Qhov sib piv ntawmtitanium tsheb kauj vab ncejthiab lwm yam thav duab muaj nws tus kheej zoo thiab qhov tsis zoo rau ntau yam paub txog cov khoom siv ncej:
Tam sim no, steel yog cov khoom siv dav tshaj plaws thiab siv ntev tshaj plaws hauv kev lag luam tsheb kauj vab. Cov cuab yeej ntawm steel thav duab yog heev paub tab. Los ntawm kev ua kom zoo ntawm cov khoom sib xyaw, cov txheej txheem kev kho cua sov siab, thiab kev siv thev naus laus zis, cov yeeb nkab phab ntsa ntawm cov yeeb nkab steel tuaj yeem ncav cuag qhov zoo tshaj plaws thickness nyob rau hauv qhov chaw ntawm kev ua tau zoo. Qhov zoo ntawm steel thav duab yog (1) kev ua haujlwm zoo thiab cov cuab yeej paub tab. Cov ncej steel yog cov thav duab uas muaj keeb kwm ntev tshaj plaws ntawm kev tshawb fawb, thiab nws cov cuab yeej siv hauv txhua yam yog zoo dua li lwm cov ntaub ntawv. Yog li ntawd, muaj qee qhov teeb meem hauv kev tsim thiab tsim khoom. (2) Kev ua haujlwm vuam zoo. Piv nrog rau titanium, aluminium, thiab lwm yam khoom siv alloy lub teeb, steel vuam muaj qhov yuav tsum tau qis rau kev tiv thaiv huab cua. Tom qab vuam, feem ntau tsis tas yuav tshem tawm qhov tsis xws luag hauv cov txheej txheem vuam los ntawm kev kho cua sov, uas txo cov peev txheej hauv cov khoom siv. (3) Kev ua haujlwm zoo ntawm kev poob siab. (4) Tus nqi kom zoo dua: piv nrog rau lwm cov ntaub ntawv, cov ntaub ntawv steel muaj qhov tsis zoo ntawm cov nqi tsim khoom, cov khoom kom muaj nuj nqis, kev siv tshuab, thiab kev siv ntau yam. Qhov tsis zoo ntawm cov ncej steel: (1) yooj yim rau xeb. Cov yeeb nkab steel nrog cov phab ntsa nyias yog siv rau hauv daim ntawv thov tam sim no. Yog tias qhov kev kho deg los tiv thaiv corrosion tsis siv, qhov corrosion yuav me me nyob rau hauv lub sij hawm, thiab qhov cuam tshuam rau cov khoom ntawm tus ncej yuav loj heev. Yog li ntawd, kev kho corrosion ntawm steel ncej ua ntej xa khoom yuav tsum tau txiav txim siab. (2) Hlau qaug zog tshwm sim los ntawm kev ntxhov siab concentration. Qhov cuam tshuam ntawm qhov tseem ceeb no feem ntau yog nyob rau hauv qhov chaw vuam cua sov. Qhov seem kev ntxhov siab thiab cov khoom sib cais tsim tawm thaum lub sij hawm vuam yuav cuam tshuam rau cov khoom siv ntawm cov khoom rau qee yam; Tsis tas li ntawd, yog tias impurities nkag mus rau hauv lub vuam thaum lub sij hawm vuam, kev nyuaj siab concentration yuav tshwm sim nyob ib ncig ntawm impurities. (3) Ncej hnyav. Txawm hais tias qhov hnyav ntawm cov ncej steel yog txo qis thiab qhov tuab ntawm cov yeeb nkab steel phab ntsa siv raws li cov thav duab yuav luag txog qhov txwv, tseem muaj qee qhov sib txawv ntawm cov ncej steel thiab qee lub teeb thav duab (tshwj xeeb tshaj yog carbon fiber thav duab) hauv daim ntawv thov. teb.
