ntau hom phosphating
Txhais ntawm phosphating
Phosphaating yog cov tshuaj lom neeg thiab cov txheej txheem electrochemical uas ua rau phosphate cov tshuaj lom neeg hloov pauv zaj duab xis ntawm cov hlau substrate. Qhov no ua rau cov lus qhia phosphate hloov tshiab yog lub npe hu ua phosphote txheej lossis phosphaating zaj duab xis. Thaum lub sij hawm phosphating txheej txheem, cov hlau reacts nrog phosphating kev daws muaj qee cov kua hlau (xws li zinc, hlau, thiab lwm yam) thiab phosphoric acid. Los ntawm cov txheej txheem ntawm cov tshuaj lom zem ua ke, ib txheej ntawm insoluble crystalline zaj duab xis yog muab tso rau saum hlau. Zaj yeeb yaj kiab no nruj nreem rau cov hlau substrate, tsim ib qho ruaj khovtshuaj-} cua ntsawj ntshab.
Tseem ceeb ntawm phosphating
Phospects ua lub luag haujlwm tseem ceeb hauv kev saib xyuas kev hlau, muab ntau cov txiaj ntsig tseem ceeb.
Firstly, nws heev txhim kho lub corrosion tsis kam ntawm cov hlau. Cov tshuaj phosphate cov txheej txheem ua raws li lub cev lub cev, sib cais cov hlau substrate los ntawm cov tshuaj corrosive hauv ib puag ncig, xws li oxygen, noo noo, thiab acids. Piv txwv li, hauv kev lag luam automotive, cov khoom siv steel feem ntau yog ua ntej tha xim. Cov tshuaj phosphate txheej txuas rau ntawm cov txheej txheem oxidation ntawm cov hlau, tiv thaiv cov xeb muaj xeb thiab li no cov kev pabcuam lub neej ntawm lub tsheb. Hauv ib puag ncig marine, uas cov hlau yog qhov sib xws tas li ntawm corrosion tsis kam txhim kho cov nqi thiab txhim kho kev nyab xeeb thiab kev ua kom ruaj khov thiab ruaj khov ntawm cov hlab ntsha.
Thib ob, phosphating yog qhov tseem ceeb rau kev txhim kho cov nplaum ntawm cov txheej txheem. Thaum twg ib qho hluav taws xob hlau yog pleev xim, Hmoov - coated, lossis electro {} coated, ib tug phosphated nto muab cov qauv ntxhib thiab ntxig. Tus qauv no tso cai rau txheej txheej cov khoom siv rau kev kho tshuab nrog cov tshuaj phosphote txheej, tsim kom muaj zog sib haum. Raws li qhov tshwm sim, txheej ua kom ruaj khov dua rau cov hlau, txo qhov ntxim nyiam ntawm cov tev, chipping, lossis delamination. Nyob rau hauv cov rooj tog tsim kev lag luam, phospating cov hlau thav duab ua ntej thov cov teeb pom kev zoo nkauj kom ua rau lawv muaj kev ntseeg siab thiab muaj txiaj ntsig ntawm cov khoom lag luam.
Ntxiv mus, hauv hlau txias -}}} Extrusion ua haujlwm, thiab stamping, phosphate txheej ua haujlwm raws li cov roj nplua nyeem. Nws txo cov kev sib txhuam ntawm cov hlau workpiece thiab cov cuab yeej ua haujlwm, ua kom yooj yim ntawm cov hlau vwm ntawm cov hlau. Qhov no tsis tsuas yog txhim kho kev ua tau zoo ntawm - Ua haujlwm ua haujlwm tab sis kuj txo cov nqi hnav, txuag cov nqi ntau lawm. Piv txwv li, hauv zus tau tej cov xov hlau, cov phosphaplating kev kho mob ua rau cov xaim hluav taws xob ua kom tau cov xov yooj yim dua, ua rau muaj cov hlau siab nrog tsawg dua qhov kev puas tsuaj.
Hauv cov ntsiab lus, phosphating yog qhov txheej txheem thiab tsis tseem ceeb hauv kev kho mob hlau, nrog nws cov ntawv thov hla kev txhim kho cov khoom lag luam zoo, ua tau zoo, thiab lub neej.
Zinc phosphating
Kev ua
Zinc phosphat yog ib qho txheej txheem phosphallating uas tsim cov zinc - phosphote txheej ntawm cov hlau nto. Cov txheej txheem feem ntau muaj ntau kauj ruam. Ua ntej, cov hlau workpiece yog kom huv si kom tshem tawm cov av, roj, roj, roj, thiab lwm yam paug. Qhov no tuaj yeem ua tiav los ntawm cov hau kev xws li Alkaline Degreeze, qhov twg workpiece yog raus hauv ib qho kev daws teeb meem alkaline kom tawg thiab tshem cov organic tshuaj. Tom qab degreasing, lub workpiece rinsed nrog dej kom tshem tawm cov seem degreasing tus neeg sawv cev.
