Dab tsi yog cov ntaub ntawv nyoos hauv inconel

1. Dab tsi yog cov khoom siv raw hauv inconel?

Inconel alloys yog feem ntaunpib tsib xee(Nickel suav 50% lossis ntau dua ntawm lawv cov muaj pes tsawg leeg), nrog lwm cov ntsiab lus tseem ceeb ntxiv rau kev txhim kho cov khoom lag luam zoo li corrosion tsis kam, siab kub lossis oxidation tsis kam. Cov ntaub ntawv raw ntau dua los ntawm qib, tab sis cov khoom siv sib txawv suav nrog:

Npib tsib caug (ni): Lub hauv paus hlau (feem ntau 50-75% los ntawm qhov hnyav), muab cov txheej txheem alloy tiv taus rau corrosion thiab kub.

Chromium (cr): Ntxiv rau hauv cov nyiaj tseem ceeb (10-25%) txhawm rau txhim kho oxidation tsis kam thiab tiv thaiv kev tiv thaiv kev tiv thaiv kev tiv thaiv kev tiv thaiv cov roj chomium oxide txheej.

Hlau (FE): Feem ntau tam sim no (5-20%) hauv qee qib (piv txwv li, inconel 718) los txo tus nqi thaum tuav lub zog.

Molybdenum (mo): Txhim kho kom muaj kev pitting, thiab high-kub zog (muaj cov qhab nia zoo li 625 thiab 718).

Niobium (NB, qee zaum hu ua Columbium): Siv rau qib zoo li 718 kom txhawb cov alloy los ntawm kev sim siab los nag lossis kev txhawb nqa lub zog ntawm kev ntsuas kub.

Cobalt (CO): Ntxiv rau qib zoo li 617 txhawm rau txhim kho cov kev kub siab-kub (deformation nyob rau hauv kev ntxhov siab nyob rau hauv kev ntxhov siab).

Aluminium (AL) thiab titanium (ti): Pom nyob rau hauv cov hnub nyoog uas nyuaj (piv txwv li, x-750) los ua ntxiv dag zog los ntawm kev kho cua sov.

Ib txoj kab kawm: Cov pa roj carbon me me: Manganese, sileve, silicon, lossis cov leej faj tuaj yeem suav nrog cov qauv zeb ua kom zoo lossis txhim kho weldability.

2. Dab tsi yog qhov kub tshaj plaws rau inconel?

Qhov siab tshaj plaws inconel tuaj yeem tiv thaiv tau nyob ntawm qib tshwj xeeb thiab daim ntawv thov (piv txwv li cov lus luv luv thiab kev ntxhov siab ntev). Feem ntau:

Lub sij hawm luv luv raug (feeb txog sijhawm): Ntau cov qib tsis tuaj yeem ua siab ntev txog1,200-1,300℃(2,192-2,372℃f)Cov. Piv txwv li, Inconel 617 Retains lub zog ntawm 1,100℃(2,012℃f) thiab tuaj yeem luv luv 1,300 degree.

Lub sijhawm ntev raug (ntau txhiab teev nyob rau hauv kev thauj khoom): Cov qib kawm zoo rau kev kub-kub ruaj khov, zoo li inconel 617 lossis 740h, tswj lub zog muaj txiaj ntsig zoo txog900-1,000 Qib (1,652-1,832 Qib F)Cov. Inconel 718, feem ntau yog ib txwm muaj rau ~ 650℃(1,202℃(1,202 degree

Cov ntsiab lus tseem ceeb cuam tshuam nrog kev kub ntxhov suav nrog oxidation tsis kam, cej zog tsis muaj zog, thiab theem kev ua phem hloov xws li nag lossis daus).

3. Dab tsi yog qhov zoo tshaj plaws txheej rau inconel?

Qhov "zoo tshaj plaws" zoo tshaj plaws "zoo tshaj plaws rau incmel nyob ntawm qhov chaw tshwj xeeb (piv txwv li cov tshuaj oxidation tshwj xeeb, kev hnav corrosion, hnav) thiab thov. Cov kev xaiv sib xws muaj:

Aluminide Txheej (piv txwv li, diffusion aluminides): Ua ib qho kev tiv thaiv txhuas oxide (al₂o₃) txheej, droastically txhim kho oxidation thiab sulfidation tsis kam ntawm qhov kub txog li 1,100 degree. Dav siv nyob rau hauv cov roj turbines thiab aerospace tshuab (piv txwv li ntawm inconel 718 turbine tuaj).

Chromium-based txheej: Txhim kho kom tsis kam mus rau tsawg-kub corrosion (piv txwv li, hauv acidic lossis cov tub rog ib puag ncig) los ntawm kev tsim cov chromium oxide (cr₂o₃). Tsis tshua muaj txiaj ntsig aluminides ntawm qhov kub siab heev tab sis tseem ceeb rau cov khoom siv ua tshuaj lom neeg.

Tej hub txheej txheej (piv txwv li, zirconia, alumina): Siv los ntawm cov tshuaj tsuag thermal lossis lub cev vapor deposition (PVD), cov no muab rwb thaiv tsev cua sov sov thiab oxidation tiv thaiv. Siv rau hauv cov khoom siv hauv cov khoom siv kom txo cov cua sov hloov mus rau qhov tsis muaj peev xwm ua kom tsis txhob muaj.

Npib tsib xee-chromium (Nicr) alloys: Thermal-sprayed nicR cov txheej txheem txhim kho oxidation tiv thaiv (600-900 degree) thiab feem ntau siv los ua lub tsho loj hauv qab cov txheej txheem ceramic.

PTFE (Teflon) Txheej: Rau qis-kub, tsis-lo, lossis tshuaj lom neeg tiv thaiv hauv cov ntawv thov zoo li li qub lossis cov twj tso kua mis forrosive kua (tab sis tsis haum rau kev kub siab).

Rau qhov ntsuas kub siab, muaj kev nyuaj siab ib puag ncig (piv txwv li, tshuab hluav taws xob aerospace),Aluminide Txheejfeem ntau nyiam. Rau tshuaj lom neeg corrosion, chromium-based lossis hastelloy-dered ua tej zaum yuav zoo dua.