > industry > working with specific materials > working with metal > [noun] > hardening, tempering, or annealing > cold working cold work1899 strain hardening1914 work hardening1917 strain ageing1934 1934 Proc. Amer. Soc. Testing Materials 34 ii. 48 The authors have applied the principle that strain ageing and blue brittleness of ferrous materials are but different manifestations of the same phenomenon. 1967 A. H. Cottrell Introd. Metall. xxi. 394 In mild steel strain ageing usually takes a few days at room temperature, or about 30 minutes at 100°C, the rate being controlled by the diffusion of nitrogen and carbon atoms. < as lemmas |
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