1. Dab tsi yog qhov ua tau zoo tshaj plaws ntawm Ghy {1} heigh} High Kub Alloy Yeeb Nkab Uas Ua Rau Siab- Kev Siv Cov Kev Siv?
Gh 2132 5188 high kub alloy yeeb nkab yog ib qho khoom zoo tshaj plaws nyob rau hauv lub siab- cov ntaub ntawv kub. Cov yeeb nkab alloy yog ib fe - 25 ni}}}}}}, vagadium, thiab kab ntawm cov neeg Boron.
Ib qho ntawm nws cov peev xwm tshaj plaws yog nws qhov siab - kub lub zog. Nws tuaj yeem ua kom muaj lub siab zog zog, feem ntau yog kwv yees li ntawm 590 MPa rau 1000 mpa, thiab zoo heev} kev kub ntxhov rau 650℃rau ncua sijhawm. Qhov no ua rau nws xaiv qhov zoo tshaj plaws rau cov ntawv thov hauv cov pa roj tshuab, dav hlau siv tas li, thiab muaj cov chaw ua kom sov;}- kev nyuaj siab mob. Piv txwv li, hauv kev ua pa roj av, cov kav dej yuav tsum tau ua kom muaj kev kub ntxhov heev thaum cov kav dej kub tsis deform lossis tsis muaj kev cuam tshuam dab tsi.
Ntxiv rau qhov siab - kub lub zog, nws tseem ua rau pom cov oxidation zoo tiv thaiv. Cov alloy cov tshuaj muaj pes tsawg leeg ua rau nws ua tiav thiab tiv thaiv oxide txheej rau nws cov npoo thaum uas raug kom siab- kub huab cua. Cov roj oxide no tiv thaiv txuas ntxiv oxidation ntawm cov khoom siv hauv qab, yog li nthuav tawm cov kev pabcuam lub neej ntawm cov yeeb nkab. Hauv cov chaw ua kom sov, qhov chaw muaj pa nyob hauv qhov kub thiab txias} {
Tsis tas li ntawd, cov yeeb nkab muaj kev txaus siab ua cov khoom siv thiab vuam ua tau zoo. Qhov no txhais tau tias nws tuaj yeem tsim tau yooj yim rau hauv ntau yam duab thiab ntau thiab tsawg thaum lub sijhawm tsim kev tsim khoom, thiab tuaj yeem tsim kev sib tsoo nrog lwm cov qauv vuam. Cov cuab yeej no tsis yog ua kom yooj yim cov txheej txheem ntau lawm tab sis tseem tso cai rau kev tsim cov twj piping nyuaj, uas yog cov khoom muaj txiaj ntsig zoo xws li aerospace thiab lub hwj chim siab.
2. Hauv kev lag luam tshwj xeeb thiab cov ntawv thov yog gh {1} he} high kub alloy siv tau siv?
Gh {2132 5188 high kub alloy yeeb nkab nrhiav cov kev siv ntau thoob plaws ntau yam kev lag luam vim nws qhov kev sib xyaw ua ke ntawm cov khoom.
Hauv kev lag luam Aerospace, nws yog dav siv hauv kev tsim kho lub dav hlau siv. Piv txwv li, nws tuaj yeem siv raws li cov khoom siv rau kav dej hauv lub cav hauv lub cav sib txuas thiab tso pa tawm. Nyob rau hauv kev sib txuas ua ke, cov kav dej yuav tsum tau withstand tsis tshua muaj siab kub siab thiab cov pa roj hnyav. Lub siab - kub lub zog thiab oxidation tsis kam ntawm gh2132 5188}}}}}}}}}}}}} kev ua haujlwm nyab xeeb thiab siv tau ntawm lub cav. Nyob rau hauv lub tso sab nraud, cov yeeb nkab alloy pab cuam tshuam rau hauv kev rho tawm qhov siab- kev ua kom sov, uas yog qhov tseem ceeb rau kev ua tau zoo tag nrho ntawm lub dav hlau.
