1. GH41445 Alloy, thiab nws txoj kev muaj pes tsawg leeg ua nws haum rau siab- Kub Yeeb Nkab App?
GH4145 yog neeg Suav los daus nag lossis daus - hape {{2} bees supalloy. Nws yog qhov sib npaug ncaj qha ntawm cov paub dav tsis tseeb N07750 (feem ntau hu ua alloy 750 lossis inconel x-750 nyob rau sab hnub poob). Cov alloy no muaj koob meej rau nws cov kev sib xyaw ua ke, zoo heev corrosion, thiab zoo heev corrosion corrosatures txog kwv yees li 1300℃F (700 degree).
Lub haum xeeb ntawm GH4145 rau high- kub kua kav stems los ntawm nws cov tshuaj zoo ntawm cov tshuaj lom neeg:
Nickel (NI) Base (~ 70%): Muab lub ruaj khov, {- kub lub zog thiab corrosion tsis kam thiab corrosion tsis kam thiab corrosion tsis kam.
Chromium (CR) (~ 15%): Qhov tseem ceeb rau kev sib sau cov txheej txheem tiv thaiv, cov nplaum ntawm cov roj chromium (cr₂o₃) rau saum npoo. Cov nplai no ua txhaum kev tawm tsam oxidation thiab corrosion los ntawm cov pa roj kub thiab qee qhov tseem ceeb ib puag ncig, uas yog qhov tseem ceeb rau sab hauv thiab sab nraud ntawm cov kav dej.
Aluminium (AL) thiab titanium (ti): cov no yog cov tseem ceeb nag ntsis - hate tawv. Thaum lub sijhawm kho cua sov hu ua "kev laus," lawv sib xyaw ua ke nrog cov npe npib uas hu ua Gamerent Intermetallic hu ua Gamma Prime ('{} ni₃ (al, ti)). Cov ris tsho sib cais ntawm cov nplua, cov tawv tawv hauv lub npib tsib yog thawj lub zog uas muab GH4145 Nws lub zog tshwj xeeb thiab cov neeg nkag ntawm cov kub.
Niobium (NB) (~ 0.9%): Ua rau muaj lub zog ruaj khov los ntawm kev tsim cov txheej txheem tawv khov (NBC) thiab tseem koom nrog hauv cov txheej txheem tawv txhiab lub zog, ntxiv txhim kho cov khoom siv tshuab.
Hlau (FE) (~ 7%): Tus nqi - alloy alloying alloy uas ntxiv dag zog rau cov kua zog txuag tau.
Qhov kev txiav txim no tshwj xeeb tso cai rau GH4145 kav tswj kev cai lij choj hauv siab thiab cov qauv hluav taws xob hnyav yuav muaj zog nrawm dua (nkag) lossis oxidize.
2. Dab tsi yog tus qauv kev kho cua sov txheem rau GH4145, thiab vim li cas kev tswj hwm tus txheej txheem no yog li tseem ceeb rau kev ua tau zoo?
Cov kev ua tau zoo ntawm GH4145 tsis tau txais qhov melting tab sis ua tiav los ntawm ib tug meej heev, mult- theem kev kho cov txheej txheem kub. Rau cov kav dej, feem ntau muaj kev daws teeb meem ua ntej los ntawm kev laus.
Kev daws Annealing: Cov yeeb nkab yog rhaub kom muaj qhov kub thiab txias rau thaum 1800 suranel), thiab Qhov no ua rau tus muag muag, ducab, thiab homogeneous microstructure. Qhov mob no zoo tagnrho rau cov fabrication (piv txwv li, dabtsi yog khoov, vuam) raws li cov khoom siv nyob hauv nws lub xeev ua haujlwm tshaj plaws.
Kev laus (nag lossis daus nag lossis daus Qhov kev tswj hwm cua sov no tso cai rau Gamma Prime (') precipitates los ua uniformly thoob plaws lub matrix. Qhov loj me, faib tawm, thiab ntim feem ntawm cov precipitates no yog meticulously tswj tau me ntsis lub zog, hardness, thiab creep tsis kam ntawm cov yeeb nkab.
Kev thuam:
Tswj cov txheej txheem no yog qhov tseem ceeb rau ntau yam:
Lub zog ntawm lub zog sib npaug: nyob rau hauv {- kev laus (tsawg dhau ib zaug) ua rau muaj kev kub tsis txaus, ua rau qis dua nag lossis daus, ua rau muaj zog. Tshaj -} kev laus (ntau dhau ib zaug los yog ntev dhau los ua rau muaj kev sib tw thiab muaj peev xwm txo lub zog thiab kev nyuaj siab.
