Nɛgɛ min bɛ se ka funteni kɛlɛ, o bɛ sɔrɔ tuma bɛɛ .
Ka kɛɲɛ ni baarakɛcogo danfaralenw ye, nɛgɛ min bɛ funteni kɛlɛ, o bɛ tila ka kɛ nɛgɛ ye min bɛ se ka oksidan kɛlɛ ni oksidan ye i n’a fɔ baara kɛcogo fɔlɔ ani funteni fanga ni funteni fanga ka bon i n’a fɔ baarakɛcogo kunba jogo.
1 resistance oxide steel resistance oxide a fanba la carbon qualité fraction de la haute cr steel, cer che nécile de cher de cer de cr-MN ka bon ka da Si walima AL labɛnni hakɛ bɛnnen kan, kɛrɛnkɛrɛnnenya la ferric suguya ani austenitic suguya fila. fertin type antioxydant, i n’a fɔ 1CRL3Sial, its highest action temperature is 9000 degre thoca. Austenitic type antioxydant steel, i n’a fɔ 2CR20MN9ni2N2N ani 3CRL8MNL2Si2N nɛgɛ bɛ oksidan kunbɛncogo ɲuman sɔrɔ (a bɛ kɛ ka funteni hakɛ caya fo ka se degere 1000 ma , sulfure corrosion resistance ani carburization resistance, ani a ka teli ka kɛ ka fɛnw fili, nka a bɛ kɛ ka shear ani shear ani welding ani weld ani weld ani weld ani weld ani welding fana bɛ kɛ ka shear ani an ka shear
Antiokisidi nɛgɛ bɛ kɛ ka caya baara kuntaalajan na funteni caman na, nka masinw ka baarakɛcogo (farinya, etc{.) wajibiyalenw tɛ yɔrɔw ye minnu ka bon, i n’a fɔ gazi turbine combustion chambre, roller, furnace tube, heat exchangeur, etc.
2 Sumaya fanga bɛ se ka tila kulu saba ye: Ferite kelen biɲɛ yeelen farikolo funteni fanga nɛgɛ, martensitic thermal strength steel, austenitic thermal strength steel.
A. Nɛgɛ sumalenw ka danfara cogoya ye: karɔbɔli dɔgɔyalen, WC .<0.2%; Cr and Si improve the oxidation resistance of steel; Cr, Mo (W) are soluble in ferrite and enhance the recrystallization temperature, thus increasing the creep limit of the matrix; Cr, Mo, V (Ti) strengthen the dispersion.
Funteni furakɛli fɛɛrɛw: Nɔgɔya la (950~1050℃) ani o kɔfɛ 100℃(i. e{{4}~750℃). fɛnɲɛnamafagalan nɔrɔlen ye fertin + perlet ye, ani o kɔfɛ funteni hakɛ caman bɛ kɛ ka farikolo yɔrɔw sabatili caya (due ka ɲɛsin karɔbɔni jɛnsɛnni ma) walasa ka krecɛnya kunbɛncogo ɲɛ.}}
Nɛgɛ hakɛ minnu bɛ sɔrɔ ɲɔgɔn fɛ olu ye 15 crmo, 12cr1mov, 25cr2mova, etc{5}} ye, minnu bɛ sɔrɔ nɛgɛ min ka dɔgɔn ni nɛgɛ ye min bɛ kɛ ni nɛgɛ ye{. a ka bonya hakɛ fitinin, funteni taabolo ɲuman, funteni, funteni hakɛ baarakɛcogo ani welding baarakɛcogo, baarakɛ funteni 450~50 degɛrɛ la, a bɛ kɛ ni nɛgɛ ye min bɛ kɛ ni fanga ye min bɛ se ka kɛ ni fanga ye min bɛ se ka kɛ ni fanga ye min bɛ kɛ ni fanga ye min bɛ kɛ ni fanga ye min bɛ se ka kɛ ni fanga ye. Kuwama ni doni ka dɔgɔ, i n’a fɔ bojiw ani pipew minnu ka baara funteni tɛ se degere 600 ma , pipe wɛrɛw, degun minɛnw, watara turbine rotor, etc.
b. Martentic thermal strength nɛgɛ jogo ye: karɔbɔni dɔgɔman, WC=0.1%~0.4%; Aloy elements minnu bɛ sɔrɔ, CR caman bɛ kɛ ka nɛgɛ ka oxydation (oxydation) kɛcogo ɲɛ; CR, W, Mo, V, (ti, NB) ani fɛn wɛrɛw bɛ fɛn gɛlɛnw wulicogo ni u jɛnsɛnni sabati; W, MO fana bɛ se ka dɔ bɔ tempering fragility la.
