Okun Pt-iridium jẹ alloy alakomeji ti o da lori Pilatnomu ti o ni selenium ninu. O ti wa ni a lemọlemọfún ri to ojutu ni ga otutu. Nigbati o ba tutu laiyara si 975 ~ 700 ºC, jijẹ ipele ti o lagbara waye, ṣugbọn ilana iwọntunwọnsi alakoso tẹsiwaju laiyara. O le ni ilọsiwaju ilọsiwaju ipata ti Pilatnomu nitori iyipada irọrun rẹ ati ifoyina. Ptlr10 wa, Ptlr20, Ptlr25, Ptlr30 ati awọn alloy miiran, pẹlu lile lile ati aaye yo giga, resistance ipata giga ati resistance olubasọrọ kekere, oṣuwọn ipata kemikali jẹ 58% ti Pilatnomu mimọ, ati pipadanu iwuwo oxidation jẹ 2.8mg/g . O ti wa ni a Ayebaye itanna olubasọrọ ohun elo. Ti a lo fun awọn olubasọrọ ina giga ti awọn ẹrọ aero-ero, awọn olubasọrọ itanna ti awọn relays pẹlu ifamọ giga ati awọn ọkọ ayọkẹlẹ Wei; potentiometers ati awọn gbọnnu oruka conductive ti awọn sensosi konge gẹgẹbi ọkọ ofurufu, awọn misaili ati awọn gyroscopes
Ohun elo:
Ti a lo ni lilo pupọ ni awọn ohun ọgbin kemikali, awọn filamenti, awọn pilogi sipaki
Ohun elo | Ibi yo (ºC) | Ìwúwo (G/cm3) | Vickers lile Rirọ | Vickers lile Lile | Agbara fifẹ (MPa) | Resistivity (uΩ.cm)20ºC |
Platinum (99.99%) | Ọdun 1772 | 21.45 | 40 | 100 | 147 | 10.8 |
PT-Rh5% | Ọdun 1830 | 20.7 | 70 | 160 | 225 | 17.5 |
PT-Rh10% | Ọdun 1860 | 19.8 | 90 | 190 | 274 | 19.2 |
PT-Rh20% | Ọdun 1905 | 18.8 | 100 | 220 | 480 | 20.8 |
Platinum-Ir (99.99%) | 2410 | 22.42 | ||||
Platinum mimọ-Pt (99.99%) | Ọdun 1772 | 21.45 | ||||
Pt-Ir5% | Ọdun 1790 | 21.49 | 90 | 140 | 174 | 19 |
Pt-lr10% | 1800 | 21.53 | 130 | 230 | 382 | 24.5 |
Pt-Ir20% | Ọdun 1840 | 21.81 | 200 | 300 | 539 | 32 |
Pt-lr25% | Ọdun 1840 | 21.7 | 200 | 300 | 238 | 33 |
PT-Ir30% | Ọdun 1860 | 22.15 | 210 | 300 | 242 | 32.5 |
PT-Ni10% | 1580 | 18.8 | 150 | 320 | 441 | 32 |
PT-Ni20% | 1450 | 16.73 | 220 | 400 | 588 | 34.1 |
Pt-w% | Ọdun 1850 | 21.3 | 200 | 360 | 588 | 62 |
Awọn pato: 0.015 ~ 1.2 (mm) ni okun waya yika, rinhoho: 60.1 ~ 0.5 (mm) | ||||||
Awọn ohun elo: Awọn sensọ gaasi. Awọn sensọ oriṣiriṣi, awọn paati iṣoogun. Ina ati alapapo wadi, ati be be lo. |