Tom qab ntawd, nws undergoes nto hloov kho. Kev kho kom haum yog cov kauj ruam tseem ceeb thaum nws ua kom covhlaunto, ua rau nws txais kev pab rau phosphets ntau. Feem ntau, ib qho colloidal titanium - Kev daws teeb meem yog siv rau kev hloov kho kom haum. Titanium hais hauv kev daws cov qauv adsorb mus rau hauv cov hlau saum npoo av, tsim ntau qhov chaw nquag rau cov tshuaj tiv thaiv phosphated tom ntej.
Tom ntej no, tus neeg ua haujlwm yog raus hauv ib qho zinc - phospating tov. Cov kua qaub nyob rau hauv kev daws cov tshuaj tiv thaiv nrog cov hlau saum npoo, yaj ib qho me me ntawm cov hlau thiab tsim hydrogen ions. Cov zinc ions hauv cov tshuaj sib txuas nrog phosphate ions thiab hlau} {}} phosphote txheej ntawm cov hlau nto.
Tom qab phosphating, workpiece tau ntxuav dua nrog dej kom tshem tawm cov lus uas seem ntawm cov lus hais thiab los ntawm {{}} cov khoom. Thaum kawg, nws yuav raug xa mus rau ib qho lus tshaj tawm- Kev kho mob xws li passivation los yog sib khi kom txhawb ntxiv cov kev ua tau zoo ntawm cov zinc {}} phosphote txheej. Passivation koom nrog phosphated nto nrog tshuaj chromate (xws li chromate {{5 5} tuaj yeem txhim kho corrosion tsis kam. Sealing yog feem ntau ua tiav los ntawm immersing lub workpiece hauv kev daws teeb meem (xws li ciab, roj, los yog redin {} raws cov pores ntawmphosphatetxheej, txhim kho nws corrosion tsis kam thiab tsos.
Cov Ntawv Thov
Zinc Phosphaited, nrog nws cov yam ntxwv zinc - Tshuaj Txheej, muaj ntau cov ntawv thov hla ntau yam kev lag luam vim nws cov khoom tau zoo.
Nyob rau hauv kev lag luam automotive, nws yog ib qho tseem ceeb pretrice rau lub cev lub cev thiab cov khoom siv. Rau lub cev lub cev, zinc - phosphote txheej muab cov laj thawj khoom rau cov txheej txheem pleev xim rau tom ntej. Nws tseem ceeb txhim kho cov nplaum ntawm cov xim pleev xim rau cov hlau saum npoo av, kom meej tias cov xim pleev xim khov kho thiab tusyees. Qhov no tsis tsuas yog txhim kho qhov zoo nkauj ntawm lub tsheb tab sis kuj tiv thaiv cov hlau los ntawm corrosion. Hauv kev tshawb fawb los ntawm cov chaw tsim khoom Automotive loj, nws pom tias cov tsheb nrog zinc {5%} phospans tsis kam piv rau cov uas tsis muaj phosphatic kom zoo. Cheebtsam xws li cov chaw cav, cov cheebtsam chassis, thiab cov khoom ncua thiab ncua kev kawm tau tseem yog feem ntau zinc- phosphlated. Lub zinc - phosphote txheej ntawm cov ntu no tuaj yeem tiv taus qhov siab {} {{{{} kev sib cav sib ceg ib puag ncig hauv lub cav thiab chassis. Piv txwv li, ntawm lub cav crankshafts, zinc {{14 14 14 14 14 14 14}} phospphate txheej txiav tawm, txhim kho kev ua haujlwm tiv thaiv, thiab ncua kev pabcuam lub neej ntawm crankshaft.
Nyob rau hauv kev tsim kho tshuab kev tsim kev lag luam, zinc phosphat yog siv ntau yam rau ntau yam chaw. Rau zog, cov zinc - xov tooj ntawm cov kev sib txhuam thaum ua haujlwm, txhim kho cov efficiency ntawm lub zog kis. Nws tseem txhim kho cov coj tsis kam ntawm cov txiaj ntsig, tshwj xeeb tshaj yog nyob rau hauv high--} kev siv ceev. Raws li kev tshawb fawb hauv cov neeg kho tshuab Engineering, zog nrog Zinc {}} phosphote txheej txheem ua haujlwm tau pom tias yog 1000 teev kev ua haujlwm txuas ntxiv piv rau qhov tsis {9 phosphaated zog. Rau bolts thiab txiv ntoo, lub zinc {{miece} phosphote txheej muab corrosion tiv thaiv corrosion thiab kom muaj xeb tuaj yeem yooj yim rhuav tshem thiab rov ua haujlwm thaum lub sijhawm saib xyuas.
Lub rooj lag luam kev lag luam kuj tseem muaj txiaj ntsig los ntawm zinc phosphatating. Hlau rooj tog plaub hau sib xyaw ua ke, xws li cov ua los ntawm cov hlau lossis hlau, feem ntau kho nrog zinc phosphat ua ntej pleev xim ua ntej pleev xim. Lub zinc - phosphote txheej tsis tsuas yog txhim kho cov khoom zoo nkauj dua, ua rau nws siv sab hauv thiab sab nraum zoov. Lub ntsej muag zoo {{}}} paub cov rooj tog zaum tau qhia tias lawv zinc {}}}}} Cov teeb meem txaus siab, uas tau txhim kho cov neeg siv khoom txaus siab thiab ua lub koob npe nrov.
