Birta Chrome Aluminium Resistance Alloys
Birta Chrome Aluminium (FeCrAl) birta ah waa agab iska caabin sare leh oo caadi ahaan loo isticmaalo codsiyada leh heerkulka ugu badan ee hawlgalka ilaa 1,400°C (2,550°F).
Daloolada Ferritic-ga ah waxaa la og yahay inay leeyihiin awood sare oo rarista dusha sare, iska caabin sare iyo cufnaan ka hooseeya kuwa kale ee Nickel Chrome (NiCr) kuwaas oo u tarjumi kara walxo yar marka la isticmaalayo iyo kaydinta miisaanka. Heerkulka hawlgalka ugu sarreeya ee ugu sarreeya ayaa sidoo kale horseedi kara cimri dheer oo curiye ah. Daloolada Birta Chrome Aluminium waxay sameeyaan Aluminium Oxide (Al2O3) oo cawlan oo khafiif ah heerkul ka sarreeya 1,000°C (1,832°F) kaas oo kordhiya iska caabbinta daxalka sidoo kalena u dhaqma sidii dahaadh koronto. Samaynta oksaydhka waxaa loo arkaa inay is-daboosho waxayna ka ilaalisaa wareegga gaaban haddii ay birta iyo birta taabato. Daloolada Birta Chrome Aluminium waxay leeyihiin xoog farsamo oo hooseeya marka la barbar dhigo walxaha Nickel Chrome iyo sidoo kale xoog hoos u dhaca.
Qeexitaanka Nooca Wareega ah ee Sawir-qaadashada Qabowsilig kululayn
| Dhexroor (mm) | Dulqaadka (mm) | Dhexroor (mm) | Dulqaadka (mm) |
| 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 |
Qeexitaanka Nooca Xarig-sawir Qabowsilig kululayn
| Dhumuc (mm) | Dulqaadka (mm) | Ballaca (mm) | Dulqaadka (mm) |
| 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 |
| Nooca Daawaha | Dhexroorka | Iska caabin | Gariir | Kordhinta (%) | Laablaabid | Ugu badnaan. Joogto ah | Nolosha Shaqada |
| 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 | >8000 | |
| 0Cr27Al7Mo2 | 0.03-12.0 | 1.53±0.07 | 686-784 | >12 | >5 | 1400 | >8000 |
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