Lub zog loj hlob kev lag luam tseem nce ntau rau gh 2132 5188 high kub alloy yeeb nkab. Hauv cov hluav taws xob thermal, nws yog siv nyob rau hauv cov thoiles leeg thiab chav dej khov. Cov raj boiles raug rau siab siab- dej ntws tawm ntawm no alieces zog, ua haujlwm siab} kev ua haujlwm kub thiab kev ua haujlwm siab ntawm lub zog txheej txheem. Nyob rau hauv cov nroj tsuag hluav taws xob nuclear, txawm hais tias qhov chaw ua haujlwm sib txawv, lub alloy reactor sib xyaw ua nws tsis kub, xws li nyob rau hauv tshav kub} {8} Hloov chaw.
Hauv kev lag luam petrochemical, Gh2132 5188 high kub alloy yeeb nkab roj yog siv hauv cov tshuab hluav taws xob thiab hauv kev sib pauv hluav taws xob. Hydrocarbons feem ntau muaj ntau cov tshuaj corrosive, thiab alloy yeeb nkab corrosion- Cov cuab yeej tiv taus nws los lis cov kua dej uas tsis muaj cov corroded. Hauv cov tshuaj ntsuam thiab kev hloov pauv kub, lub siab- {{} hloov cov txheej txheem uas muaj nyob hauv cov nroj tsuag petrochemical.
3. Dab tsi yog cov txheej txheem tsim khoom lag luam thiab kev tswj hwm zoo ntawm kev ntsuas rau ghiet}} siab kub alloy yeeb nkab?
Kev tsim khoom ntawm GH {{0} he} heighkas alloy cov yeeb nkab muaj ntau yam kev ua kom ntseeg tau tias nws muaj kev ua tau zoo.
Kev tsim khoom feem ntau pib nrog kev xaiv ntawm high - purity raw khoom. Cov khoom siv alloy, xws li npib tsib, chromatum, feem ntau siv cov khoom siv rawting zoo li cov khoom siv nqus dej ua ke raws li lub tshuab nqus dej (vim tsim hluav taws xob (ESR). Vim yuav pab txo cov impurities thiab tseeb ntau homogeneous alloy muaj pes tsawg leeg muaj pes tsawg leeg, thaum ua kom zoo dua cov hlau los ntawm kev tshem tawm cov kev suav nrog thiab txhim kho cov hlau txoj kev nyiam huv.
Tom qab melting, lub molten alloy tau muab pov rau hauv cov tsiaj ua haujlwm lossis cov khoom noj. Cov kab hlau no tau raug rau kub - rolling cov txheej txheem. Thaum sov - rolling, cov nyiaj npib tau dhau los ntawm cov txiv hmab ntawm cov roj kub, feem ntau nyob ib ncig1100 - 1200 degree. Cov txheej txheem no tsis yog txo qis cov tuab ntawm cov khoom tab sis kuj kho nws cov qauv lis, txhim kho cov khoom siv tshuab ntawm cov alloy. Tom qab, txias {{- rolling tej zaum yuav tau nqa tawm kom ua tiav qhov seem ntau dua thiab muaj kev ua tiav zoo. Txias - Rolling feem ntau yog ua ntawm chav tsev kub lossis me ntsis saum toj no, thiab nws tuaj yeem ua ntxiv ntxiv rau lub zog thiab hardness ntawm alloy yeeb nkab.
Rau seamless kav, lub log tsheb yog koom nrog. Ib lub hnab ntim tawv yog chob nrog lub mandrel los tsim lub raj hollow. Qhov no yog ua raws li los ntawm sizing thiab ua tiav kev ua haujlwm kom ntseeg tau tias cov yeeb nkab ua tau raws li qhov xav tau ntawm lub taub thiab phab ntsa} thickness specifications. Rau welded kav, cov ntawv pov tseg yog thawj zaug tsim cov txheej txheem tub txiav luam yeeb, xws li tungsten inert roj (tsov) vuam lossis ntshav arc vuam. Cov vuam no yog xaiv vim tias lawv tuaj yeem muab siab- Zoo weet thiab xyuas kom meej ntawm cov yeeb nkab tus qauv.