Qhov zoo thiab qhov tsis zoo
Zinc phosphaating, nrog nws cov cim zinc - phosphote txheej, muaj ntau yam zoo sib txawv, tab sis nws tseem muaj qee qhov kev txwv.
Ib qho ntawm thawj qhov txiaj ntsig yog nws txoj kev corrosion zoo heev. Lub zinc - phospphate txheej ua raws li lub cev thiab tshuaj lom neeg ntawm cov hlau substrate thiab cov chaw muaj xeb. Nws tuaj yeem tiv thaiv kev nkag mus ntawm oxygen, noo noo, thiab lwm yam tshuaj uas muaj cov xeb, ua tau zoo qeeb ntawm cov txheej txheem xeb. Hauv cov ntsev - tsuag ntsuas, ib qho zinc {}} phosphated steel qauv muaj peev xwm tiv thaiv steel qauv tau pib qhia cov xeb av tom qab tsuas yog 50 teev. Qhov siab siab no - theem qib corrosion ua rau zinc {}} phosphated Cheebtsam haum rau siv nyob rau hauv ib puag ncig ntawm marrine app, thiab qhov chaw sab nraum zoov, thiab qhov chaw tsheb sab nraum zoov, thiab chaw tsheb.
Zinc phosphatating tseem muab cov nplaum zoo rau cov txheej txheej tom ntej. Cov ntaub nyias nyias lug ntawm cov zinc - phosphote txheej tso cai rau cov xim, thiab electro- txheej kom sib cuam tshuam nrog nws. Qhov no ua rau muaj kev sib raug zoo ntawm cov txheej thiab cov hlau ua rau txheej, txo qhov ua kom zoo li ntawm cov xim tev, chipping, lossis delamination. Nyob rau hauv cov txheej txheem tha xim ntawm cov xim tsheb, cov nplaum muaj zog ntawm zinc {} Phosphated Surfaces tuaj yeem ncav cuag qhov tsis yog {{phospholated chaw.
Ntxiv mus, zinc {- phosphote txheej muaj zoo hnav - tsis kam. Lawv tuaj yeem tiv thaiv cov hlau nto ntawm kev puas thaum lub sijhawm ua haujlwm ntawm kev ua haujlwm ntawm cov khoom siv hluav taws xob, txo kev sib txhuam thiab txuas ntxiv rau lub neej. Hauv cov tshuab nrog kev txav chaw, xws li txav chaw thiab muaj cov khoom siv, hnav} Phosphate txheej los tswj kev ua tau zoo thiab raug ntawm cov khoom sib txawv raws sijhawm.
Txawm li cas los xij, zinc phosphating kuj muaj qee qhov tsis zoo. Ib qho ntawm cov kev txhawj xeeb tseem ceeb yog nws qhov cuam tshuam ib puag ncig. Cov txheej txheem phosphating feem ntau ua cov khoom lag luam khib nyiab, suav nrog phosphating sludge thiab wastewater. Phosphating sludge muaj cov hlau hnyav xws li zinc thiab hlau, uas, yog tias tsis kho kom zoo, tuaj yeem ua rau cov av thiab dej ua qias tuaj. Cov dej ntas tuaj yeem muaj phosphates thiab lwm yam tshuaj uas tuaj yeem ua rau eutstrophication ntawm cov dej lub cev yog tias muab tshuaj tua pov tseg yam tsis muaj kev kho mob. Ib qho ntxiv, qee cov tsoos zinc - phosphating cov txheej txheem muaj tshuaj lom neeg xws li cov tshuaj lom neeg xws li cov neeg ceev nyiaj, uas xaiv kev noj qab haus huv rau tib neeg kev noj qab haus huv thiab ib puag ncig.
Lwm qhov tsis txaus ntseeg yog tias zinc - phosphating txheej txheem tuaj yeem yog cov qauv thiab kim. Nws yuav tsum muaj ntau yamtab tom uaCov kauj ruam, suav nrog kev hloov kho, kom haum rau sab, phosphating, thiab tshaj tawm - kev kho. Txhua kauj ruam yuav tsum tau ua tib zoo tswj kom muaj qhov zoo ntawm zinc - phosphote txheej. Qhov yuav tsum tau siv cov cuab yeej tshwj xeeb, tshuaj lom neeg, thiab cov neeg ua haujlwm tau tseem nce tus nqi tsim khoom. Rau me me- nplai cov chaw tsim khoom, tus nqi siab ntawm zinc- phosphaping khoom thiab tshuaj lom neeg tuaj yeem yog qhov cuam tshuam tseem ceeb rau nkag.
Manganese phospating
Yam Ntes Tshwj Xeeb
Manganese phosphatating tsim cov tshuaj phosphote txheej nrog cov yam ntxwv sib zog. Lub manganese -} phosphote txheej yog paub rau nws lub hardness loj. Nrog lub hardness nce mus txog mohs 5 - 6}}} {}} phosphlate txheej uas feem ntau muaj qhov hnyav dua. Qhov siab siab no {- Cov cuab yeej hardness ua rau nws haum rau cov ntawv thov uas qhov chaw nyob uas qhov chaw tiv thaiv kev puas siv tshuab.
