Ingxubevange yeFeCrAlI-Coil ye-Foil/ i-Strip Coil 0.05mm Ubungqingqwa be-Metallic Honeycomb Substrates

Umxholo ophezulu we-aluminium, ngokudibanisa nomxholo ophezulu we-chromium ubangela ukuba izinga lokushisa linyuke ukuya kwi-1425 C (2600F); Ngaphantsi kwesihloko sokumelana nobushushu, eziIngxubevange yeFeCrAls zithelekiswa nezisetyenziswa ngokuqhelekileyo i-Fe kunye ne-Ni base alloys. Njengoko kunokubonwa kule theyibhile, iIngxubevange yeFeCrAls zineempawu eziphezulu xa kuthelekiswa nezinye ialloyi kwiindawo ezininzi.

Kufuneka kuqatshelwe ukuba, ngexesha lokutshintsha kweemeko zeqondo lokushisa, ukongezwa kwe-yttrium kwi-alloy ye-AF eyaziwa ngokuba yi-alloys ye-Fecralloys, iphucula ukuthotyelwa kwe-oxide ekhuselayo, okwenza ubomi benkonzo yamacandelo kwi-alloy ye-AF ubude kune-alloy. A-1 ibakala.

Iingcingo ze-Fe-Cr-Al zenziwe nge-iron chromium aluminiyam isiseko se-alloys equlethe ixabiso elincinci lezinto ezisebenzayo ezifana ne-yttrium kunye ne-zirconium kwaye ziveliswa ngokunyibilikisa, ukuqengqeleka kwentsimbi, ukubumba, ukudibanisa, ukudweba, ukunyangwa kwendawo, uvavanyo lokulawula ukuchasana, njl.
Ucingo lwe-Fe-Cr-Al lwabunjwa ngomatshini wokupholisa wesantya esiphezulu apho amandla ombane alawulwa yikhompyuter, afumaneka njengecingo kunye neribhoni(umcu).

Iimpawu kunye neenzuzo
1. Ukusetyenziswa okuphezulu kweqondo lokushisa, ubushushu bokusebenzisa ubuninzi bunokufikelela kwi-1400C (0Cr21A16Nb, 0Cr27A17Mo2, njl.)
2. I-coefficient yokushisa ephantsi yokumelana
3. I-coefficient yokwandisa i-thermal ephantsi kune-Ni-base super-alloys.
4. Ukumelana nombane ophezulu
5. Ukumelana ne-corrosion elungileyo phantsi kobushushu obuphezulu, ngakumbi phantsi kwe-atmospheric equkethe i-sulfides
6. Umthwalo ophezulu womhlaba
7. I-Creep-resistant
8. Ixabiso elisezantsi lezinto ezikrwada, Uxinaniso olusezantsi kunye nexabiso eliphantsi xa kuthelekiswa nocingo lweNichrome.
9. Ukumelana ne-oxidation ephezulu kwi-800-1300ºC
10. Ubomi benkonzo ende

Ukwenziwa kwezigaba ze-alumina ze-metastable ngenxa ye-oxidation yorhweboIngxubevange yeFeCrAliingcingo (0.5 mm ubukhulu) kumaqondo obushushu ahlukeneyo kunye namaxesha sele ihlolwe. Iisampulu zafakwa kwi-isothermally oxidised emoyeni kusetyenziswa i-thermogravimetric analyzer (TGA). I-morphology yeesampuli ze-oxidised yahlalutywa kusetyenziswa i-Electronic Scanning Electron Microscope (ESEM) kunye ne-X-ray kuhlalutyo lomphezulu lwenziwa kusetyenziswa i-Energy Dispersive X-Ray (EDX) analyzer. Ubuchwephesha be-X-Ray Diffraction (XRD) busetyenziswe ukubonakalisa isigaba sokukhula kweoksidi. Uphononongo lulonke lubonise ukuba kunokwenzeka ukukhulisa i-gamma alumina kwindawo ephezuluIngxubevange yeFeCrAlimiphezulu yocingo xa isothermally oxidised ngaphezu 800°C ngaphezulu kweeyure eziliqela.