Daim ntawv thov thiab kev loj hlob ntawm qhov loj-txoj kab titanium alloy cov kav dej rau kev siv marine

Daim ntawv thov thiab kev loj hlob ntawm qhov loj-txoj kab titanium alloy cov kav dej rau cov tubrog nkoj

Qhov kev thov rau ntau hom muaj zog thiab cov kav hlau xeb hlau uas siv nyob rau hauv cov cuab yeej siv loj hauv kev ua teb yog qhov qhia tau nce ntau. Vim tias cov kav hlau hlau yuav tsum tau siv rau hauv cov huab cua nyob hauv cov huab cua phem thiab cov huab cua phem (muaj zog corrosion, cua daj cua dub, muaj zog convection, siab kub, ntsuas qhov siab, txheeb raws roj ntsha), lawv muaj qhov siab tshaj qhov xav tau rau xeb. Titanium thiab titanium alloys muaj qhov siab ua kom siab, tsis muaj hlau nplaum, tsis muaj txiaj ntsig zoo li qhov tsis tshua muaj kev ntom ntom thiab zoo heev tiv taus xeb tau dhau los ua cov khoom zoo tshaj plaws rau cov khoom siv loj hauv cov chaw hais saum toj no. Ntau qhov kev pom zoo tau lees tias cov kev pabcuam lub neej ntawm cov cuab yeej qis-cov hlau tsis sib txuas yeeb yaj kiab yog 1-2 xyoos, thiab kev pabcuam lub neej ntawm Cu / Ni cov raj xa hluav taws xob tsuas yog 6-8 xyoos, uas tseem qis tshaj li lub neej tsim. ntawm seawater cov raj dej. Titanium muaj cov yam ntxwv ntawm kev ua kom muaj zog, siab toughness, siab zog tshwj xeeb, lub teeb nyhav, tsis muaj hlau nplaum, seawater corrosion tsis kam thiab kev nyab xeeb huab cua corrosion. Lub neej corrosion ntawm titanium thiab titanium alloy cov raj xa dej ntau dua 120,000 teev, thiab kev pab lub neej yog ntau dua 60 xyoo. Raws li cov kev ua haujlwm, tag nrho lub neej ntawm cov khoom siv titanium alloy tsis txuas los ntawm lwm cov khoom siv hlau, thiab nws tuaj yeem rov siv dua 100% tsis muaj kev puas tsuaj tom qab qhov kawg ntawm cov khoom siv lub neej. Yog li ntawd, nws yog cov khoom siv zoo tshaj plaws rau cov khoom siv marine.

Cov yam ntxwv ntawm cov khoom siv marine

① Cov cuab yeej siv tub rog yog lub tsev hlau loj nrog lub tonnage loj, cov peev txheej siab, thiab ua kev puas tsuaj loj.

② Cov txheej txheem no muaj cov qauv ua tiav, cov haujlwm tiav, cov qauv ua haujlwm nyuaj thiab ua haujlwm hnyav, yuav tsum muaj kev ntseeg siab, thiab cov txheej txheem kev tsim kho nyuaj.

③Material lub neej txuas ntxiv yog qhov tseem ceeb los xyuas kom muaj kev ncaj ncees, kev ntseeg siab thiab kev nyab xeeb ntawm cov khoom siv marine thiab cov qauv, thiab txhawb kev pab tiv thaiv thiab kev tsim kho kom ruaj khov.

④Qhov kev txhim kho kev ua tiav ntawm cov khoom siv tubrog nkoj feem ntau yog txhim kho kev txhim kho corrosion, lub teeb hnyav, daim ntawv thov ntawm cov khoom muaj zog thiab siab tawv, kev ntseeg tau zoo, thiab cov khoom lag luam thoob plaws lub neej.

