Hlau Chrome Aluminium Resistance Alloys
Cov hlau hlau Chrome Aluminium (FeCrAl) yog cov khoom siv tiv taus siab uas feem ntau siv rau hauv cov ntawv thov nrog qhov kub siab tshaj plaws txog li 1,400 ° C (2,550 ° F).
Cov Ferritic alloys no paub tias muaj peev xwm thauj khoom saum npoo av siab dua, tiv taus siab dua thiab qis dua li Nickel Chrome (NiCr) lwm txoj hauv kev uas tuaj yeem txhais tau tias cov khoom siv tsawg dua hauv kev siv thiab txuag qhov hnyav. Qhov kub siab tshaj plaws ntawm kev ua haujlwm kuj tseem tuaj yeem ua rau lub neej ntev dua. Hlau Chrome Aluminium alloys tsim cov xim grey Aluminium Oxide (Al2O3) ntawm qhov kub siab dua 1,000 ° C (1,832 ° F) uas ua rau muaj kev tiv thaiv corrosion ntxiv rau ua haujlwm ua lub rwb thaiv hluav taws xob. Cov oxide tsim yog suav tias yog tus kheej-insulating thiab tiv thaiv kev luv luv circuiting hauv qhov xwm txheej ntawm hlau rau hlau sib cuag. Hlau Chrome Aluminium alloys muaj lub zog kho tshuab qis dua thaum piv rau Nickel Chrome cov ntaub ntawv nrog rau qis dua creep zog.
Kev Qhia Txog Hom Khaub Ncaws Txiashlau cua sov
| Txoj kab uas hla (hli) | Kev kam rau siab (hli) | Txoj kab uas hla (hli) | Kev kam rau siab (hli) |
| 0.03-0.05 | ±0.005 | >0.50-1.00 | ±0.02 |
| >0.05-0.10 | ±0.006 | >1.00-3.00 | ±0.03 |
| >0.10-0.20 | ±0.008 | >3.00-6.00 | ±0.04 |
| >0.20-0.30 | ±0.010 | >6.00-8.00 | ±0.05 |
| >0.30-0.50 | ±0.015 | >8.00-12.0 | ±0.4 |
Kev Qhia Txog Hom Kab Hlau Txiashlau cua sov
| Thickness (hli) | Kev kam rau siab (hli) | Dav (hli) | Kev kam rau siab (hli) |
| 0.05-0.10 | ±0.010 | 5.00-10.0 | ±0.2 |
| >0.10-0.20 | ±0.015 | >10.0-20.0 | ±0.2 |
| >0.20-0.50 | ±0.020 | >20.0-30.0 | ±0.2 |
| >0.50-1.00 | ±0.030 | >30.0-50.0 | ±0.3 |
| >1.00-1.80 | ±0.040 | >50.0-90.0 | ±0.3 |
| >1.80-2.50 | ±0.050 | >90.0-120.0 | ±0.5 |
| >2.50-3.50 | ±0.060 | >120.0-250.0 | ±0.6 |
| Hom hlau nplaum | Txoj kab uas hla | Kev tiv taus | Tensile | Kev ntev (%) | Khoov | Max.Nruab Nrab | Lub Neej Ua Haujlwm |
| 1Cr13Al4 | 0.03-12.0 | 1.25 ± 0.08 | 588-735 | >16 | >6 | 950 | >10000 |
| 0Cr15Al5 | 1.25 ± 0.08 | 588-735 | >16 | >6 | 1000 | >10000 | |
| 0Cr25Al5 | 1.42 ± 0.07 | 634-784 | >12 | >5 | 1300 | >8000 | |
| 0Cr23Al5 | 1.35 ± 0.06 | 634-784 | >12 | >5 | 1250 | >8000 | |
| 0Cr21Al6 | 1.42 ± 0.07 | 634-784 | >12 | >5 | 1300 | >8000 | |
| 1Cr20Al3 | 1.23 ± 0.06 | 634-784 | >12 | >5 | 1100 | >8000 | |
| 0Cr21Al6Nb | 1.45 ± 0.07 | 634-784 | >12 | >5 | 1350 xyoo | >8000 | |
| 0Cr27Al7Mo2 | 0.03-12.0 | 1.53±0.07 | 686-784 | >12 | >5 | 1400 | >8000 |
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