Nyob rau hauv cov nqe lus ntawm tshav kub ua hauj, lub manganese - phosphote txheej ua pov thawj kev ua tau zoo heev. Nws tuaj yeem tswj nws txoj kev ncaj ncees thiab kev tiv thaiv kev tiv thaiv ntawm cov chaw kub. Piv txwv li, nws tuaj yeem ua kom muaj kev kub ntxhov txog 200℃hauv cov cua yam tsis muaj kev cuam tshuam tseem ceeb. Nyob rau hauv kev sib piv, ib qho zinc - phosphote txheej yuav pib qhia cov cim ntawm kev rhuav tshem lossis txo qhov ua tau zoo ntawm qhov kub siab tshaj 100 degree. Qhov cua sov no {- tiv taus nta yog qhov tseem ceeb rau cov khoom ua haujlwm hauv qhov siab- qhov chaw dej haus.
Tus qauv ntawm manganese - phosphote txheej yog feem ntau ib tug qauv ntom thiab ntxeem tau. Qhov porosity ntawm cov txheej tso cai rau nws kom nqus lubrical siab zoo, txhim kho nws lubricating cov khoom. Nyob rau tib lub sijhawm, qhov ntom ntawm cov txheej ua rau nws zoo corrosion {}}} tsis kam. Cov corrosion - Tsis kam ntawm lub manganese- phosphote txheej yog qhov tseem ceeb heev. Nws tuaj yeem tiv thaiv cov hlau substrate los ntawm kev corrosion hauv ntau qhov chaw, tshwj xeeb tshaj yog nyob rau hauv cov uas muaj kev muaj cov av noo thiab tshuaj lom neeg. Hauv cov ntsev - tsuag ntsuas, ib qho manganese- phosphated steel qauv tau muaj peev xwm tiv thaiv ntau lwm yam phosphated txheej.
Kev Siv Khoom Siv
Nyob rau hauv lub cav tsheb tsim kho, manganese phospect pom cov ntawv thov uas dav dav. Cov khoom siv xws li piston rings, camshaftts, thiab cov li qub cav feem ntau kho nrog manganese phosphating. Rau piston rings, manganese - phosphote txheej txo kev sib txhuam ntawm lub piston ib ncig thiab lub tog raj kheej phab ntsa. Qhov no tsis tsuas yog txhim kho lub cav tab sis kuj nthuav kev pabcuam lub neej ntawm piston rings. Raws li kev tshawb fawb cav, tshuab nrog manganese- phospated roj piston uas tsis yog {{phospect piston ib ncig.
Nyob rau hauv lub cuab tam -} kev lag luam, manganese-} phosphate txheej ua tau zoo. Cov cuab yeej xws li hnyiab, Taps, thiab milling cutters feem ntau manganese- phosphlated. Lub siab - hardness thiab hnav {{}}}}} phosphote txheej kom cov ntse thiab txiav kev ua tau zoo dua. Piv txwv li, manganese - phospected laum me ntsis tuaj yeem muab cov khoom siv nyuaj rau qhov ua haujlwm nyuaj thiab txo cov nqi.
Hauv kev lag luam AERPACACE, qhov twg cov khoom siv yuav tsum tau tiv thaiv huab, manganese - phosphlated txheej tseem siv. Cheebtsam hauv cov tshuab hluav taws xob thiab tsaws iav lub tshuab qee zaum yog qee zaum kho nrog manganese phosphating. Cov cua sov - tsis kam thiab corrosion {{} {}}}}}}} kev tiv thaiv thiab kev ua haujlwm hauv lub davhlau thiab av. Piv txwv li, nyob rau hauv high - huab cua dav hlau uas qhov ntsuas kub tuaj yeem tiv thaiv lawv ntawm corrosion thiab hnav, ua kom muaj kev sib tw du.
Hlau Phosphats
Cov yam ntxwv cov yam ntxwv
Hlau phosphaplating tshwm sim nyob rau hauv ib tug hlau - phospphate txheej nrog cov yam ntxwv sib txawv. Cov hlau - phosphothate txheej yog qhov yooj yim nyias, feem ntau muaj cov tuab nyob hauv qhov ntau ntawm {} g / m². Qhov no nyias - zaj duab xis Xwm ua rau nws raug nqi-} Siv tau cov txheej txheem phosphetating. Nws yuav tsum tau noj tsawg dua tshuaj piv piv rau qee qhov ua piv txwv rau cov txheej txheem uas ua rau cov txheej txheej tuab.
