Nkọwa Izugbe
A na-eji ihe dị elu nke ferritic iron-chromium-aluminum alloy eme FeCrAl alloy, nke enwere ike iji na okpomọkụ ruo ogo 1350. A na-ejikarị ya eme ihe maka0Cr21Al6Nb dị ka eletrikiihe na-ekpo ọkụn'ime ụlọ ọkụ dị elu n'ime ụlọ ọrụ seramiiki, iko, ígwè, na ụlọ ọrụ eletrọniki.
Atụmatụ:
Na-arụ ọrụ ogologo oge. Na-ekpo ọkụ ngwa ngwa. Ọ na-arụ ọrụ nke ọma na okpomọkụ. Ọ na-adị ka otu okpomọkụ. Enwere ike iji ya n'elu. Mgbe ejiri ya na voltaji a tụrụ aro, ọ dịghị ihe na-agbanwe agbanwe. Ọ bụ waya ọkụ eletrik na-echebe gburugburu ebe obibi. Ọ bụkwa ihe ọzọ maka waya nichrome dị oke ọnụ. Enwere ike ịhazi ya dịka ihe ndị ahịa chọrọ si dị.
A na-ahụ ihe ndị dị na FeCrAl alloys site na ezigbo iguzogide oxidation na ezigbo nkwụsi ike ọdịdị nke na-eme ka ihe dị ndụ ogologo oge.
A na-ejikarị ha eme ihe na eletriki eletrikihe na-ekpo ọkụs na ọkụ ụlọ ọrụ mmepụta ihe na ngwa ụlọ.
Ngwakọta Fe-Cr-Al nwere oke iguzogide na okpomọkụ ọrụ karịa nke alloy NiCr ma nweekwa ọnụ ahịa dị ala.
Ngwa
0Cr21Al6A na-ejikarị eriri resistor eletriki ígwè-chrome-aluminum eme ihe maka imepụta ihe ndị na-ekpo ọkụ eletrik n'ụlọ na ọkụ ụlọ ọrụ mmepụta ihe. A na-ejikarị ya eme ihe dịka ígwè dị larịị, igwe na-agba ígwè, ihe na-ekpo ọkụ mmiri, ihe eji akpụ plastik, ígwè na-agba ígwè, ihe ndị e ji ígwè kpuchie, na ihe ndị e ji katrij mee.
mpaghara ngwa
A na-eji ngwaahịa anyị eme ihe n'ọtụtụ ebe n'ihe gbasara akụrụngwa ọgwụgwọ okpomọkụ, akụkụ ụgbọala, mmepụta ígwè na ígwè,
ụlọ ọrụ aluminom, akụrụngwa ígwè, akụrụngwa petrochemical, igwe iko, igwe seramiiki,
igwe nri, igwe ọgwụ, na ụlọ ọrụ injinia ike.
Ọdịnaya Kemịkalụ, %
| Ihe alloy | Ihe mejupụtara kemịkalụ % | |||||||||
| C | P | S | Mn | Si | Cr | Ni | Al | Fe | ndị ọzọ | |
| kacha (≤) | ||||||||||
| 1Cr13Al4 | 0.12 | 0.025 | 0.025 | 0.7 | ≤1.00 | 12.5-15.0 | - | 3.5-4.5 | Ezumike | - |
| 0Cr15Al5 | 0.12 | 0.025 | 0.025 | 0.7 | ≤1.00 | 14.5-15.5 | - | 4.5-5.3 | Ezumike | - |
| 0Cr25Al5 | 0.06 | 0.025 | 0.025 | 0.7 | ≤0.60 | 23.0-26.0 | ≤0.60 | 4.5-6.5 | Ezumike | - |
| 0Cr23Al5 | 0.06 | 0.025 | 0.025 | 0.7 | ≤0.60 | 20.5-23.5 | ≤0.60 | 4.2-5.3 | Ezumike | - |
| 0Cr21Al6 | 0.06 | 0.025 | 0.025 | 0.7 | ≤1.00 | 19.0-22.0 | ≤0.60 | 5.0-7.0 | Ezumike | - |
