Yuav ua li cas paub qhov txawv ntawm TA1 / TA2 ntshiab titanium cua sov raj los ntawm cov khoom cuav titanium-clad steel & siab- hlau alloy cov khoom qis dua
Tso lus
Txhawm rau txo cov nuj nqis, ntau tus neeg muag khoom hloov cov khoom siv ntshiab titanium raj nrog titanium-clad steel composite hlab lossis siab - hlau titanium khib nyiab hlau raj. Cov khoom cuav no nthuav tawm tsis tu ncua hauv cov thawv fermentation, phab ntsa sai sai thinning, hnyav hlau ion nag lossis daus, thiab tsis zoo corrosion kuj. Kab lus no muab cov lus qhia dav dav ntawm ntau- theem kev txheeb xyuas, xws li kev soj ntsuam zoo li qub, kev sim yooj yim nrawm nrawm, kuaj pom spectral, thiab kev pov thawj puas tsuaj. Nws kuj tsim cov qauv kev ntxub ntxaug meej rau kev soj ntsuam cov khoom tuaj.
1. Kev kuaj pom thiab tactile ua ntej (ntawm - qhov kev txiav txim nrawm yam tsis muaj cuab yeej)
1.1 Qhov sib txawv ntawm cov hlau nplaum ntawm qhov chaw
Authentic TA1/TA2 ntshiab titanium Qhov saum npoo yog mos, thiab cov xim hlau ci yog uniformly matte nyiaj -grey tom qab polishing. Tsis muaj dazzling txias dawb lub teeb. Cov zaj duab xis passive discoloration ua uniformly lub teeb grey yam tsis muaj xeb liab me ntsis tom qab ntev kev sib cuag nruab nrab.
Cov raj tsis zoo ua los ntawm titanium-clad steel Tom qab kev sib tsoo me me, thaj chaw hauv cheeb tsam nthuav tawm lub ci dawb hlau ci. Txawm li cas los xij, cov pa roj carbon steel sab hauv lub hauv paus sai sai ua txiv kab ntxwv - liab xeb stains nyob rau hauv cov huab cua ntub thaum lub nyias titanium txheej peals tawm.
Rov ua dua titanium alloy nrog cov ntsiab lus hlau siab Cov luster saum npoo yog grey tsaus thiab tsis sib xws, nrog rau ntau qhov me me dub impurity tau tawg rau ntawm phab ntsa raj. Tom qab CIP acid ntxuav, tsaus pitting corrosion me ntsis tshwm nyob rau hauv ib lub sij hawm luv luv.
1.2 Qhov hnyav piv txoj kev (kev sib piv intuitive, tib lub raj specification)
Thaum lub sab nraud txoj kab uas hla, phab ntsa thickness, thiab ntev yog zoo tib yam:
titanium ntshiab yog lub teeb yuag, nrog qhov ceev ntawm 4.51 g / cm³.
Qhov nruab nrab ntom ntom ntawm carbon steel yog 7.85 g / cm³, thaum tag nrho qhov hnyav ntawm titanium-clad steel yog 30% mus rau 40% siab dua li cov ntshiab titanium raj ntawm tib qhov ntev. Txoj kev ua haujlwm: Ntsuas qhov ua tiav cua sov raj ntawm tus qauv DN 50 1.8m ntev. Yog tias qhov hnyav tshaj tus qauv TA2 lub raj hnyav los ntawm ntau dua 25%, nws xav tias yuav tsum muaj titanium-clad steel composite khoom.
1.3 Kev txheeb xyuas ntawm Weld Appearance
Ntshiab titanium argon shield welding: Lub vuam nto yog nyiaj -dawb los yog lub teeb golden, nrog ib tug seamless hloov arc thiab tsis muaj dub oxide hlawv txheej tom qab welding tiv thaiv tiav. Lub weld thiab tube lub cev muaj qhov sib xws.
Titanium-clad steel vuam: Qhov kub ntawm cov txheej txheem vuam nkag mus rau hauv cov txheej txheem titanium nyias, ua rau cov hlau sab hauv yaj thiab tsim cov slag dub. Weld nto yog tus cwj pwm los ntawm pom cov khaubncaws sab nraud povtseg dub uas tau yooj yim tshem tawm thaum polished.
High-hlau alloy vuam: Lub vuam nthuav dav xiav tsaus- xim oxidation dub, nrog rau ntau feeb qhov pores thiab pob txha tawg uas pom hauv qab lub iav tsom iav.
2. Portable ntawm -qhov chaw kuaj tshuaj sai sai (tsis yog-kev ua piv txwv, yooj yim reagent)
Kuaj reagent configuration: 10% diluted hydrofluoric acid trace test kua (micro-tej xwb; tsis ua tiav soaking)
Cov txheej txheem rau kev ua haujlwm:
Txhawm rau tshem tawm cov zaj duab xis saum npoo av, siv 800 mesh zoo sandpaper los txhuam ib qho me me, huv si ntawm lub raj sab nrauv phab ntsa.