Cov xim ntawm cov hlau - phosphote txheej feem ntau yog li xim xiav. Kev Tsim qauv, nws muaj nplua - nplej thiab muaj cov qauv coj ua. Txawm li cas los xij, piv rau zinc {4 4}} posphate thiab mangikas {{phosphate xim ci, nws corrosion} tsis kam yog qhov qis dua. Nyob rau hauv ntsev - Kev kuaj kab tsuag, tus hlau {}} phosphated cov qauv tuaj yeem tivthaiv cov cim tuaj yeem tiv thaiv tau ntau dua. Cov hlau - phosphothate txheej tseem muaj cov txiaj ntsig sib luag ntawm cov txheej txheem me me, xws li pleev xim rau cov xim pleev xim. Tab sis qhov kev npau suav no tseem txhais tau tias nws yuav yog ntau ntau rau cov av thiab paug rau qee qhov chaw ib puag ncig.
Cov Ntawv Pov Thawj Saib Xyuas Feem Ntau
Hlau phosphaating, nrog nws cov hlau - phosphote txheej, feem ntau yog siv hauv kev lag luam hluav taws xob. Piv txwv li, ntawm cov khoom siv hlau ntawm qee cov khoom siv hluav taws xob zoo li cov xov tooj ntawm tes xov tooj ntawm tes thiab lub laptop, hlau phosphat yog thov. Cov hlau nyias- phosphote txheej tsis tsuas yog muab cov khoom tiv thaiv corrosion los ntawm kev xeb ntawm cov pleev xim zoo nkauj lossis pleev xim rau ntawm cov khoom siv hluav taws xob. Qhov no ua kom pom tseeb tias cov khoom ntawm cov khoom siv hluav taws xob tseem tsis tau zoo thiab ntxim nyiam thaum lawv ua haujlwm lub neej.
Hauv kev tsim cov me me - nplai hlau {}}} cov ntaub pua plag (xws li phuam da dej Rau cov tais diav ua noj, cov hlau - phosphothate txheej tuaj yeem tiv thaiv cov hlau los ntawm cov khoom noj uas muaj cov zaub mov thiab noo noo thaum siv txhua hnub. Nyob rau hauv rooj plaub ntawm chav dej fixtures, nws tuaj yeem tiv thaiv cov dej noo hauv chav dej. Txawm hais tias qhov corrosion - tsis kam ntawm cov hlau {}} kev siv cov pa taws me me, nws yog qhov txaus rau cov chaw siv hluav taws xob me me, Ib qho ntxiv, tus nqi qis ntawm cov hlau phosphating ua rau nws muaj kev xaiv nyiaj txiag rau cov huab cua-} tsim cov khoom me me.
Calcium phosphating
Cov Khoom Tshwj Xeeb
Calcium phosphallating ua cov calcium - phosphote txheej nrog ntau yam khoom zoo tshaj plaws. Nyob rau hauv cov nqe lus ntawm biocompatibility, nws sawv ntawm ntau yam phosphate txheej. Calcium phosphate yog qhov tseem ceeb inorganic tivthaiv ntawm tib neeg cov pob txha thiab cov hniav. Cov calcium - phosphothate txheej muaj cov tshuaj muaj kuab lom xws li ntawm cov nqaij pob txha pob txha pob txha pob txha, uas tso cai rau nws kom muaj cov ntaub so ntswg zoo. Thaum siv nyob rau hauv biomedical kev cog lus, xws li kev sib koom ua ke los yog kev cog hniav, cov calcium- phosphothate txheej tuaj yeem txhawb kev loj hlob ntawm cov pob txha hlwb ntawm nws qhov chaw. Kev tshawb fawb tau pom tias cov tshuaj phospower (pob txha -}}}}} {{{11 {11 {}} coated voated. Cov cuab yeej no txo qhov kev pheej hmoo ntawm impant tsis lees txais thiab txhim kho qhov ntev- lub ntsiab lus ruaj khov ntawm kev cog lus hauv lub cev.
Ntxiv nrog rau biocompatibility, cov calcium - phosphote txheej thiab cov tshuaj zoo} corrosion tsis kam nyob hauv qee qhov chaw ib puag ncig. Txawm hais tias nws yuav tsis muaj tib theem ntawm corrosion tsis kam raws li ib co kua qaub, nws tuaj yeem tiv thaiv lub corrosion thiab alkalis. Piv txwv li, hauv tib neeg lub cev, qhov twg lub teeb meem kev tawm dag zog yog qhov nruab nrab, tiv thaiv cov hlau hauv qab ntawm cov cua ntawm cov kua hauv lub cev. Nws tseem muaj qee cov kev tiv thaiv mus rau qhov kev txiav txim ntawm cov organic acids thiab ntsev nyob rau hauv lub cev, ua kom lub qhov tsis tu ncua ntawm kev cog lus. Kev Tsim qauv, cov calcium - phosphote txheej feem ntau muaj cov qauv ntxig ntawm micro {{9} qib. Qhov kev sib tw no tau txais txiaj ntsig zoo rau qhov infiltration ntawm cov kua hauv lub cev thiab cov pob txha tshiab mus rau hauv cov txheej txheem tshiab, ntxiv txhim kho kev sib xyaw nrog cov pob txha ib puag ncig. Txawm li cas los xij, tus qauv ntxig no txhais tau tias nws lub zog kho tshuab, yog qhov qis dua piv rau qee qhov kev sib tw phosphate zoo li mangikas- phosphote txheej. Tab sis nyob rau hauv cov ntsiab lus ntawm biomedical apps, nws biocompatibility thiab tshuaj- corrosion tsis kam nyob rau hauv lub cev ib puag ncig yog qhov tseem ceeb tshaj plaws.
