Aluminium hardening yog cov cuab yeej tseem ceeb los txhim kho tus nqi ntawm nws cov ntawv thov kev lag luam, suav nrog cov hauv paus ntsiab lus, txheej txheem, kev sim thiab lwm yam tseem ceeb. Cov kab lus no tsom mus rau lub hauv paus ntawm lub hnub nyoog hardening, disassembles cov ntsiab lus tseem ceeb ntawm kev ua haujlwm, thiab pab kom paub meej cov kev txawj ntxiv dag zog ntawm aluminium profiles.
"Hardening Aluminium" txhais li cas?
Aluminium hardening, tseem hu ua lub hnub nyoog hardening lossis nag lossis daus hardening, yog txheej txheem tseem ceeb los txhim kho lub zog thiab hardness ntawm txhuas thiab txhuas alloys los ntawm kev kho cua sov. Lub hauv paus ntsiab lus tseem ceeb yog tias txhuas yog rhuab mus rau qhov kub thiab txias kom cov ntsiab lus alloying tau yaj tag nrho thiab tom qab ntawd txias sai heev los tsim cov tshuaj supersaturated. Qhov no tsis ruaj tsis khov microstructure ua rau qeeb nag lossis daus ntawm me me precipitated theem hais, uas ua tau zoo impede lub dislocation txav nyob rau hauv cov hlau, yog li ho txhim khu lub mechanical zog ntawm lub profile yam tsis tau hloov nws cov duab. Cov txheej txheem no yog siv dav hauv kev lag luam niaj hnub, tshwj xeeb tshaj yog nyob rau hauv cov xwm txheej uas yuav tsum muaj qhov sib npaug ntawm lub zog thiab lub teeb. Tsis zoo li lwm cov txheej txheem hardening, lub hnub nyoog hardening tuaj yeem tswj hwm cov khoom ntawm txhuas thiab muaj kev ruaj ntseg siab thaum lub sij hawm tus txheej txheem, ua rau nws yog ib qho tseem ceeb technology txhawb rau aerospace, automotive thiab lwm yam high-end teb.
Cov txiaj ntsig tseem ceeb ntawm Age Hardening Aluminium
Hnub nyoog-hardening coj ib tug xov tooj ntawm kev ua tau zoo leaps rau txhuas profiles, muab lawv irreplaceable zoo nyob rau hauv ib tug ntau yam ntawm daim ntawv thov scenarios. Ua ntej, lublub zog thiab hardnessntawm aluminium profiles tau zoo heev. Los ntawm kev txhawb nqa cov nyhuv ntawm precipitated theem hais, lub zog tensile thiab hardness ntawm txhuas profiles tuaj yeem ncav cuag ob peb zaug ntawm lub xeev tsis kho, thaum tuav qhov qis qis, yog li paub txog qhov tseem ceeb ntawm "lub teeb thiab muaj zog". Optimized grain qauv yog lwm qhov tseem ceeb, kev tswj xyuas nruj ntawm cov txheej txheem tsis tuaj yeem tsim ib qho kev faib tawm ntawm cov theem zoo precipitated, yog li ntawd.mechanical zog ntawm aluminium yog ruaj khov dua, kom tsis txhob ua tsis tiav los ntawm cov ntsiab lus tsis muaj zog hauv zos. Nyob rau hauv cov nqe lus ntawmhnav tsis kam thiab corrosion kuj, lub hardened aluminium nto hardness yog kho kom zoo dua tiv thaiv kev sib txhuam tsis zoo, thiab qee qhov ntawm cov alloys raug kho los txhim kho corrosion, uas yog tshwj xeeb tshaj yog haum rau hnyav ib puag ncig xws li marine thiab sab nraum zoov. Dimensional stability Nws kuj yog ib qho tseem ceeb kom zoo dua ntawm lub hnub nyoog hardening, kev kho cua sov txheej txheem deformation yog me me, tuaj yeem ua tau raws li qhov yuav tsum tau muaj qhov tseeb ntawm qhov tseeb. Tsis tas li ntawd, los ntawm kev kho qhov kub thiab lub sijhawm, cov khoom siv hluav taws xob ntawm txhuas tuaj yeem hloov kho kom pom qhov zoo tshaj plaws ntawm qhov sib npaug ntawm lub zog, toughness, ductility, thiab piv rau lwm cov txheej txheem ntxiv dag zog, lub hnub nyoog hardening yog tus nqi ntau dua thiab tsim nyog rau kev lag luam loj.