Funteni furakɛli cogoya ye : jogoɲini furakɛli + funteni caman funteni hakɛ min bɛ se degere 100 ma baarakɛcogo funteni sanfɛ, wa a baarakɛcogo la, fɛn min bɛ a baaracogo la, o ye nɛgɛ farikolo funteni ye, walasa ka farikolo yɔrɔ sabatili ni a baara kɛcogo sabati baarakɛcogo funteni na.
Nɛgɛ hakɛ min bɛ kɛ ka caya, o ye 1CRL3, 2CR13,1crllmov, 1CRL2W.Mov, ani 4CR9SI2,4crl{0Si2mo ani nɛgɛba wɛrɛ ye min bɛ se ka kɛ ni nɛgɛ ye min bɛ se ka kɛ ni nɛgɛ ye min bɛ se ka kɛ sababu ye ka martensite sɔrɔ{{{15{15{15{15{15{15{15{15{15{15{15{15{15{15{15{15{15{15{15{15{15{15{15{15{15{15{15{15{15. 600 degɛrɛ , ani funteni fanga ka bon ni biɲɛ yeelen farikolo funteni ye. LCRL 3,2 CRL 3,1crlmov ani 1CRL2WMOV ka kretiɛnw ka se ka wuli ka caya ani u bɛ se ka wuli ka ɲɛ 500 degɛrɛ la , minnu bɛnnen don wazi turbinew dilanni ma, o la, a bɛ wele fana ko nɛgɛsɛrɛw ka nɛgɛw.443} 4} A bɛ kɛ ka motɛri sɔgɔlilanw dilan ni funteni hakɛ ye min ka dɔgɔ ni degere 750 ye , o la a bɛ fɔ fana ko fiɲɛbɔlan nɛgɛ.
C. Austenitic therm strength steel bɛ dɔn ni karɔbɔli dɔgɔman ye, WC=0.1%~0.4%; ani Cr caman bɛ a kɔnɔ, Ni alloy elements. cr ani Ni bɛ oksidan kɛlɛli ɲɛ ani ka funteni fanga bonya; Cr, W, MO; Cr, W, Mo ani Ti.
Funteni furakɛli cogoyaw ye : furaji jɛlen furakɛli (sumaya ka tɛmɛ degere 1000 kan tulu nɛnɛni kɔfɛ walima ji nɛnɛ kɔfɛ) {{1}~100 degere ka tɛmɛ kɔrɔya furakɛli kelen walima fila kan, sanji bɔli ka bɔ fanga sabatili la, ani ka nɛgɛw ka funteni fanga bonya ka taa a fɛ. baara kɛcogo la min bɛ kɛ ni austenitic (1 CR14WTIP steel) ye. Carbide de alloy min bɛ sɔrɔ (4CR14nil4w2mo nɛgɛ).
Marka hakɛ min bɛ sɔrɔ 1CRL8NI9TI ani 4CRL4nil4w2mo, ani a baara funteni bɛ bɔ degere 600 na ka se 700 ma . Nin nɛgɛ suguya in bɛ fara a kan ka da austenitic stainless steel W, MO, v, tl, Ni, al ani fɛn wɛrɛw kan, minnu bɛ kɛ ka autenite barika bonya, ka sɔrɔ ka steel compound sɔrɔ ka kɛɲɛ ni steel{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{cacape) ye. Austenite lattice density ka bon ka tɛmɛ ferite kan, atomike sirili fanga ka bon, austenite kɔnɔ fɛnw jɛnsɛnni bɛ sumaya, o la nin nɛgɛ sugu tɛ dan funteni fanga bonya dɔrɔn ma, nka a bɛ kɛ ni plasticité caman ye, a ka gɛlɛn, a ka weldability ɲuman, a bɛ nɛnɛ, a faralen don ni fase kelen ye austenitic organisage, ani a bɛ ni corrosion resistance{12}} ye kosɛbɛ.
1CRL8ni9ti nɛgɛ baarakɛ funteni bɛ se ka se 700~900 degɛrɛ ma , wa a ka funteni fanga bɛ se degere 600 ɲɔgɔn na , o bɛ se ka kɛ ka bojiba-supu-pupe dilan ani ka wataraba pipe dilan ka tɛmɛ degere 610 kan .4CLL4W2mo nɛgɛ bɛ se ka kɛ ni funteni hakɛ ye min ka bon ni 61 ye, a bɛ kɛ cogo min na, o ye 6100 ye. Superheater pipe de turbine de steam, pipe de vapeur main, ani moteur de combustion interne valve, steam ou gaz pipe avec température température 650~750 degre .
