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Alkrothal 720 No.1 JR FeCrAl Alloy maka breeki resistor
Alkrothal 720 Nọmba 1 JRmaka brake resistor
Ngwa a na-ahụkarị maka Alkrothal 720 dị na rheostats, braking resistors, wdg. A na-ejikwa ya dị ka ihe ọkụ ọkụ eletrik na ngwa mmepụta ihe.
Alkrothal 720 bụ iron-chromium-aluminium alloy (FeCrAl alloy) maka ojiji na okpomọkụ ruo 1000°C (1830°F).
Nyocha aha
| Cr | Al | Fe |
| 12.0-15.0 | 4.0-6.0 | Nhazi |
Ihe eji arụ ọrụ
| Okpomọkụ ọrụ na-aga n'ihu nke ukwuu: Resistivity 20ºC: Njupụta: Nrụpụta okpomọkụ: Ọnụọgụ nke Mgbasa ọkụ ọkụ: Ebe mgbaze: Mgbatị: Ọdịdị Micrographic: Akụrụngwa magnetik: | 950ºC 1.25ohm mm2/m 7.40g / cm3 52.7 KJ/m·h·ºC 15.4×10-6/ºC (20ºC ~ 1000ºC) 1450ºC Nkeji 16% Ferrite magnetik |
Nha: Ọkpụrụkpụ 0.01-7mm, obosara 0.5-1000mm
Elu: BA, 2B
Isi ike: Dị nro, Ọkara siri ike, siri ike
Ejirila ya nke ukwuu dị ka nnukwu ike breeki resisor na ọkụ ọkụ.
O nwere obere ike dị ọkụ karịa Tophet alloys mana ebe mgbaze dị elu.
Ụgwọ nke ụlọ ọrụ Shanghai TANKII ALOY MATERIAL Co., Ltd.
FECRAL NA ALCHROME ALOY PRODUCER NA China, ọkachamma ọkachamara n'ụwa.
Anyị na-emepụtakwa akararị n'okpuru:
0Cr15Al5 na 0Cr19Al3, wdg.
| Ngwakọta kemịkalụ na isi ihe nke Fe-Cr-Al Resistance Alloy | ||||||||
| Ọkwa Njirimara | 1Cr13Al4 | 0Cr25Al5 | 0Cr21Al6 | 0Cr23Al5 | 0Cr21Al4 | 0Cr21Al6Nb | 0Cr27Al7Mo2 | |
| Isi ihe mejupụtara kemịkalụ (%) | Cr | 12.0-15.0 | 23.0-26.0 | 19.0-22.0 | 22.5-24.5 | 18.0-21.0 | 21.0-23.0 | 26.5-27.8 |
| Al | 4.0-6.0 | 4.5-6.5 | 5.0-7.0 | 4.2-5.0 | 3.0-4.2 | 5.0-7.0 | 6.0-7.0 | |
| Re | ohere | ohere | ohere | ohere | ohere | ohere | ohere | |
| Fe | Bal. | Bal. | Bal. | Bal. | Bal. | Bal. | Bal. | |
| Nb0.5 | Mo1.8-2.2 | |||||||
| Okpomọkụ na-aga n'ihu nke ukwuu (oC) | 950 | 1250 | 1250 | 1250 | 1100 | 1350 | 1400 | |
| Resisivity 20oC (Ωmm2/m) | 1.25 ±0.08 | 1.42 ±0.06 | 1.42 ±0.07 | 1.35 ±0.07 | 1.23 ±0.07 | 1.45 ±0.07 | 1.53 ±0.07 | |
| Njupụta (g/cm3) | 7.4 | 7.1 | 7.16 | 7.25 | 7.35 | 7.1 | 7.1 | |
| Nrụpụta okpomọkụ | 52.7 | 46.1 | 63.2 | 60.2 | 46.9 | 46.1 | 45.2 | |
| (KJ/m@h@oC) | ||||||||
| Ọnụọgụ nke Mgbasa ọkụ (α×10-6/oC) | 15.4 | 16 | 14.7 | 15 | 13.5 | 16 | 16 | |
| Ebe mgbaze ihe (oC) | 1450 | 1500 | 1500 | 1500 | 1500 | 1510 | 1520 | |
| Ike Tensile (N/mm2) | 580-680 | 630-780 | 630-780 | 630-780 | 600-700 | 650-800 | 680-830 | |
| Mgbatị(%) | >16 | >12 | >12 | >12 | >12 | >12 | >10 | |
| Mgbanwe nke ngalaba | 65-75 | 60-75 | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 | |
| Ọnụego mbelata (%) | ||||||||
| Na-ehulata ugboro ugboro (F/R) | >5 | >5 | >5 | >5 | >5 | >5 | >5 | |
| Isi ike (HB) | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | |
| Oge ọrụ na-aga n'ihu | no | ≥80/1300 | ≥80/1300 | ≥80/1300 | ≥80/1250 | ≥50/1350 | ≥50/1350 | |
| Ọdịdị Micrographic | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | |
| Ihe onwunwe magnetik | Magnetik | Magnetik | Magnetik | Magnetik | Magnetik | Magnetik | Magnetik | |
Dee ozi gị ebe a ziga anyị ya