Kev sib piv thiab xaiv cov hom phosphatating sib txawv
Kev sib piv sib piv
Corrosion Kuj
Zinc -} phosphate cov txheej corrosion tsis kam. Lawv tuaj yeem tiv thaiv cov hlau substrate los ntawm cov kev cuam tshuam corrosive los ntawm oxygen, noo noo, thiab qee cov tshuaj. Hauv cov qauv ntsev {{}} tsuag ntsuas, ib qho zinc {}}}} spin} tsuag tsuag ua ntej kev pom cov paib tseem ceeb ntawm kev xeb. Qhov no ua rau nws haum rau cov ntawv thov uas cov hlau raug rau kev mob nruab nrab {}} - lub hom phiaj Machinery qhov chaw.
Manganese -} phosphate txheej muaj cov tshuaj tiv thaiv corrosion zoo heev. Lawv tus qauv tuab muab cov laj thawj muaj zog tiv thaiv corrosion. Nyob rau hauv tib ntsev - tsuag ntsuas, ib manganese- phosphlated cov qauv tuaj yeem tiv taus corrosion rau ntau dua 720 teev. Qhov siab siab no {- theem qib corrosion ua rau nws zoo tagnrho rau cov khoom ua haujlwm hauv ib puag ncig kev phem thiab hnyav {8} Doses Machinery Industries.
Hlau -} phosphate xim ci muaj qhov qis qis corrosion tsis kam piv rau zinc thiab manganese phosphates. Hauv cov ntsev - tsuag ntsuas, lawv tuaj yeem pib qhia cov cim ntawm kev xeb tom qab {}} teev. Txawm li cas los xij, rau qee cov ntawv thov uas muaj tsawg- kev lag luam me, xws li}} {8} {: {tsis txaus.
Calcium - e} phosphote txheej muaj cov tshuaj zoo {}} corrosion tsis kam ntawm tib neeg lub cev. Lawv tuaj yeem tawm tsam cov kev cuam tshuam xeb ntawm cov kua dej ntawm lub cev, uas yog me ntsis acidic rau nruab nrab. Txawm hais tias lawv corrosion - tsis kam yuav yog qhov kev lag luam biomedical, nyob rau hauv cov ntsiab lus biomedical hauv kev tiv thaiv cov pa hluav taws xob ntawm lub cev sab hauv.
Hnav Tsis kam
Manganese -} phosphate txheej ci yog qhov muaj tseeb rau lawv cov hnav- tsis kam. Lawv lub siab hardness (mohs 5 - 6) ua rau lawv tiv thaiv cov tshuab ua kom zoo. Hauv cov khoom siv tshuab nrog kev ua haujlwm siab, xws li cav piston piston thiab lub zog, manganese} phosphote txheej tuaj yeem txo cov kev hnav. Piv txwv li, hauv lub cav, piston rings nrog manganese {8} {{- phospated piston rings.
Zinc - e} phosphote txheej tseem muaj cov ntoo zoo- tsis kam. Lawv tuaj yeem tiv thaiv cov hlau nto los ntawm kev puas thaum lub sijhawm ua haujlwm ntawm cov khoom siv kho tshuab. Hauv cov tshuab nrog kev txav mus los, cov zinc {{4} phosphothate txheej pab tswj cov kev ua tau zoo thiab raug ntawm cov khoom sib txawv raws sijhawm. Txawm li cas los xij, lawv cov hnav - Tsis kam yog qis dua qis dua li ntawm manganese- phosphate txheej.
Hlau -} phosphate xim txheej muaj qhov tsawg dua cov khaub ncaws - tsis kam. Lawv nyias - Cov duab ua yeeb yaj kiab thiab qis dua hardness ua rau lawv haum kom haum rau kev siv nrog high {4} kev yuav tsum tau ua. But for some applications where the wear stress is not high, such as in the production of small - scale metal - made daily - use items, their wear - resistance can meet the basic usage needs.
Calcium - phosphate xim ci ntsa iab muaj zog los ua kom tau raws li lawv cov qauv ntxig rau hauv {{}}}}}}} {}} {}} {}}}} {}}} {}} {}}}}}} {}}}}}}}} {} {}}} {}}}}}}}}}}} {}}}}}}}} {tus tsis kam.
Kua nplaum
Zinc -} phosphate txheej ci ua cov nplaum zoo rau cov txheej txheej tom ntej. Lawv txoj kev ntxhib thiab ntxeem tau tso cai pleev xim xws li pleev xim, hmoov txheej, thiab electro- txheej los sib txuas nrog lawv. Nyob rau hauv lub automotive painting txheej txheem, lub adhesion lub zog ntawm cov xim ntawm zinc {}} Hatch Adhesion Surchent thiab tusyees ating ntawm txheej tev xim, chipping, lossis delamination.