Qhov zoo ntawmtitanium alloy kav

Titanium alloy muaj koob ntawm cov yam ntxwv tseem ceeb xws li siab melting point, tsis tshua muaj siab, siab zog, kev txhim kho corrosion, superconductivity, lub cim xeeb thiab hydrogen cia. Nws yog dav siv hauv aviation, aerospace, nkoj, lub zog nuclear, kev kho mob, tshuaj lom neeg, metallurgy, khoom siv hluav taws xob, kev ua si Cov teb ntawm kev ua si thiab kev tsim kho yog lub npe hu ua" thib peb hlau" ;," ; cua hlau" thiab" dej hiav txwv ua hlau" ;. Cov kav dej yog siv rau cov kev sib kis ntawm cov pa roj thiab cov kua tshaj tawm. Lawv yog cov khoom tseem ceeb hauv ntau thaj teb ntawm kev lag luam hauv tebchaws. Titanium alloy kav yog siv hauv aviation tshuab, tsheb dav hlau hauv av, thiab cov roj av hauv cov kav dej vim lawv qhov hnyav lub teeb thiab zoo heev xeb. , Cov cuab yeej siv tshuaj lom neeg, kev tsim kho ib puag ncig marine thiab ntau qhov chaw ua haujlwm hauv av muaj ntau qhov kev siv, xws li chaw nres nkoj fais fab chaw nres tsheb, chaw nres tsheb roj thiab roj thiab kev thauj mus los, kev tsim dej hiav txwv, kev tsim tshuaj lom neeg marine, alkali ntsev ntau lawm, cov khoom siv roj av, thiab lwm yam. ., thiab cov kev cia siab yog qhov dav heev.

Kev nce qib thiab siv cov khoom siv titanium yog ib qho tseem ceeb tshaj plaws ntawm cov txheej txheem kev thev naus laus zis rau kev tsim kho nkoj thiab chaw tsim khoom siv tshuab marine. Titanium alloy kav tau dav siv hauv nkoj thiab nkoj tsim khoom siv tshuab ua dej hauv cov teb chaws tsim. Cov khoom siv ntau ntawm cov khoom siv titanium siv los txhim kho kev nyab xeeb thiab kev ntseeg tau ntawm cov cuab yeej siv, txo cov khoom ntim khoom, txo qis kom zoo, thiab txo cov cuab yeej ua kom muaj kev sib tsoo thiab cov sijhawm ua haujlwm. Zoo heev rau kev pabcuam lub neej ntev.

Titanium alloy yeeb nkab ua cov yam ntxwv ua haujlwm

Titanium alloy muaj plasticity tsawg nyob rau ntawm chav tsev kub thiab loj deformation tsis kam, tab sis nws muaj zoo plasticity thiab tsis deformation tsis kam nyob rau hauv α + β ob-theem cheeb tsam thiab β-theem cheeb tsam. Yog li no, kev tsim thiab tsim cov khoom siv ntawm titanium alloy cov ntaub ntawv lossis npaj ntawm ntau cov ntawv (phaj), Rods, hlab, thiab lwm yam) yuav tsum tau rhaub kom ze rau cov theem hloov chaw.

Vim tias cov titanium alloys nquag rau tshuaj lom neeg nrog cov pa oxygen, nitrogen, carbon, thiab lwm yam thaum muaj kev kub siab, thiab yooj yim rau nqus hydrogen, qhov kev hloov deformation ntawm titanium alloys yog txo tsawg thiab cov kev pabcuam kev ua haujlwm ntawm cov khoom cuam tshuam. Tsis tas li ntawd, qhov qis thermal conductivity ntawm titanium alloys feem ntau ua rau lub blanks loj loj los ua qhov sov. Qhov no ua rau muaj qhov loj hla ntu qhov kub sib txawv, uas tuaj yeem yooj yim ua rau tawg thaum lub sijhawm deformation txheej txheem; ntxiv rau, qhov kub ntawm thaj tsam ntawm titanium alloy deformation tsam yog qhov nqaim, thiab tus nqi raug mob ntau dua rhiab, thiab feem ntau yuav tsum tau deformed ntawm tus nqi qis; tib lub sijhawm, qhov tso cua txias tom qab deformation ncaj qha cuam tshuam rau nws chav sov Tus qauv sib luag thiab cov kev pabcuam kev ua haujlwm ntawm lub Cheebtsam, yog li ntawd, qhov kub deformation yuav tsum ceev tseg tsis tu ncua thaum lub sijhawm hloov txheej txheem lossis ntsuas yuav tsum ntsuas kom txo tus nqi kub poob kom nws muaj txaus plasticity.