Kev ntsuas kev tswj kom zoo tau ua tiav thoob plaws hauv kev tsim khoom. Tshuaj lom neeg tshuaj xyuas tau ua nyob rau ntawm cov nqaij nyoos- Cov theem theem los xyuas qhov tseeb ntawm lub ntsej muag muaj pes tsawg leeg. Thaum thiab tom qab txhua kauj ruam kev tsim khoom, tsis - kev sim cov txheej txheem kev sib raug zoo yog siv. Piv txwv li, kev kuaj ultrasonic yog nqa tawm los xyuas cov khoom siv sab hauv, xws li cov kab nrib pleb lossis kev khav theeb, hauv cov yeeb nkab. X - Ray Kev Soj ntsuam kuj tseem siv los xyuas kom muaj qhov zoo ntawm cov welds hauv welded kav. Ib qho ntxiv, cov cuab yeej kuaj mob tshuab, suav nrog kev kuaj siab Tensile, thiab nkag mus rau cov qauv qauv kom ntseeg tau tias cov yeeb nkab ua kom tau cov qauv khoom ntiag tug. Tsuas yog cov kav dej uas dhau tag nrho cov kev ntsuas nruj kev tswj hwm zoo yog suav tias yog tsim nyog rau kev xa khoom rau cov neeg siv khoom.
4. Yuav ua li cas, {1} he} heigh ecloy alloy-} ua hauj lwm zoo thiab ua haujlwm?
Thaum piv nrog lwm qhov siab - kub alloy xas muaj nws tus kheej qhov kub ntawm cov nqi ntawm tus nqi- ua hauj lwm zoo thiab ua haujlwm.
Hais txog kev ua yeeb yam, gh 2132 5188}}}}} qhov siab tshaj li ntawm ib qho siab kub {}} kub alloy alloy kav hauv qhov kub no. Piv txwv li, piv nrog qee leej nibel {{5} Raws li cov khoom siv kub zoo sib xws ntawm lub siab kub - lub zog thiab tus nqi. Ib txhia nickel -} Raws li cov kav dej ib txwm yuav muaj me ntsis siab dua- kub lub zog tab sis ntawm tus nqi siab dua. Nyob rau hauv kev sib piv, gh2132 5188}}}} muaj kev sib npaug zoo ntawm kev ua tau zoo thiab tus nqi, ua tau zoo rau cov kev siv uas kub tsis tshaj 650 degree.
Nyob rau hauv cov nqe lus ntawm oxidation tsis kam, gh2132 5188}}}} cov txheej txheej ruaj khov rau ntawm nws cov npoo, tiv thaiv nws los ntawm oxidation ntxiv. Thaum qee qhov siab-}}} Cov khoom siv haxes oxes zoo tshaj, rau feem ntau muaj cov ntaub ntawv ntsuas tsis muaj qhov tseeb, cov oxidation tsis kam ntawm gh2132 5188 txaus. Qhov no txhais tau tias nws tuaj yeem muaj lub neej pabcuam kev pabcuam siab tshaj plaws uas tsis tas yuav muaj cov khoom siv kim heev, txhim kho nws tus nqi- ua hauj lwm zoo.
Hais txog corrosion kuj, hauv ntau cov ntaub ntawv thiab petrochemical cov ntawv thov, gh2132 5188}} Pom zoo rau cov xov xwm corrosive. Txawm li cas los xij, muaj cov kav dej tshwj xeeb, xws li cov ua los ntawm hastelloy series alloys thiab tej zaum yuav muaj corrosion tsis kam. Tab sis cov alloys tshwj xeeb no feem ntau kim dua. Rau cov ntawv thov uas yog ib puag ncig corosive tsis kub heev, gh2132 5188 tuaj yeem muab cov nqi uas siv tau ntawm cov nqi pheej yig dua.
Nyob rau hauv cov nqe lus ntawm kev tsim khoom thiab kev ua, Gh 2132 5188 muaj kev ua haujlwm zoo. Nws cov kev ua kom zoo ua kom yooj yim thiab vuam ua kom nws yooj yim rau kev tsim kom yooj yim rau qee qhov siab- kub alloys uas tej zaum yuav nyuaj rau tsim lossis Weld. Qhov kev ua lag luam no tseem muaj pab txhawb nws tus nqi- ua tau zoo, raws li nws txo lub sijhawm tsim khoom thiab muaj peev xwm pov tseg thaum lub sijhawm tsim khoom.
5. Yuav ua li cas yog qhov kev saib xyuas yuav tsum tau thiab tsis tau ua tiav cov qauv ntawm GH {1} heigh} heigh kub alloy yeeb nkab?