Kev ntxhov siab corrosion cracking (SCC) Kuj: Qhov kev ua haujlwm laus kom muaj kev tiv thaiv scc, muaj zog} lub zog alloys hauv qee qhov chaw muaj kev sib zog.
Kev sib xws: Cov kav dej khiav ua haujlwm nyob rau hauv ib qho kev ntxhov siab thiab kub. Ib qho sib txawv hauv kev kho cua sov raws qhov ntev ntawm cov kav dej sib txawv hauv cov kab ke tuaj yeem ua rau cov ntsiab lus tsis sib xws thiab cov ntsiab lus tsis muaj zog.
3. Nyob rau hauv uas cov lag luam loj yog GH4145 kav dej feem ntau siv, thiab lawv ua haujlwm tshwj xeeb?
GH4145 Cov kav dej tau raug xaiv rau cov ntawv thov tseem ceeb uas ntseeg tau ntawm qhov kub thiab txias tsis yog {sib yeem. Lawv cov thawj kev lag luam suav nrog:
Aerospace thiab roj turbine tshuab: qhov no yog ib thaj chaw thov loj. GH4145 Cov kav dej tau siv rau cov tshuab hluav taws xob los ntshav, siab} {} Kev ntxig cua los ntawm cov chaw ua haujlwm zoo li Cabin Pressurization, cua txias, thiab tis} i}} icing. Lawv yuav tsum tiv thaiv lub siab kub tshaj li 1000℃f (540 degree) thiab muaj txiaj ntsig siab ruaj khov yam tsis muaj creeping los yog swb.
Kev Lag Luam Nuclear Power Kev Lag Luam: Lawv tau siv nyob rau hauv re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re re reeror cov khoom thiab phau ntawv qhia kev rau tswj cov pas nrig. Hauv cov ntawv thov no, lub allloy lub siab- kub ua zog thiab zoo heev rau corrosion los ntawm high- purity dej yog qhov tseem ceeb.
Tshuaj lom neeg thiab petrochemical ua: nyob rau hauv cov chaw zoo li ethylene springing cov nroj tsuag thiab hauv tshav kub kub cov txheej txheem qhov twg kub thiab carburization (carbon pickup) yuav tsum muaj.
Kev kho tshav kub kub thiab muaj kev lag luam rouracing: lawv pab cov leeg hluav taws xob, cov muffic, thiab cov kev sib hloov cua sov ntawm qhov kev caij tsheb kauj vab txuas ntxiv ntawm qhov siab thiab kub tsawg.
Hauv txhua lub luag haujlwm, gh414 ua yeeb yam raws li lub siab ciam rau siab {1} kev siv cua (cua, chav dej, cov roj av). Nws ua tsis tiav yuav tsis yog txhais tau tias lub xau dej tab sis yuav ua rau kev puas tsuaj loj, hluav taws, lossis kev nyab xeeb kev nyab xeeb. Yog li ntawd, nws txoj kev ncaj ncees yog qhov tseem ceeb heev.
4. Dab tsi yog qhov kev sib tw tseem ceeb hauv kev siv vuam thiab fabricating GH4145 yuav tsum tau ua raws li cas?
Xyoos GL4145 kav dej, tshwj xeeb tshaj yog vuam, yog qhov nyuaj vim yog cov ALLOY daus- hationening xwm. Thawj cov nyom thiab coj cov kev coj ua zoo tshaj plaws yog:
Kev sib tw 1: Tshaj tawm {{{{}} Weld Kev Kho Tshav Kub (Lim-} muaj kev pheej hmoo loj tshaj plaws. Thaum lub sijhawm tshaj tawm - weld kev kho mob, cov cua sov- bein cuam tshuam rau kev xav tias nws yuav ua rau nws ntxiv dag zog. Yog tias cov weldment dhau lawm, qhov no tsim kom muaj sab hauv (residual) kev ntxhov siab uas tuaj yeem ua rau tawg.
Qhov zoo tshaj plaws xyaum: Cov khoom sib xyaw yog feem ntau welded nyob rau hauv kev daws {{}}}}} annerted mob. Txhawm rau txo cov kev ntxhov siab, siv cov cua sov tsawg lub tswv yim vuam (piv txwv li roj av {} gding {}}}}}}ua ntejKev ua haujlwm kawg kev kho mob kom pab txhawb cov kev ntxhov siab vuam.