Kuv lub teb chaws' s loj-txoj kab uas hla titanium alloy yeeb nkab npaj tshuab tsom

Cov tsoos titanium alloy seamless yeeb ntau lawm cov txheej txheem yog extrusion tho kev sib tsoo, hla sib dhos sib dhos + multi-pass txias dov, drilling thiab tho txawv. Nyob rau tam sim no, kev siv hauv tsev ntawm cov thev naus laus zis tuaj yeem npaj me me-me me titanium alloy cov kav dej, thiab lawv tau siv hauv aviation, aerospace, nkoj tsim thiab petrochemical teb, uas muaj zog txhawb kev txhim kho riam phom thiab kev lag luam hauv teb chaws.

(1) Tsoos drilling thiab tho txawv thiab txheej txheem extrusion: Drilling thiab tho txawv yog kom ncaj qha siv titanium alloy tuav rau kev tho txawv thiab tho txawv, tsis muaj txheej txheem cua kub thiab calendering, thiab cov ntaub ntawv siv cov khoom siv yog tsawg heev, feem ntau tsawg dua 50%, yog li ntawd , tus nqi tag nrho Heev. Nyob rau tib lub sijhawm, nws tsis haum rau kev ua cov kav hlau loj thiab nyias-phab ntsa.

Extrusion moulding tshuab tuaj yeem muab cov khoom deformation ntau, nplua cov nplej, thiab nws nyuaj rau kev tswj hwm qhov tsis sib xws ntawm cov phab ntsa capillary tuab. Extrusion molding feem ntau siv iav hmoov lubrication lossis tooj liab-clad lubrication. Lub iav hmoov lubricated extrusion titanium alloy yeeb nkab tshuab tsis paub tab hauv kuv lub teb chaws. Cov kua roj ua haujlwm nyob rau tom qab qib-tso kev sib txawv tsis yog qhov zoo tshaj, uas tuaj yeem yooj yim ua rau thaj chaw ntawm cov tuag thiab cov yeeb nkab txuas. Kev puas tsuaj, cov nqi tsim tawm siab, kev tsim khoom qis thiab cov khoom lag luam zoo; lub tshuab ua kom lub zog ntawm lub ntsej muag tooj liab-lub ntsej muag zoo dua, thiab cov txheej txheem zoo dua ntawm qhov chaw ntawm titanium alloy raj tuaj yeem tau txais, tab sis cov khoom siv ntawm cov tes tsho tooj liab-loj yog qhov loj, thiab cov pob ntawv txuas nrog rau saum npoo ntawm titanium alloy raj yog muab tshem tawm. Lub tes tsho tooj liab siv cov kua qaub ntau, uas yooj yim rau kev ua kom muaj kuab paug rau ib puag ncig.

(2) Lub tshuab tho txawv (hom မန်း) + cov txheej txheem dov txias: muaj ntau cov txheej txheem dov txias, qhov ntau lawm kev ua haujlwm yog qhov tsis tshua muaj, ntau qhov kev sib tw yog qhov yuav tsum tau, qhov deformation ntawm cov ntawv hla yog me me, lub zog noj ntawm annealing ntawm hla kis tau siab, thiab lub pickling ua paug ib puag ncig. Tus txheej txheem no tsuas yog tsim rau yob cov ntshiab titanium thiab cov kav hlau txuas nrog cov deformation tsis kam, thiab tsis tuaj yeem yob lub zog siab titanium alloy cov kav dej (xws li TC4). Kev tsim tawm ntawm cov txheej txheem no yog li 75%.

