Siligga Pt-iridium waa birlab laba-geesood ah oo ku salaysan platinum oo ka kooban selenium. Waa xal adag oo joogto ah heerkulka sare. Marka si tartiib ah loo qaboojiyo ilaa 975 ~ 700 ºC, burburka wejiga adag ayaa dhaca, laakiin habka dheelitirka wejiga ayaa si aad ah u socda. Waxay si weyn u hagaajin kartaa iska caabbinta daxalka ee platinum-ka sababtoo ah fududaynta iyo oksaydhaynta. Waxaa jira Ptlr10, Ptlr20, Ptlr25, Ptlr30 iyo birlabyo kale, oo leh adkaansho sare iyo dhibic dhalaal sare, iska caabbinta daxalka sare iyo iska caabbinta xiriirka oo hooseeya, heerka daxalka kiimikada waa 58% platinum saafi ah, miisaanka oksaydhkuna waa 2.8mg/g. Waa walxo taabasho koronto oo caadi ah. Waxaa loo isticmaalaa xiriirada dab-shidka sare ee matoorada hawada, xiriirada korontada ee relaysyada leh xasaasiyad sare iyo matoorada Wei; potentiometers iyo burushyada giraanta gudbiyaha ee dareemayaasha saxda ah sida diyaaradaha, gantaalada iyo gyroscopes
Qalabka:
Waxaa si weyn loogu isticmaalaa warshadaha kiimikada, fiilooyinka, iyo qalabka korontada
| Alaab | Barta dhalaalaysa (ºC) | Cufnaanta (G/cm3) | Vickers-ka adag Jilicsan | Vickers-ka adag Adag | Xoogga jilicsanaanta (MPa) | Iska caabin (uΩ.cm)20ºC |
| Platinum (99.99%) | 1772 | 21.45 | 40 | 100 | 147 | 10.8 |
| Pt-Rh5% | 1830 | 20.7 | 70 | 160 | 225 | 17.5 |
| Pt-Rh10% | 1860 | 19.8 | 90 | 190 | 274 | 19.2 |
| Pt-Rh20% | 1905 | 18.8 | 100 | 220 | 480 | 20.8 |
| Platinum-Ir (99.99%) | 2410 | 22.42 | ||||
| Platinum-Pt saafi ah (99.99%) | 1772 | 21.45 | ||||
| Pt-Ir5% | 1790 | 21.49 | 90 | 140 | 174 | 19 |
| Pt-lr10% | 1800 | 21.53 | 130 | 230 | 382 | 24.5 |
| Pt-Ir20% | 1840 | 21.81 | 200 | 300 | 539 | 32 |
| Pt-lr25% | 1840 | 21.7 | 200 | 300 | 238 | 33 |
| Pt-Ir30% | 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% | 1850 | 21.3 | 200 | 360 | 588 | 62 |
| Tilmaamaha: 0.015~1.2(mm) oo ah silig wareegsan, xarig: 60.1~0.5(mm) | ||||||
| Codsiyada: Dareemayaasha Gaaska. Dareemayaal kala duwan, qaybaha caafimaadka. Baadhayaasha korontada iyo kuleyliyaha, iwm. | ||||||
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