Hlau -} phosphate xim tseem tseem muaj cov khoom nplaum zoo. Lawv nplua {{2} nplej thiab ntxhib {{{{}} qib yuav tuaj yeem txhim kho cov nplaum ntawm qee yam nplaum, tshwj xeeb tshaj yog pleev xim. Qhov no ua rau lawv haum rau kev siv rau qhov twg lub hom phiaj tseem ceeb yog txhawm rau txhim kho cov nplaum lossis tiv thaiv cov khoom siv hluav taws xob thiab cov khoom siv niaj hnub,}
Manganese -} Phosphate xim nplaum muaj qhov zoo nkauj zoo nkauj, lawv cov khoom muag zoo li cov xim hlau yuav yog qhov qis dua me ntsis thiab tawv ncauj. Txawm li cas los xij, rau txheej txheej uas yuav tsum muaj siab {}} kub ua haujlwm, xws li qee cov ntaub ntawv tshwj xeeb ua tau zoo, lawv cov nplaum muaj zog tuaj yeem ua tau raws li cov cai.
Calcium - e} phosphlate txheej hauv biomedical daim ntawv thov tuaj yeem txhawb nqa cov kab mob biomedical, uas yog ib qho cim ntawm "adhesion" nyob rau hauv cov ntsiab lus ntawm kev nyob sib xyaw. Nyob rau hauv cov nqe lus ntawm cov khoom lag luam tsoos tsho rau kev siv cov txheej txheej, lawv cov nplaum nplaum tsis muaj qhov tseem ceeb uas yog cov ntawm lwm yam ntawm phosphate txheej siv hauv cov ntawv thov kev lag luam.
Xaiv cov khoom siv
Khoom siv hlau
Rau cov ntaub ntawv hlau, txhua hom phosphating tuaj yeem siv, tab sis kev xaiv yog nyob ntawm cov kev cai tshwj xeeb. Zinc phosphat yog muaj ntau rau General - Cov khoom lag luam zoo nkauj vim nws qhov kev ua tau zoo ntawm corrosion tsis kam thiab adhesion. Manganese phosphaating yog feem ntau siv rau high- lub zog steel cheeb tsam uas xav tau high {{}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}} Hlau phosphating tuaj yeem siv rau qee qhov qis {{8} - kev ua tiav steel {}}-} siv cov khoom.
Rau aluminium alloys, txawm hais tias phosphatating tuaj yeem nqa tawm, cov txheej txheem thiab hom phosphating yog txawv ntawm cov neeg hlau. Muaj qee kis, tshwj xeeb zinc -}}}. Txhim kho phosphate cov txheej txheem los txhim kho lawv cov kab mob corrosion los txhim kho lawv cov corrosion tsis kam thiab cov nplaum rau cov txheej txheej tom ntej.
Kev Siv Ib puag ncig
Nyob rau hauv ib puag ncig nyuaj heev nrog cov av noo, tshuaj lom neeg muaj zog, xws li}}} {{3} {tsis kam.
Rau cov khoom lag luam siv nyob rau hauv ib puag ncig sab hauv tsev nrog cov khoom siv tsawg {} paab li cov khoom siv hluav taws xob, xws li {{{}} phospholated txheej tuaj yeem siv tau. Hlau -} phospated txheej txheem tiv thaiv yog tias qhov kev ua kom zoo dua yog tias xav tau cov txheej txheem zoo nkauj yog xav tau.
Hauv cov ntawv thov biomedical, calcium - phosphated txheej, uas tso cai rau lawv biocompatibility, uas tso cai rau tib neeg lub cev cov ntaub so ntswg thiab tiv thaiv kev xeb ntawm cov kua ntawm lub cev.
Tus nqi yuav tsum tau ua
Hlau phosphating feem ntau yog tus nqi tshaj plaws -} kev xaiv zoo. Nws yuav tsum tau haus cov kev noj haus tsawg dua vim yog tsim ntawm cov hlau nyias nyias -- phosphote txheej. The process is also relatively simple in some cases, making it suitable for mass - produced products with cost - sensitive requirements, such as small - scale metal - made daily - use items and some low - end electronic components.
Zinc Phospating yog qhov sib npaug ntawm tus nqi thiab kev ua tau zoo. Tus nqi ntawm zinc - phosphlating txheej txheem suav nrog cov tshuaj, khoom siv, thiab siv hluav taws xob. Txawm li cas los xij, nws cov ntawv thov dav ntau thiab zoo zuag qhia tag nrho rau ntau qhov kev lag luam, zoo li cov neeg tuaj yeem them taus cov txheej txheem kev kho mob ntau, zoo li lub tsheb thiab dav} kev lag luam.
Manganese phospating yog qhov kim tshaj. Tus nqi yog feem ntau vim yog cov tshuaj tshwj xeeb siv nyob rau hauv cov txheej txheem thiab cov txheej txheem nruj dua cov txheej txheem kom tau txais nws qhov siab- kev ua haujlwm. Nws yog feem ntau yog siv rau high - tus nqi uas yuav tsum tau ua kom cov kev ua tau zoo, xws li hauv lub cav tsim khoom lag luam.
