Manganin jẹ orukọ ti o ni aami-iṣowo fun alloy ti deede 86% Ejò, 12% manganese, ati 2% nickel. O jẹ idagbasoke akọkọ nipasẹ Edward Weston ni ọdun 1892, ni ilọsiwaju lori Constantan rẹ (1887).

Alloy resistance pẹlu iwọntunwọnsi resistivity ati iwọn otutu kekere coefficent. Iwọn resistance / iwọn otutu ko jẹ alapin bi awọn alakan tabi awọn ohun-ini resistance ipata dara.

Manganin bankanje ati waya ti wa ni lilo ninu awọn iṣelọpọ ti resistors, paapa ammetershunts, nitori ti fere odo otutu olùsọdipúpọ ti resistance iye[1] ati ki o gun igba iduroṣinṣin. Ọpọlọpọ awọn resistors Manganin ṣiṣẹ bi boṣewa ofin fun ohm ni Amẹrika lati 1901 si 1990.[2] Okun Manganin tun lo bi adaorin itanna ni awọn ọna ṣiṣe cryogenic, idinku gbigbe ooru laarin awọn aaye eyiti o nilo awọn asopọ itanna.

A tun lo Manganin ni awọn iwọn fun awọn iwadii ti awọn igbi mọnamọna giga-titẹ (gẹgẹbi awọn ti ipilẹṣẹ lati iparun ti awọn ibẹjadi) nitori pe o ni ifamọ igara kekere ṣugbọn ifamọ titẹ hydrostatic giga.
Resistance ti Waya – 20 deg C Manganin Q = 44. x 10-6 ohm cm Gage B&S / ohms fun cm / ohms fun ft 10 .000836 .0255 12 .00133 .0405 14 .00211 .06.801 32. 00535 .163 20 .00850 .259 22 .0135 .412 24 .0215 .655 26 .0342 1.04 27 .0431 1.31 28 .0543 1.26 3.1 34 .218 6.66 36 .347 10.6 40 .878 26.8 Manganin Alloy CAS Nọmba: CAS # 12606-19-8

Awọn itumọ ọrọ sisọ
Manganin, Manganin Alloy, Manganin shunt, Manganin rinhoho, Manganin waya, nickel palara Ejò waya, CuMn12Ni, CuMn4Ni, Manganin Ejò alloy, HAI, ASTM B 267 Class 6, Kilasi 12, Kilasi 13. Kilasi 43,