Aluminium nws tus kheej muaj qhov zoo ntawm qhov ntom ntom, zoo plasticity, corrosion kuj, thiab lwm yam. Tom qab alloying nrog lwm cov hlau, cov khoom siv kho tshuab yuav zoo dua. Feem ntau cov txhuas txhuas siv hauv tsheb kauj vab yog 6000 series (Al-Mg-Si) thiab 7000 series (Al-Zn-Mg-Cu). Cov ntaub ntawv txhuas feem ntau yog cua sov ua ntej siv los txhim kho lawv cov kev ua tau zoo kom tau raws li cov kev xav tau ntawm kev siv tswv yim. Qhov zoo ntawm aluminium alloy ncej: (1) Nws tuaj yeem ua rau lub teeb thav duab. (2) Zoo corrosion kuj nyob rau hauv atmospheric ib puag ncig. Aluminium nws tus kheej yog cov hlau uas yooj yim corroded. Nws yuav oxidized tam sim ntawd thaum muab tso rau hauv cov huab cua thiab tsim ib tug nyias oxide zaj duab xis. Txawm li cas los xij, thaum txheej txheej ntawm oxide zaj duab xis sib sau ua ke rau qee qhov, nws yuav tiv thaiv lub cev los ntawm kev xeb ntxiv. Qhov tsis zoo ntawm aluminium alloy ncej: (1) Lub elastic modulus thiab rigidity ntawm txhuas yog tsawg. Feem ntau, cov txheej txheem xws li kev nthuav dav lub cheeb ntawm cov yeeb nkab, siv cov yeeb nkab tiaj tus, los yog nqa tawm kev kho cua sov ntawm cov yeeb nkab aluminium yog siv los txo qhov cuam tshuam ntawm qis elastic modulus ntawm kev ua haujlwm ntawm tus ncej thiab hloov mus rau qhov kev hloov ntawm kev ntxhov siab. thaum siv. (2) Kev kho cua sov yuav tsum tau ua. Feem ntau cov aluminium alloys yuav tsum tau kho cua sov ua ntej siv (tshwj tsis yog 7075 aluminium alloy yeeb nkab), txwv tsis pub, lub zog yog qhov nyuaj kom ua tau raws li qhov yuav tsum tau ua, thiab kev yuav khoom ntawm cov khoom siv kho cua sov yuav ua rau cov nqi ntau lawm rau qee yam.
CFRP cov ntaub ntawv txhais tau hais tias cov pa roj carbon fiber ntau ntxiv rau cov resin matrix ua ib theem ntxiv los tsim cov khoom sib xyaw. Vim yog anisotropy ntawm carbon fibers, kev npaj thiab overlapping kev taw qhia ntawm carbon fibers yuav tsum tau txiav txim siab thaum lub sij hawm sib xyaw txheej txheem. Piv nrog rau lwm cov ntaub ntawv, carbon fiber composites muaj qhov zoo hauv qab no: (1) siab zog thiab lub teeb yuag. Lub zog tensile ntawm carbon fiber ntau dua li cov hlau, tab sis qhov ntom ntawm cov khoom sib xyaw yog qis dua li ntawm aluminium alloy. Xws li cov khoom yog undoubtedly xav tau los ntawm ob manufacturers thiab cov neeg siv. (2) Kev poob siab zoo. Nrog nws cov kev ua tau zoo heev ntawm absorbing cuam tshuam, nws tuaj yeem siv los ua cov tsheb kauj vab tsis muaj kev poob siab absorbers. (3) Integral molding. Txoj kev tsim qauv yooj yim ntawm CFRP thav duab yog txhawm rau txhawm rau txhawm rau hauv pwm paved nrog carbon fiber rau kev sib sau ua ke, yog li kev sib txuas ntawm cov thav ntawv tsis suav nrog. Disadvantages ntawm carbon fiber thav duab: (1) Complex stress suav. Lub zog shear ntawm carbon fiber tsis zoo heev. Yog li ntawd, kev suav cov kev ntxhov siab yuav tsum tau ua thaum lub sij hawm ua, thiab carbon fibers yuav tsum tau teem caij raws li cov txiaj ntsig thiaj li yuav tau txais kev sib xyaw ua ke zoo. (2) Qhov loj me tsis tuaj yeem hloov pauv tom qab ua tiav thiab molding, thiab tsuas yog cov qauv sib thooj ntawm cov pwm tuaj yeem tsim tau. Txhua lub sijhawm tsim qauv tshiab, lwm cov pwm yuav tsum tau tsim thiab tsim. (3) Kev laus ntawm cov resin matrix. (4) Tus nqi siab.