Raws li cov yam ntxwv ntawm titanium alloy cov ntaub ntawv, los ntawm kev tswj cov txheej txheem cov txheej txheem xws li dov lub ntsuas kub, tag nrho cov kab rov qab txo tus nqi, ellipticity coefficient, tus nqi deformation, tus nqi txo tom ntej thiab cov kab noj hniav tswj, thiab lwm yam, qhov kev ruaj ntseg ntawm tag nrho cov txheej txheem yog lav, thiab sab hauv thiab sab nraud zoo yog lav. , Qhov ntau thiab tsawg raug thiab ntau qhov ntsuas ua tau zoo ua tiav cov txheej txheem xav tau. Npaj thev naus laus zis muaj cov zoo li nram no:

Technology Lub tshuab no yog tsom rau lub siab deformation tsis kam ntawm titanium alloys. Los ntawm txoj kev txhim kho tshiab ntawm tus ntoo khaub lig-yob tho kev sib tsoo, ntau qhov kev ua haujlwm ntawm lub tshuab nqus thiab ob qho kev sib txuas ntawm lub tshuab sib txuas, lub zog quab yuam ntawm lub cev muaj zog tau nce ntxiv, thiab cov cua kub tau ua los ntawm lub nplhaib lub nplhaib. Cov tswj qhov kub thiab ntse thiab cov khoom siv hloov chaw nrawm tau txais los ntawm kev sib tsoo, kub dov, ua haujlwm thiab kho cov txheej txheem kom txo qis kub kom tsawg ntawm qhov seem kom paub meej tias nws muaj txaus plasticity thiab hloov mus rau cov yam ntxwv ntawm nqaim deformation kub ntau ntawm cov titanium alloy.

Process Cov txheej txheem no tshwj xeeb tshaj yog ua rau yob thiab ua cov loj-txoj kab hluav taws xob titanium alloy kav. Txoj kab uas hla sab nraud tuaj yeem ncav cuag φ530mm, phab ntsa tuab npog 5-36mm, thiab qhov khoom ntev tuaj yeem ncav cuag 12 meters lossis ntau dua. Piv nrog extrusion + cov txheej txheem dov txias thiab cov txheej txheem thau thiab tho txawv, nws cov nqi ua haujlwm tau raug txo ntau dua 50%; piv nrog cov txheej txheem qub kev tho txawv thiab kev tho txawv, kev siv tus nqi ntawm titanium alloy yeeb yog nce ntxiv los ntawm ntau dua 40%; piv nrog tsoos extrusion molding txheej txheem, ntau lawm Efficiency yog ob npaug. Nws tau ua tiav kev ua haujlwm siab thiab tus nqi qis, thiab kov yeej kev ua haujlwm tsis zoo ntawm kev tsim khoom loj-txoj kab hluav taws xob titanium alloy kav los ntawm ob-yob skew dov ntawm titanium alloy. Raws li kev nce qib hauv cov txheej txheem thiab kev loj hlob ntawm thev naus laus zis, cov txiaj ntsig cov txiaj ntsig tuaj yeem nce mus txog 95%.

Daim ntawv thov thiab kev txhim kho kev cia siab ntawm qhov loj-txoj kab uas hla titanium alloy cov kav dej

Tam sim no, titanium siv nyob rau hauv nkoj cov khoom siv hauv tsev feem ntau suav nrog: lub ntsiab ntawm cov twj submarine, titanium alloy torpedo tua tso tawm tank, lub zog nuclear PWR thawj Circuit Court system ceev cov cua txias, sonar dome, titanium alloy kiv cua, diesel cav pa pa yeeb nkab thiab lub hiav txwv piping system, ntsig txog cov raj xa dej thiab cov twj tso kua mis valve system, sib sib zog nqus submersible plhaub thiab ntu system. Cov khoom tshwj xeeb ntawm cov kav dej hiav txwv: φ308x4mm, φ285x5mm; qhov dej hiav txwv tseem ceeb xa dej ntawm cov nkoj: φ12.7 ~ 304.8mm.

Vim tias qhov ntom ntom ntom, tiv thaiv corrosion thiab siab zog ntawm titanium thiab titanium alloys, qhov nyhav ntawm cov khoom siv tuaj yeem txo ntau. Yog li no, txawm hais tias titanium thiab titanium alloys tseem kim dua nyob rau hauv nqe lus ntawm chav tsev nqe, tom qab qhov hnyav tag nrho ntawm cov khoom siv raug txo, titanium thiab titanium alloys Ntawm qhov tsis sib haum, cov lus sib deev yuav tsis ntau dua lwm cov khoom, thiab txawm tias qis dua lwm cov ntaub ntawv. Titanium thiab titanium alloy kav muaj cov ntawv thov loj loj. Nrog rau kev loj hlob thiab kev nce qib ntawm kev ua haujlwm siab, luv-ntws, kev siv tshuab qis tsim, ntau cov ntawv thov tooj liab thiab tooj liab tuaj yeem hloov los ntawm titanium thiab titanium alloy kav.

