Pt-iridium hlau yog ib qho platinum-based binary alloy uas muaj selenium. Nws yog ib qho khoom khov kho tas mus li ntawm qhov kub siab. Thaum maj mam txias rau 975 ~ 700 ºC, cov khoom khov kho decomposition tshwm sim, tab sis cov txheej txheem sib npaug theem mus qeeb heev. Nws tuaj yeem txhim kho qhov corrosion tsis kam ntawm platinum vim nws yooj yim volatilization thiab oxidation. Muaj Ptlr10, Ptlr20, Ptlr25, Ptlr30 thiab lwm yam alloys, nrog rau qhov nyuaj siab thiab qhov chaw melting siab, corrosion tsis kam siab thiab tsis tshua muaj kev sib cuag, tus nqi corrosion tshuaj yog 58% ntawm platinum ntshiab, thiab qhov hnyav oxidation poob yog 2.8mg / g. Nws yog ib qho khoom siv hluav taws xob classic. Siv rau kev sib cuag siab ntawm aero-engines, kev sib cuag hluav taws xob ntawm relays nrog kev nkag siab siab thiab Wei motors; potentiometers thiab conductive ring brushes ntawm precision sensors xws li dav hlau, missiles thiab gyroscopes.
Khoom siv:
Siv dav hauv cov nroj tsuag tshuaj, filaments, spark plugs
| Khoom siv | Qhov kub yaj (ºC) | Qhov Ceev (G/cm3) | Vickers hardnes Mos mos | Vickers hardnes Nyuaj | Lub zog tensile (MPa) | Kev tiv taus (uΩ.cm)20ºC |
| Platinum (99.99%) | 1772 xyoo | 21.45 | 40 | 100 | 147 | 10.8 |
| Pt-Rh5% | 1830 xyoo | 20.7 | 70 | 160 | 225 | 17.5 |
| Pt-Rh10% | 1860 xyoo | 19.8 | 90 | 190 | 274 | 19.2 |
| Pt-Rh20% | 1905 xyoo | 18.8 | 100 | 220 | 480 | 20.8 |
| Platinum-Ir (99.99%) | 2410 | 22.42 | ||||
| Platinum ntshiab-Pt (99.99%) | 1772 xyoo | 21.45 | ||||
| Pt-Ir5% | 1790 xyoo | 21.49 | 90 | 140 | 174 | 19 |
| Pt-lr10% | 1800 xyoo | 21.53 | 130 | 230 | 382 | 24.5 |
| Pt-Ir20% | 1840 xyoo | 21.81 | 200 | 300 | 539 | 32 |
| Pt-lr25% | 1840 xyoo | 21.7 | 200 | 300 | 238 | 33 |
| Pt-Ir30% | 1860 xyoo | 22.15 | 210 | 300 | 242 | 32.5 |
| Pt-Ni10% | 1580 xyoo | 18.8 | 150 | 320 | 441 | 32 |
| Pt-Ni20% | 1450 xyoo | 16.73 | 220 | 400 | 588 | 34.1 |
| Pt-w% | 1850 xyoo | 21.3 | 200 | 360 | 588 | 62 |
| Cov Lus Qhia: 0.015 ~ 1.2 (hli) hauv cov hlau puag ncig, kab txaij: 60.1 ~ 0.5 (hli) | ||||||
| Daim Ntawv Thov: Cov pa roj sensors. Ntau yam sensors, cov khoom siv kho mob. Cov khoom siv hluav taws xob thiab cua sov, thiab lwm yam. | ||||||
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