Titanium alloy yog cov khoom siv ua haujlwm siab siv hauv cov khoom siv dav hlau thiab muaj cov khoom siv hlau zoo heev. Nws yog tam sim no thoob ntiaj teb lees paub tias yog cov khoom siv siab tshaj plaws thiab zoo tshaj plaws rau kev tsim cov tsheb kauj vab qib siab rau ntau yam kev ua si thiab kev lom zem. Cov yam ntxwv zoo ntawm titanium alloy yog lub teeb yuag, siab zog, zoo elasticity, cuam tshuam tsis kam, zoo qaug zog kev ua haujlwm, corrosion kuj, thiab tsis xeb. Cov tsheb kauj vab, tshwj xeeb tshaj yog cov tsheb sib tw, xav tau lub teeb yuag, zoo rigidity, thiab kev ua haujlwm zoo. Lub teeb yuag tuaj yeem txhim kho kev nrawm thiab txo lub cev noj qab haus huv thaum kis las mus ntev; Lub tsheb kauj vab ncej nrog zoo rigidity yog qhov tsim nyog rau kev hloov pauv ntawm kev tsav tsheb thiab txhim kho kev tuav haujlwm; Lub tsheb kauj vab ncej nrog kev cuam tshuam zoo tuaj yeem txo qhov cuam tshuam los ntawm txoj kev, yog li txo qhov qaug zog ntawm tus neeg tsav tsheb. Qhov zoo ntawm titanium thav duab: (1) tsawg ntom thiab siab tshwj xeeb lub zog. Qhov hnyav ntawm titanium alloy tsuas yog 50 feem pua ntawm cov hlau, thiab nws lub zog-rau-qhov hnyav piv yog 28.4 feem pua siab dua li ntawm chromium-molybdenum hlau. Kev qaug zog ntawm titanium alloy yog ob zaug ntawm cov hlau, thiab cov tsheb kauj vab aluminium alloy tsis tuaj yeem muab piv nrog titanium alloy tsheb kauj vab thav duab hauv qhov kev hwm no tom qab siv sijhawm ntev. Raws li lub siab-zog thiab tsawg-tuab titanium alloy cov ntaub ntawv rau cov kauj vab lub teeb thiab muaj zog, tab sis kuj tseem ua rau lub tsheb kauj vab ntau dua. (2) Tsis muaj xeb. Titanium yuav tsis corrode nyob rau hauv ib puag ncig ib puag ncig, yog li thaum nws yog siv los ua cov khoom siv, tsis tas yuav muaj kev kho corrosion ntxiv.
lub teeb
Nrog tsawg ceev thiab siab tshwj xeeb lub zog, qhov hnyav ntawm titanium alloy tsuas yog 50 feem pua ntawm cov hlau.
Corrosion kuj
Titanium muaj kev tiv thaiv corrosion ntau dua li cov hlau tsis muaj steel thiab tsis tas yuav ua cov tshuaj tiv thaiv corrosion
Qhov tsis zoo ntawm titanium ncej: (1) Tus nqi siab. Hauv qhov xwm txheej, titanium tuaj yeem pom zoo li titanium dioxide. Cov txheej txheem refining thiab kev ua haujlwm yog qhov nyuaj, thiab cov kev xav tau yog siab thiab siv sijhawm ntev, yog li tus nqi siab. (2) Cov nqi vuam yog siab. Vim muaj kev sib raug zoo ntawm titanium thiab oxygen, titanium dioxide sai sai hloov mus rau titanium dioxide thaum sib cuag nrog huab cua. Titanium dioxide yog nkig thiab tawv, thiab vim li ntawd, lub zog ntawm cov khoom no yuav ua rau tsis zoo. Yog li ntawd, inert gas-shielded vuam yuav tsum tau siv rau vuam ntawm titanium thav ntawv. Txoj kev zoo tshaj plaws yog TIG vuam (TIG: luv luv rau tungsten thiab inert gas): tungsten electrode yog siv rau vuam nyob rau hauv kev tiv thaiv argon, thiab cov nqi vuam yog siab. Rau kev tsim cov tsheb kauj vab thav duab, ntawm ntau cov ntaub ntawv hlau, titanium alloy ua tau raws li cov kev cai saum toj no tib lub sijhawm, yog li nws yog cov khoom siv zoo tshaj plaws rau kev ua thav ntawv. Titanium alloy muaj kev tiv thaiv corrosion zoo heev, kev pab lub neej ntev dua li lwm yam hlau thiab cov ntaub ntawv uas tsis yog xim hlau, thiab nws ruaj khov tsis muaj kev laus, hnav, thiab khawb. Raws li lub tsheb kauj vab thav duab, nws qhov chaw tsis xav tau kev tiv thaiv kev pleev xim, vim tias nws yuav tsis xeb lossis xeb zoo li hlau thiab txhuas thav duab, thiab tuaj yeem tiv taus cov kua qaub los nag, ultraviolet rays, noo noo, thiab lwm yam yaig, yog li koj tsis tas yuav txhawj txog nws. hlau nto yuav tsim pits thiab xeb vim raug nyob rau hauv cov huab cua. Lub tsheb kauj vab ncej ua los ntawm cov khoom siv titanium alloy ua rau cov neeg caij tsheb muaj kev nyab xeeb thiab txhim khu kev qha. Nws yuav tsis tawg tam sim ntawd. Thaum nws tawg, nws yuav pib los ntawm qhov tawg me me, uas yuav pom nyob rau lub sijhawm no; Txawm hais tias muaj kev sib tsoo thiab tawg, qhov tshwj xeeb toughness ntawm cov hlau yuav tiv thaiv tus neeg siv los ntawm kev raug mob.
