Uaea fa'avevela tete'e eletise Fecral Alloy 0cr21al4(OhmAlloy 123, FCHW-2)
O le 0Cr21Al4 o se tasi ituaiga o mea masani o le uʻamea faʻafefiloi Fe-Cr-Al.
O le uʻamea faʻafefiloi FeCrAl e iai le uiga o le teteʻe maualuga, le teteʻe atu i le vevela maualalo, le vevela maualuga o le faʻagaioiga, lelei le teteʻe atu i le oxidation ma le teteʻe atu i le corrosion i lalo o le vevela maualuga.
E faʻaaogaina lautele i alamanuiaogaumu, masini eletise i totonu o fale, ogaumu fa'apisinisi, u'amea, masini, vaalele, ta'avale, militeri ma isi alamanuia e gaosia ai elemene fa'avevela ma elemene tete'e.
O le FeCrAl, o se aiga o uʻamea-chromium-alumini (Kanthal APM, A-1, D ma le AF ma isi) e faʻaaogaina i le tele o ituaiga teteʻe ma faʻaoga i le vevela maualuga, e faʻaaogaina foʻi i le tulaga o uaea teteʻe.
Igoa: uaea fa'avevela
lanu: fa'a'okesaita pe susulu
Afifi: Pusa pepa po'o le pusa laupapa e pei ona mana'omia
Fa'aoga: faia o masini fa'avevela e pei o le ogaumu fa'apisinisi, masini fa'avevela sivili, tete'e eletise eseese ma tete'e taofi o le locomotive
| Fa'ailogaina | Vaega | |||||||
| Ni | Fe | Zn | Mn | Cu | AI | Cr | Si | |
| NCHW-1 | 77 Minute | 2.5 Maualuga | 19~21 | 0.75~1.5 | ||||
| NCHW-2 | 57 Minute | 1.5 Maualuga | 15~18 | 0.75~1.5 | ||||
| FCHW-1 | toe | 1.0 Maualuga | 4.0~6.0 | 23~26 | 1.5 Minute | |||
| FCHW-2 | toe | 1.0 Maualuga | 2.0~4.0 | 17~22 | 1.5 Minute | |||
Tele o fua:
Uaea: 0.01-10mm
Lipine: 0.05*0.2-2.0*6.0mm
Fa'alava: 0.05*5.0-5.0*250mm
Pa:10-50mm
Fa'asologa o u'amea fa'afefiloi FeCrAl: OCr15Al5,1Cr13Al4, 0Cr21Al4, 0Cr21Al6, 0Cr23Al5, 0Cr25Al5, 0Cr21Al6Nb, 0Cr27Al7Mo2, ma isi.


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