Kev sib tw 2: kub tawg): cov ntsiab lus xws li cov neeg tuaj noj mov, thiab phosphorus cov yeeb yaj kiab uas tsawg {2}
Qhov zoo tshaj plaws xyaum: Meticulous tu siab ntawm cov yeeb nkab xaus thiab muab tub lim hlau yog qhov tseem ceeb. Tag nrho cov roj, roj, xim, thiab cov cim yuav tsum tau muab tshem tawm. Siv Dedicated, huv steel hlau hlau txhuam.
Kev sib tw 3: Xaiv cov tub lim hlau: siv cov hlau muab tub rog tuaj yeem ua rau muaj kev sib tw weld nrog cov khoom siv sib luag.
Qhov zoo tshaj plaws kev xyaum: kev xaiv uas nyiam tshaj plaws yog qhov sib piv muab cov hlau (piv txwv li, GH4145 / ENNIFECR - 2). Rau kev txhim kho kom strain {6-}} chromium muab siv, raws li nws solidifies nrog ntau breack-resistant microstructure.
5. Los ntawm cov txiaj ntsig zoo ntawm cov khoom siv tau zoo, dab tsi specifications thiab tsis - yog yuav tsum tau ua rau cov ntawv tseem ceeb GH4145 Yeeb Nkab Daim Ntawv Thov?
Muab cov kev pabcuam hnyav, GH4145 yuav raug teeb meem kom nruj zoo raws li cov txheej txheem uas mus tshaj cov khoom muaj ntawv pov thawj.
Cov Ntsiab Lus Tseem Ceeb:
Cov Qauv Txheem: Kev txiav txim yuav khoom yuav tsum qhia tus qauv xws li GB / T 15062 (rau UNSTM B637 (rau UNSIVE tshuaj tshuaj muaj pes tsawg leeg, cov khoom siv neeg kho mob, thiab cov nplej loj.
Kev Kho Cua Sov: Cov mob yuav tsum tau ua (piv txwv li, "daim ntawv qhia txog zeb yuav tsum lees paub txog lub sijhawm thiab ntsuas kub siv.
Yuav tsum ua tsis yog - kev sim (ndt):
Zas kev sim tshuaj ntsuam (PT) lossis ua kua rau sab nraud (LT): thov mus rau sab nraud thiab sab hauv ntawm cov yeeb nkab, tshwj xeeb yog Weld seams tom qab vuam. Nws kuaj saum npoo- rhuav tsis txhob tsis xws luag zoo li cov kab nrib pleb, porosity, lossis tsis muaj fusion, lossis tsis muaj fusion, lossis tsis muaj fusion, lossis tsis muaj fusion, lossis tsis muaj fusion, lossis tsis muaj fusion, lossis tsis muaj fusion, lossis tsis muaj fusion, lossis tsis muaj fusion, lossis tsis muaj fusion, lossis tsis muaj fusion, lossis tsis muaj fusion, lossis tsis muaj fusion, lossis tsis muaj fusion, lossis tsis muaj fusion, lossis tsis muaj fusion, lossis tsis muaj kev sib tw.
RadioGraphic Xeem (RT): Siv X - rays lossis gamma rays los tshuaj xyuas sab hauv kev ncaj ncees weld sib koom tes. Nws yog qhov tseem ceeb uas yog qhov tseem ceeb ntawm kev kho cov kev cuam tshuam rau kev tsis xws luag zoo li sloag suav nrog, sab hauv porosity, lossis nkag tsis tiav.
Kev sim ultrasonic (UT): siv los tshawb xyuas cov flaws hauv sab hauv hauv phab ntsa, xws li cov lamints lossis tsis yog - nws yog xim hlau suav. Kev txiav txim siab ultrasonic xeem (ntawv) feem ntau ua haujlwm rau ntev- cov nplais velds.
Hydrostatic Kev Kuaj: Tom qab cov ntaub pua chaw, tag nrho cov yeeb nkab system yog nias nrog ib qib kev tsim tawm (piv txwv li cov xau thiab txheej txheem suab.
Rau cov ntawv tseem ceeb tshaj plaws, xws li nyob rau hauv Aerospace, kev ntsuam xyuas ntxiv rau cov khoom siv hluav taws xob thiab kev ntxhov siab ntev npaum li cas los xij. Qhov kev ua tau zoo ntawm QA ua kom ntseeg tau tias txhua tus GH4145 ua raws li qhov kev xav tau ntawm qhov xav tau.