① Hauv kev tsim lub nkoj, cov kav dej siv hauv nkoj thiab cov roj loj loj yog daim ntawv thov tseem ceeb ntawm cov tooj liab hlau txuas. Copper alloy kav rau cov nkoj feem ntau suav nrog BFe30-1-1, BFe10-1-1 cupronickel kav dej thiab HAl77-2 txhuas tooj dag kav. Txij li feem ntau ntawm kev sib cuag nruab nrab ntawm hiav txwv yog seawater, cov kav dej yuav tsum muaj zoo seawater corrosion tsis kam thiab siab cov cuab yeej thiab thev naus laus zis. Marine engineering hloov cov cuab yeej siv cov tub luam tooj liab thiab tooj liab. Piv txwv li, lwm cov tub luam pauv hloov cua sov feem ntau muaj xws li: cov roj ua kom txias, dej txias thiab lub taub dej tso cua sov rau cov cav, cov tshuab hluav taws xob, thiab lwm lub tshuab pabcuam tiv thaiv. Cov lus qhia tshwj xeeb ntawm cov khoom lag luam sib txawv.

Qhov kev tsim kho kev lag luam marine thiab cov nkoj loj-tonnage yuav tsum muaj qhov muaj peev txheej ntau dua thiab loj dua cov kav hlau los tiv thaiv kev tiv thaiv kab los ua kom cov khoom xa hluav taws xob loj thiab hloov chaw. Nyob rau tib lub sijhawm, muaj qhov loj ntawm qhov tsim nyog yuav tsum raug siv los ua kom muaj qhov siab ntawm lub raj xa hluav taws xob. Nws to taub hais tias qhov ntau tshaj plaws txoj kab uas hla ntawm cov kav dej tooj liab-nickel kav dej loj xws li dej hiav txwv loj thiab cov chaw tsim khoom siv roj hauv Tebchaws Yelemees, Kaus Lim Qab Teb thiab lwm lub tebchaws tau nce mus txog φ520mm lossis ntau dua.

Nrog kev kawm tiav zuj zus ntawm kuv lub teb chaws' s lub hiav txwv muaj zog lub tswv yim, qhov kev thov rau cov taub loj, muaj zog thiab siab-tiv thaiv kev ua kom cov kav dej txuas ntxiv mus ntxiv hauv thaj chaw ntawm cov cuab yeej ntug dej, cov roj av thiab cov roj hauv av. kev tshawb nrhav teb thiab kev loj hlob, thiab nkoj. Kev tsim cov txheej txheem loj ntawm cov loj-titanium titanium alloy nqus cov kav dej thiab qhov muaj kev lag luam nce qib thiab siv cov kev ua haujlwm siab, luv txheej txheem, thiab kev npaj qis tshuab yuav ntxiv tau raws kev ua lag luam' s tus nqi qis thov rau titanium thiab titanium alloy khoom. Nyob rau tib lub sijhawm, qhov tam sim no concentration ntawm txoj kev lag luam titanium tseem tsis siab. Cov neeg tsim khoom lag luam yuav tsum koom tes nrog kev tsim qauv teb chaws thiab tsim cov tsev, cov tsev kawm qib siab thiab tsev kawm qib siab, cov neeg siv hluav taws xob thiab lwm cov khoom siv txhawb kev lag luam tsim kom muaj lub teb chaws titanium technology thiab kev lag luam pab cuam tsim platform los ua haujlwm ua ke los txhawb kev lag luam kev lag luam ntawm titanium alloys, thiab siv zog rau txoj cai thiab kev txhawb nyiaj txiag los ntawm lub xeev los txuas ntxiv txhawb cov kev thov dav ntawm titanium alloy kav.

Nicole