Prìs Stoc 1mm * 10mm 0Cr25Al5 Ribbon Còmhnard Cruinn Burr Stiall Uachdar Soilleir
1. Ro-ràdh
Aloidhean FeCrAl a thathas a’ cleachdadh ann an raon farsaing de thagraidhean teòthachd àrd.
Tha co-èifeachd strì an aghaidh teòthachd ìosal aig Constantan [Cu55Ni45] agus mar aloidh copair, tha e furasta a thàthadh. Am measg aloidhean eile le strì an aghaidh seasmhach tha manganin [Cu86Mn12Ni2], Cupron [Cu53Ni44Mn3] agus Evanohm.
Tha strì an aghaidh àrd, co-èifeachd strì an aghaidh teòthachd ìosal, feachd electromotive ìosal (comas Galvani) nuair a bhios iad ann an conaltradh ri copar, neart tensile àrd, agus tha iad cuideachd gu math seasmhach a thaobh làimhseachadh teas, aig teaghlach Evanohm de aloidhean nicil-cròim [Ni72Cr20Mn4Al3Si1], [Ni73Cr20Cu2Al2Mn1Si].
2. Sònrachadh:
| Ìre | Prìomh cho-dhèanamh ceimigeach | Teòthachd as àirde ℃ | Frith-sheasmhachd µΩ.m | Puing leaghaidh ℃ | Neart teannachaidh N/mm² | Fàsachadh % | Beatha obrach u/℃ | Magnetic feartan | |||
| Cr | Al | Ni | Fe | ||||||||
| OCr21Al4 | 17-21 | 3-4 | - | - | 1100 | 1.23±0.06 | 1500 | 750 | ≥12 | ≥80/1250 | magnetach |
| OCr25Al5 | 23-26 | 4.5-6.5 | - | - | 1250 | 1.42±0.07 | 1500 | 750 | ≥12 | ≥80/1300 | magnetach |
| OCr21Al6Nb | 21-23 | 5-7 | - | - | 1350 | 1.43±0.07 | 1510 | 750 | ≥12 | ≥50/1350 | magnetach |
| OCr27Al7Mo2 | 22-24 | 5-7 | - | - | 1400 | 1.53±0.07 | 1520 | 750 | ≥10 | ≥50/1350 | magnetach |
| KSC | 26.8-27.8 | 6-7 | - | - | 1350 | 1.44±0.05 | 1510 | 750 | ≥16 | ≥60/1350 | magnetach |
| Cr20Ni80 | 20-23 | - | fois | ≤1.0 | 1200 | 1.09±0.05 | 1400 | 750 | ≥20 | ≥80/1200 | Neo-mhagnaiteach |
| Cr30Ni70 | 30 | - | fois | ≤1.0 | 1250 | 1.18±0.05 | 1380 | 750 | ≥20 | ≥50/1250 | Neo-mhagnaiteach |
| Cr15Ni60 | 15-18 | - | 55 | fois | 1150 | 1.12±0.05 | 1390 | 750 | ≥20 | ≥80/1150 | Neo-mhagnaiteach |
| Cr20Ni35 | 18-21 | - | 35 | fois | 1100 | 1.04±0.05 | 1390 | 750 | ≥20 | ≥80/1100 | Magnetach lag |
| Cr20Ni30 | 20 | - | 32 | fois | 1100 | 1.04±0.05 | 1390 | 750 | ≥20 | ≥80/1100 | Magnetach lag |
3.
| Stuth | Frith-sheasmhachd (ohm-cmil/ft) | Frith-sheasmhachd (10−6ohm-cm) |
|---|---|---|
| Alùmanum | 15.94 | 2,650 |
| Pràis | 42.1 | 7.0 |
| Carbon (neo-chruthach) | 23 | 3.95 |
| Constantan | 272.97 | 45.38 |
| Copar | 10.09 | 1.678 |
| Iarann | 57.81 | 9.61 |
| Manganin | 290 | 48.21 |
| Molaibdenum | 32.12 | 5.34 |
| Niocróim | 675 | 112.2 |
| Nichrome V | 650 | 108.1 |
| Nicil | 41.69 | 6.93 |
| Platanam | 63.16 | 10.5 |
| Stàilinn gun smal (304) | 541 | 90 |
| Stàilinn (0.5% carbon) | 100 | 16.62 |
| Sinc | 35.49 | 5.90 |
150 0000 2421