I-Iron Chrome Aluminium (FeCrAl) ingxubevange zizinto ezixhathisa kakhulu ezisetyenziswa kwizicelo ezinobushushu obuphezulu bokusebenza ukuya kuthi ga kwi-1,400°C (2,550°F).
Ezi ngxubevange zeFerritic zaziwa ngokuba namandla aphezulu okulayisha umphezulu, ukumelana noxinzelelo oluphezulu kunye noxinzelelo olusezantsi kunokoNickel Chrome(NiCr) ezinye iindlela ezinokuguqulela kwizinto ezincinci kwisicelo kunye nokonga ubunzima. Awona maqondo aphezulu obushushu bokusebenza nawo anokukhokelela kubomi obude bento. I-Iron Chrome I-Aluminiyam ialloys yenza i-Aluminiyam Oxide ekhanyayo ekhanyayo (Al2O3) kumaqondo obushushu angaphezu kwe-1,000 ° C (1,832 ° F) eyandisa ukuxhathisa ukubola kunye nokusebenza njengesithinteli sombane. Ukubunjwa kwe-oxide kuthathwa njenge-self-insulating kwaye ikhusela ukujikeleza okufutshane xa kwenzeka isinyithi ukuya kwintsimbi. I-Iron Chrome Aluminiyam alloys anamandla angaphantsi koomatshini xa kuthelekiswaNickel Chromeizixhobo kunye namandla asezantsi arhubuluzayo.
IBanga | 1Cr13Al4 | TK1 | 0Cr25Al5 | 0Cr20Al6RE | 0Cr23Al5 | 0Cr19Al3 | 0Cr21Al6Nb | 0Cr27Al7Mo2 | |
Ukuqulunqwa kwegama% | Cr | 12.0-15.0 | 22.0-26.0 | 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 | 5.0-7.0 | 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 | ithuba | 0.04-1.0 | ithuba | ithuba | ithuba | ithuba | ithuba | ithuba | |
Fe | UBhal. | UBhal. | UBhal. | UBhal. | UBhal. | UBhal. | UBhal. | ||
Nb0.5 | Mo1.8-2.2 | ||||||||
Ubushushu bokusebenza okuphezulu(°C) | 650 | 1400 | 1250 | 1250 | 1250 | 1100 | 1350 | 1400 | |
Ukuxhathisa 20℃(Ω/mm2/m) | 1.25 | 1.48 | 1.42 | 1.40 | 1.35 | 1.23 | 1.45 | 1.53 | |
Ubuninzi (g/cm³) | 7.4 | 7.1 | 7.1 | 7.16 | 7.25 | 7.35 | 7.1 | 7.1 | |
I-Thermal Conductivity kwi-20℃,W/(M·K) | 0.49 | 0.49 | 0.46 | 0.48 | 3.46 | 0.49 | 0.49 | 0.49 | |
Umqathango Wokwandiswa kweCoefficient(×10¯6/℃)20-1000℃) | 15.4 | 16 | 16 | 14 | 15 | 13.5 | 16 | 16 | |
Emalunga nendawo yokunyibilika(℃) | 1450 | 1520 | 1500 | 1500 | 1500 | 1500 | 1510 | 1520 | |
Amandla okuqina (N/mm2 ) | 580-680 | 680-830 | 630-780 | 630-780 | 630-780 | 600-700 | 650-800 | 680-830 | |
Ubude (%) | ›16 | ›10 | ›12 | ›12 | ›12 | ›12 | ›12 | ›10 | |
Ukwahluka kweCandelo loKucutha ireyithi(%) | 65-75 | 65-75 | 60-75 | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 | |
Ukugoba ngokuphindaphindiweyo (F/R) | ›5 | ›5 | ›5 | ›5 | ›5 | ›5 | ›5 | ›5 | |
Ukuqina(HB) | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | |
Ulwakhiwo lweMicrographic | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | |
Ipropati yeMagnetic | Imagnethi | Imagnethi | Imagnethi | Imagnethi | Imagnethi | Imagnethi | Imagnethi | Imagnethi | |
Ubomi obukhawulezayo(h/℃) | no | ≥80/1350 | ≥80/1300 | ≥80/1300 | ≥80/1300 | ≥80/1250 | ≥50/1350 | ≥50/1350 |
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