Muab ib qho micro- poob ntawm cov kua ntsuas rau ntawm qhov chaw polished thiab saib cov tshuaj tiv thaiv hauv 10 vib nas this:
TA1 / TA2 ntshiab titanium tiag tiag: Cov kua ua kua ua rau me ntsis, ua npuas me me, ua rau muaj xim grey. Tsis muaj qhov nrawm nrawm, nruj corrosion. Cov tshuaj tiv thaiv TA1 qeeb dua li ntawm TA2 vim nws cov ntsiab lus hlau qis.
Titanium-clad steel: Cov kua ua rau muaj kev kub ntxhov tam sim ntawd thaum sib cuag nrog cov hlau, ua rau pom xeb los nag thiab xim dub.
High-hlau recycled titanium alloy: Cov kua ua npuas sai sai thiab hloov mus ua grey tsaus- xim dub. Cov residual dub corrosion residue yog yooj yim pom tom qab so.
Kev ceeb toom txog kev nyab xeeb: Siv tsuas yog micro- tso sampling, tsis txhob muaj hnab looj tes tiv thaiv thiab tiv thaiv qhov muag, thiab sau cov kua pov tseg rau hauv nruab nrab kev kho mob.
3. Portable XRF spectral sai nrhiav kom tau (qhov feem ntau siv cov khoom kuaj xyuas cov qauv rau cov chaw tsim khoom)
Qauv qauv: Random sampling ntawm 10% ntawm cov batch, cais nrhiav tau ntawm lub raj lub cev thiab weld, thiab kaw cov ntsiab lus ntawm Fe, Ti, Al, thiab V ntsiab.
Ib qho qauv siv tau rau cov khoom siv tiag tiag
TA1 Qib 1 ntshiab titanium: Ti Ntau dua lossis sib npaug li 99.35%, Fe Tsawg dua lossis sib npaug li 0.08%, thiab tsis pom Al / V alloy ntsiab lus.
TA2 Qib 2 ntshiab titanium: Ti ntau dua lossis sib npaug ntawm 99.20%, Fe Tsawg dua lossis sib npaug rau 0.15%, thiab tsis muaj Al / V;
Qhov chaw rau kev txiav txim cuav
Titanium-clad steel: XRF pom Fe pawg feem ntau tshaj 1.0% ntawm txoj haujlwm sib tsoo; Cov ntsiab lus Ti txo qis tam sim ntawd, qhia tias cov hlau yog lub ntsiab lus tseem ceeb.
Lub siab - hlau seem titanium alloy muaj Fe cov ntsiab lus ntawm 0.20%, uas tshaj TA2 tus qauv txwv. Cov khoom ib nrab muaj cov kab Al/V impurities los ntawm cov khoom sib xyaw ua ke.
Ti-6Al-4V alloy cuav: Al ntes tau ntawm kwv yees li 6% thiab V ntes tau ntawm kwv yees li 4%; fermentation cua sov raj yog txwv tsis pub.
4. Laboratory destructive tiav kev soj ntsuam muaj pes tsawg leeg (kev txiav txim zaum kawg kev txheeb xyuas rau kev tsis txaus siab zoo)
Txiav cov qauv me me rau kev tsom xam tag nrho ntawm cov khoom siv kho qhov muag emission spectroscopy (OES). Ntsuam xyuas cov ntsiab lus impurity ntawm C, N, H, Fe, Al, thiab V ib qho los ntawm ib qho thiab muab piv rau lub teb chaws tus qauv GB / T 3620.1 ntshiab titanium kev faib tawm index.
Cov txheej txheem tsis tsim nyog: Lub xub ntiag ntawm aluminium thiab vanadium alloy ntsiab lus; ib qho impurity tshaj tus qauv txwv ntawm TA1/TA2.
Tus ntoo khaub lig- ntu ntawm titanium- qauv clad steel tau pom nyob rau hauv lub tshuab ntsuas metallographic. Cov qauv yog ob txheej - txheej sib xyaw uas muaj txheej txheej titanium txheej txheej thiab sab hauv carbon steel substrate. Lub interface sib cais kab yog pom meej.
5. xyaum corrosion simulation ceev kev xeem (kom replicate lub fermentation CIP ib puag ncig)
Muab cov qauv kuaj hauv qhov kev ntsuas nrawm nrawm ntawm 50℃rau 72 teev nyob rau hauv ib qho chaw sib hloov ntawm 4% citric acid thiab 5% sodium hydroxide.
Tiag tiag TA1 / TA2: Tsis muaj pitting, tsis pom qhov hnyav poob tom qab ntxuav, thiab tsuas yog lub teeb grey passive zaj duab xis hloov pauv.
Titanium-clad steel: Cov txheej txheej ib nrab tev tawm, ua rau cov hlau sab hauv xeb heev. Qhov no ua rau pom kev poob phaus, thiab cov xeb xeb ua rau cov tshuaj.