Calcium - phosphat nyob rau hauv cov ntawv thov biomedical muaj tus nqi siab feem ntau yog tias kev tswj hwm nruj thiab cov ntaub ntawv raw nruj. Tus nqi yog feem ntau tau nyob rau hauv cov kev xaiv biomedical xav txog qhov tseem ceeb ntawm kev cog lus ntawm kev ua tau zoo thiab ntev} Cov txiaj ntsig rau cov neeg mob.
Tseem Ceeb Takolayways thiab cov Evolling toj roob hauv pes phosphating
Cov ntsiab lus ntawm cov ntsiab lus tseem ceeb
Hauv cov ntsiab lus, phosphating yog cov hlau tseem ceeb heev- cov txheej txheem kho mob, txhua tus nrog nws tus kheej cov yam ntxwv tshwj xeeb, kev siv, thiab profiles ua kev ua tau zoo. Zinc Phosphaited, nrog nws cov zinc - phosphothate txheej, tshuab, khoom siv zoo heev rau nws cov nplaum zoo rau cov txheej txheem, thiab hnav {{tsis kam. Txawm li cas los xij, nws qhov cuam tshuam ib puag ncig thiab cov txheej txheem sib txawv thiab cov txheej txheem tseem ceeb yog thaj chaw ntawm kev txhawj xeeb. Manganese phosphaating, featuring manganese-} {} {} {} {}}}} kev ua, thiab ua cov khoom siv. Hlau phosphaating, tshwm sim hauv ib tus hlau {{mi} E}}}}}}}} {{16} {tsis kam. Calcium phosphaating, nrog nws biocompibive calcium- phosphot txheej, yog cov tshuaj tsis zoo, muab cov tshuaj tsis zoo, muab cov tshuaj zoo {19} corrosion tsis kam nyob rau hauv lub cev ib puag ncig. Thaum xaiv hom phosphating, cov khoom siv xws li cov khoom siv hlau, kev siv yuav tsum ua tib zoo xav txog qhov ua tau zoo tshaj plaws thiab raug nqi} ua hauj lwm zoo. PHOOSPHATE Txheej, tsis hais txog nws hom, ua si lub luag haujlwm tseem ceeb hauv kev txhim kho cov khoom siv ntawm cov hlau ua kom pom kev, txawm tias nws yog cov khoom lag luam zoo ib yam li biocompatibility zoo li biocompatibility.
Yav Tom Ntej Kev Tshawb Fawb
Saib tom ntej, cov kev tshawb fawb thiab kev txhim kho phosphating thev naus laus zis yog qhov yuav tsom rau ntau qhov chaw tseem ceeb. Firstly, yuav muaj kev ua haujlwm txuas ntxiv ntawm cov qauv zoo nkauj ib puag ncig ntawm cov hau kev. Qhov no suav nrog kev txo cov tshuaj lom nyob rau hauv phosphats txheej txheem, xws li hloov cov kev ua kom nrawm nrawm xws li nitrites nrog tsis- ua rau lwm txoj hauv kev. Tsis tas li ntawd, kev siv zog yuav raug ua kom txo qis ntau tiam neeg pov tseg, xws li kev tsim cov tshuaj phosphatating thiab cov dej khib nyiab los txo kev ua qias tuaj.
Thib ob, kev txhim kho phosphating txheej txheem nrog kev ua tau zoo dua yog lwm qhov tseem ceeb. Qhov no yuav suav nrog kev txhim kho lub corrosion thiab hnav- Tsis kam ntawm phosphate pleev xim ntxiv, nrog rau kev txhim kho lawv cov nplaum nplaum hauv qab ntau cov kev mob. Piv txwv, kev tshawb fawb tuaj yeem raug qhia rau kev tsim cov txheej phosphate uas tuaj yeem tiv thaiv txawm tias muaj kev txhoj puab ntau duatshuajenvironments, expanding their applications in high - performance industries like advanced aerospace and deep - sea exploration.
Ntxiv mus, nrog kev txhim kho ntawm Nanotechnology, tej zaum yuav muaj kev tshawb nrhiav ntawm phosphatating los tsim Nano {}} Cov qauv phosphate. Cov txheej txheej no tuaj yeem nthuav tawm cov khoom muaj txiaj ntsig, txhim kho corroscale, thiab zoo dua compatibility nrog cov khoom siv xwm txheej thiab kev tsim khoom.
Thaum kawg, raws li cov ntaub ntawv tshiab thiab kev tsim khoom tsim tawm, phosphating thev naus laus zis yuav tau hloov kho. Piv txwv li, hauv kev txhim kho cov ntaub ntawv tshiab tshiab lossis cov khoom siv ntxiv rau cov txheej txheem phosphatating thiab cov kws tshawb fawb no tau ua kom pom zoo kom ua kom tau zoo tshaj plaws ntawm cov khoom lag luam tshiab ntawm cov khoom lag luam hlau. Zuag qhia tag nrho, lub neej yav tom ntej ntawm phosphating technology muaj peev xwm rau kev tsim kho tshiab thiab kev txhim kho kom tau raws li cov kev lag luam ntau ntxiv.