| 0Cr19Al3 | 0.06 | 0.025 | 0.025 | 0.7 | ≤1.00 | 18.0-21.0 | ≤0.60 | 3.0-4.2 | Ezumike | - |
| 0Cr21Al6Nb | 0.05 | 0.025 | 0.025 | 0.7 | ≤0.60 | 21.0-23.0 | ≤0.60 | 5.0-7.0 | Ezumike | Tinye Nb0.5 |
| 0Cr27Al7Mo2 | 0.05 | 0.025 | 0.025 | 0.2 | ≤0.40 | 26.5-27.8 | ≤0.60 | 6.0-7.0 | Ezumike | |
Isi njirimara teknụzụ nke FeCrAl Alloy:
| Akara Ngwaahịa | 1Cr13Al4 | 1Cr21Al4 | 0Cr21Al6 | 0Cr23Al5 | 0Cr25Al5 | 0Cr21Al6Nb | 0Cr27Al7Mo2 | |
| Isi ihe mejupụtara kemịkalụ% | Cr | 12.0-12.5 | 17.0-21.0 | 19.0-22.0 | 20.5-23.5 | 23.0-26.0 | 21.0-23.0 | 26.5-27.8 |
| Al | 4.0-6.0 | 2.0-4.0 | 5.0-7.0 | 4.2-5.3 | 4.5-6.5 | 5.0-7.0 | 6.0-7.0 | |
| Fe | Nhazi nguzozi | Nhazi nguzozi | Nhazi nguzozi | Nhazi nguzozi | Nhazi nguzozi | Nhazi nguzozi | Nhazi nguzozi | |
| Re | Kwesịrị ekwesị | Kwesịrị ekwesị | Kwesịrị ekwesị | Kwesịrị ekwesị | Kwesịrị ekwesị | Kwesịrị ekwesị | Kwesịrị ekwesị | |
| Mgbakwunye Nb:0.5 | MgbakwunyeMo:1.8-2.2 | |||||||
| Oke okpomọkụ ojiji nke ihe mejupụtara ya kachasị | 950 | 1100 | 1250 | 1250 | 1250 | 1350 | 1400 | |
| Ebe Mgbaze | 1450 | 1500 | 1500 | 1500 | 1500 | 1510 | 1510 | |
| Njupụta g/cm3 | 7.40 | 7.35 | 7.16 | 7.25 | 7.10 | 7.10 | 7.10 | |
| Nguzogide μΩ·m,20 | 1.25±0.08 | 1.23±0.06 | 1.42±0.07 | 1.35±0.06 | 1.45±0.07 | 1.45±0.07 | 1.53±0.07 | |
| Ike nrụgide Mpa | 588-735 | 637-784 | 637-784 | 637-784 | 637-784 | 637-784 | 684-784 | |
| Ọnụego ndọtị% | 16 | 12 | 12 | 12 | 12 | 10 | ||
| Ugboro ugboro nke ịgbagọ agbagọ | 5 | 5 | 5 | 5 | 5 | |||
| Ibuli ngwa ngwa h/ | - | 80/1300 | 80/1300 | 50/1350 | ||||
| Okpomọkụ kpọmkwem J/g. | 0.490 | 0.490 | 0.520 | 0.460 | 0.494 | 0.494 | 0.494 | |
| Ọnụọgụ Ọkụ Na-eduzi KJ/Mh | 52.7 | 46.9 | 63.2 | 60.1 | 46.1 | 46.1 | 45.2 | |
| Ọnụọgụ mgbasawanye kwụ ọtọ aX10-6/(20-1000) | 15.4 | 13.5 | 14.7 | 15.0 | 16.0 | 16.0 | 16.0 | |
| Ike HB | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | |
| Nhazi obere ihe | Ferritic | Ferritic | Ferritic | Ferritic | Ferritic | Ferritic | Ferritic | |
| Magnetik | Magnetik | Magnetik | Magnetik | Magnetik | Magnetik | Magnetik | Magnetik | |
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