Tswj kev ua tau zoo thiab muaj kev ncaj ncees ntawm Ghy {0} heigh} Qhov siab kub alloy- lub sijhawm thiab txhim khu kev qha kev ua haujlwm.
Kev kuaj tsis tu ncua yog qhov kev saib xyuas tseem ceeb. Kev kuaj xyuas pom yuav tsum tau nqa tawm ib ntu mus kuaj xyuas cov phiajcim ntawm kev puas tsuaj sab nraud, xws li cov kab nrib pleb, dents, lossis corrosion ntawm cov yeeb nkab sab. Tsis - Txoj Kev Kuaj Xyuas, zoo li kev kuaj xyuas ultrasonic thiab sib nqus cov kev kuaj sab hauv uas tsis pom kev zoo. Kev sim tshuaj2 tuaj yeem txheeb xyuas cov kab nrib pleb sab hauv lossis porosity, thaum nqus cov khoom siv tsis taus nyob hauv cov ntaub ntawv ferromagnetic zoo li Gh {5} {5} {5
Nyob rau hauv cov nqe lus ntawm kev ntxuav tu, yog tias cov yeeb nkab siv nyob rau hauv ib puag ncig uas nws yuav nthuav tawm cov roj av uas muaj cov txheej txheem seem, txoj kev tu kom zoo yuav tsum ua haujlwm. Tshuaj lom neeg tu nrog cov kuab tshuaj uas tau tshaj rau cov alloy tuaj yeem siv los tshem tawm cov kev tso nyiaj no. Txawm li cas los xij, kev saib xyuas yuav tsum tau ua kom ntseeg tau tias cov tshuaj ntxuav tu tsis ua rau muaj kev xeb lossis kev puas tsuaj rau cov yeeb nkab.
Cov qauv tsis ua tiav ntawm GH 2132 5188 heigh high temperature kub alloy yeeb nkab xws li creep tsis ua hauj lwm. Sij hawm dhau los, nyob rau hauv high - kub thiab high {{} kev nyuaj siab muaj kev muaj teeb meem qeeb vim tias nkag mus. Qhov no tuaj yeem raug txo qis los ntawm kev ua kom pom tseeb tias cov qib kev ua haujlwm thiab qib kev ntxhov siab nyob hauv cov kev txwv pom zoo tau teev tseg rau cov alloy. Yog tias qhov kub tshaj 650℃rau ncua sij hawm, tus nqi av yuav nce ntxiv, ua rau ua tsis tiav thaum ntxov.
Corrosion yog lwm qhov tsis muaj peev xwm hom. Txawm hais tias gh 2132 5188 muaj cov tshuaj lom neeg ua haujlwm zoo, tshwj xeeb yog cov neeg muaj kuab lom neeg heev, xeb tau tshwm sim. Piv txwv li, hauv qhov chaw acidic heev lossis alkaline ib puag ncig, txheej tiv thaiv oxide, cov yeeb nkab txheej rau ntawm cov yeeb nkab ntawm cov npoo npoo tej zaum yuav raug puas ntsoog, ua rau cov khoom siv rau hauv kev xeb. Txhawm rau tiv thaiv qhov no, tsim nyog corrosion - ntsuas kev ntsuas, xws li siv cov kab mob corrosion lossis thov kev tiv thaiv tiv thaiv, yuav tsim nyog.
Qaug zog tsis ua hauj lwm tseem tuaj yeem tshwm sim, tshwj xeeb tshaj yog nyob rau hauv cov ntawv thov uas cov yeeb nkab raug rau cyclic thauj khoom. Nyob rau hauv ib tug roj turine, piv txwv li cov kav dej tau rov ua dua tshiab thermal thiab kev nyuaj siab kev ntxhov siab thaum pib lub sijhawm thaum pib thiab kaw}}} down txheej txheem. Lub sijhawm dhau los, cov kev nyuaj siab no tuaj yeem ua rau tsim thiab kev loj hlob ntawm cov nrib pleb, thaum kawg ua rau muaj kev qaug zog. Txhawm rau txo qis kev pheej hmoo ntawm kev qaug zog tsis muaj zog, kev txiav txim siab tsim yuav tsum tau ua kom txo cov kev ntxhov siab kub hauv cov kab ke piping.
