| 单词 | eutectic system |
| 释义 | > as lemmaseutectic system 10. Chemistry and Metallurgy. The set of the various phases that two or more given substances are capable of forming at different temperatures and pressures; a mixture of two or more substances considered in respect of its possible phases. Frequently with modifying term, as alloy system, eutectic system. ΘΚΠ the world > matter > chemistry > elements and compounds > metals > [noun] > metal phases system1888 society > occupation and work > materials > derived or manufactured material > metal > alloy > [noun] > set of phases system1888 1888 Jrnl. Chem. Soc. 54 1151 Three curves meet at this point representing the equilibria of the three systems of two phases which can be formed from these three phases. 1911 Jrnl. Inst. Metals 5 127 This diagram was the first attempt to construct what would in present-day terminology be the Equilibrium Diagram of the Copper-Zinc System. 1940 Chambers's Techn. Dict. 754/2 In alloys in a eutectic system (except the eutectic alloy), crystals of one metal are formed from a melt containing two. 1956 Monogr. & Rep. Ser. Inst. Metals No. 18. 73 In the lead-tin alloys, as in many other alloy systems, precipitation is accompanied by recrystallization. 1977 Sci. Amer. (U.K. ed.) July 82/3 Both cements are based on the ternary system of oxides of calcium, silicon and aluminum (CaO-SiO2-Al2O3). 2009 R. Abbaschian et al. Physical Metall. Princ. (ed. 4) ix. 267 Such a system is only possible when both components (pure metals) have the same valence. < as lemmas |
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