Dense pitting corrosion is distributed on the surface of a high-iron inferior titanium alloy, resulting in a turbid solution containing a grey metal precipitate.
6. Cov kev txwv tsis pub muaj cov khoom siv hluav taws xob cuav hauv fermentation ntau lawm
Lub titanium-clad steel muaj nyias titanium hauv ob sab phlu uas muaj feem cuam tshuam rau kev puas tsuaj los ntawm kev sib tsoo thiab cov khoom puas. Cov hlau sab hauv txoj kev xeb sai sai ua rau cov hlau nruab nrab ions tshaj tus qauv, yuav tsum tau tshem ntawm cov fermentation broth. Kev nkag mus rau hauv zos tshwm sim hauv 6 mus rau 12 lub hlis ntawm kev ua haujlwm.
Recycled titanium alloy nrog cov ntsiab lus hlau siab Lub compactness ntawm passive zaj duab xis yog cuam tshuam los ntawm muaj cov hlau impurities ntau dhau. Lub neej kev pab cuam ntawm TA2 raj tsuas yog ib qho -ib feem peb ntawm tus qauv TA2 raj vim yog qhov hnyav pitting corrosion thaum lub sij hawm kua qaub- puag alternating CIP. Kev tshuaj ntsuam xyuas GMP ua tsis tiav vim yog cov hlau ion tawg tas li.
Cov khoom cuav Ti-6Al-4V alloy muaj aluminium thiab vanadium cov ntsiab lus uas yaj hauv cov organic acid nruab nrab. Cov hlau hnyav hnyav nyob hauv cov hlau alloy tshaj qhov kev txwv kev nyab xeeb ntawm cov khoom noj thiab tshuaj, uas ua rau muaj kev pheej hmoo ntawm batch khoom tsis lees paub.
7. Txuj kev khiav dej num rau kev yuav khoom tuaj xyuas
Kev sib piv ntawm qhov hnyav, qhov ci ntsa iab, thiab kev tshuaj xyuas qhov muag pom yog tag nrho cov khoom ntawm batch sampling.
Cov khoom lag luam xav tau: Portable XRF spectral ceev nrhiav kom pom, cov ntaub ntawv sau cia;
Laboratory OES ua kom tiav cov txheej txheem metallographic destructive arbitration test: Cov qauv tsis sib haum xeeb;
Accelerated acid-base corrosion simulation test for secondary verification: Random sampling ib nrab batch.
Tswv yim:
Kev Qhia Txog Tus Kheej: Tiag Tiag TA1/TA2 Ntshiab TitaniumCounterfeit Titanium-Clad SteelHigh-Iron Recycled Titanium Alloy
Deg lustre: Ib qho zoo nkauj, mos nyiaj grey xim tsis muaj xeb hauv zos, cov hlau muaj lub ci ci; Txawm li cas los xij, nws muaj kev cuam tshuam rau txiv kab ntxwv xeb tom qab dispersed dub impurity dots, tsaus tsis sib xws grey
Lub teeb, tus qauv ntsuas qhov hnyav tib yam -spec hnyav 30-40% hnyav dua li ntshiab titaniumTA1 Fe Tsawg dua lossis sib npaug li 0.08%; TA2 Fe Tsawg dua lossis sib npaug rau 0.15% Fe ＞1.0% ntawm cov txheej txheej puas Fe＞0.20% me ntsis hnyav dua li tus qauv TA2 XRF cov ntsiab lus hlau
Acid test nrog microdropletsA lub teeb grey kua uas maj mam bubbling thiab me me nyob rau hauv naturalBlack rust precipitate, nruj frothingResidual residue uas yog tsaus dub thiab npuas sai
Accelerated corrosion nyob rau hauv qhov chaw (CIP) testNo pitting, negligible yuag poob Txheej txheej, tseem ceeb xeb lossMetal nag lossis daus thiab dav pitting.
Condensed Summary
Kev nyab xeeb ntawm kev tsim khoom fermentation thiab tus nqi ntawm cov khoom tsim nyog tau cuam tshuam loj heev los ntawm kev phom sij ntawm cov titanium cuav -clad steel thiab siab - hlau seem alloy cua sov raj, nrog rau nruab nrab hnyav hlau paug thiab lub neej ua haujlwm luv luv. Cov tuam txhab lag luam yuav tsum siv ntau- txheej txheem tshuaj ntsuam xyuas cov txheej txheem uas sib xyaw ua ke kev tshuaj ntsuam xyuas, kev kuaj pom sai sai, thiab kuaj kev txiav txim siab puas tsuaj. Lawv yuav tsum tau ua raws li cov qauv tsim nyog rau titanium cov ntsiab lus thiab cov ntsiab lus ntawm cov hlau impurity thiab tiv thaiv kom tsis txhob muaj cov khoom cuav los ntawm kev nkag mus rau hauv cov tso tsheb hlau luam los ntawm kev sib txuas.
