单词 | manganin |
释义 | manganinn. Engineering. Any of various alloys of copper, manganese, and nickel whose electrical resistance is approximately constant over a range of temperatures and which are used chiefly in the manufacture of electrical measuring instruments and resistors.A proprietary name in the United Kingdom. ΘΚΠ society > occupation and work > materials > derived or manufactured material > metal > alloy > [noun] > other copper alloys tombac1602 blanched copper1621 orichalcum1646 cock metal1766 gold bronze1785 bidri1794 tumbaga1860 Aich's metal1861 sterro-metal1865 talmi1868 Abyssinian gold1869 delta-metal1883 Tobin bronze1891 manganin1894 Eureka1914 1894 Amer. Jrnl. Sci. 148 302 I have..had occasion to determine the thermo-electric relations of copper to such platinoid and manganine as are to be obtained in the market. 1925 H. C. Booth tr. F. Auerbach Mod. Magnetics (U.K. ed.) iv. 77 The decisive constituent [of the alloys discovered by Heusler] is manganin, the others are copper and aluminium. 1953 Copper in Instrumentation i. 64 The Manganin wire-resistance pressure gauge, which he developed for work with pressures of 500 atmospheres and above, is now accepted as the standard gauge. 1966 New Scientist 22 Dec. 681/2 A Whealstone bridge with opposing resistance arms of copper and manganin wire. 1989 A. C. Davies Sci. & Pract. Welding (ed. 9) I. iv. 164 The current flows..to a piece of apparatus called a ‘resistor’. This consists of wire usually made of an alloy, such as manganin, nichrome or eureka. This entry has been updated (OED Third Edition, September 2000; most recently modified version published online March 2022). < |
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