Kev sib txawv ntawm Aluminium KubKev kho mob
Annealing
Annealing yog ib qho ntawm cov txheej txheem yooj yim tshaj plaws hauv kev kho cua sov aluminium, thiab yog siv los tshem tawm kev ua haujlwm hnyav uas tshwm sim thaum ua haujlwm txias, forging, thiab lwm yam txheej txheem. Cov txheej txheem muaj cua sov ntawm cov txhuas mus rau qhov kub ntawm 570 ° F mus rau 770 ° F, tuav rau 30 feeb mus rau 3 teev nyob ntawm seb qhov loj ntawm qhov profile thiab alloy muaj pes tsawg leeg, thiab tom qab ntawd txias maj mam mus rau chav sov. Cov txheej txheem no rov ua kom cov npoo npoo hauv cov txhuas, tso tawm cov kev ntxhov siab sab hauv, thiab rov ua kom ruaj khov ntawm cov qauv nplej. Lub ductility ntawm annealed aluminium yog nce ntxiv, ua rau nws yooj yim dua rau kev khoov tom ntej, stamping, thiab lwm yam txheej txheem, nrog rau kev kho warpage distortions uas tshwm sim thaum casting thiab tiv thaiv tawg thaum siv. Ob lub tshav kub-kho tau thiab tsis yog-kub-kho cov alloys tuaj yeem raug annealed los txhim kho cov txheej txheem.
Kev daws kubTkev kho mobProcess
Solution kev kho cua sov yog ib kauj ruam tseem ceeb ua ntej lub hnub nyoog hardening, thiab nws lub hom phiaj tseem ceeb yog kom tag nrho yaj cov alloying ntsiab nyob rau hauv lub txhuas los ua ib homogeneous ib-theem khoom tov. Cov txheej txheem cuam tshuam nrog cov cua sov ntawm cov txhuas mus rau 825 ° F-1050 ° F (me ntsis hauv qab lub melting point ntawm cov hlau), nrog tuav lub sij hawm hloov raws li qhov luaj li cas ntawm ib feem, xws li 10 feeb rau qhov me me mus txog 12 teev rau qhov loj. Tom qab cua sov, cov txhuas yog sai sai quenched, feem ntau yog nyob rau hauv dej los yog ib tug polymer tov. Cov dej quenching yog ceev ceev thiab tiv thaiv cov nag lossis daus thaum ntxov ntawm cov ntsiab lus alloying mus rau qhov siab tshaj plaws ua tau, ua kom muaj cov kua dej supersaturated;thaum polymer quenching yog qhov tsim nyog rau cov duab nyuaj los yog nyias-walled profiles, txo cov kev ntxhov siab sab hauv tsim thaum lub caij txias thiab txo qhov kev pheej hmoo ntawm kev tawg thiab deformation. Tom qab cov txheej txheem kev kho mob, cov txhuas yog nyob rau hauv ib tug mos mos lub xeev, uas pab txhawb kev machining tom ntej thiab npaj nws rau lub hnub nyoog kawg-hardening.
Homogenizing
Homogenizing yog tsuas yog siv rau casting txhuas profiles los daws qhov teeb meem ntawm compositional segregation uas tshwm sim thaum lub sij hawm casting txheej txheem. Thaum lub sij hawm casting txias, txheej txheej ntawm aluminium solidifies ua ntej tsim cov ntshiab aluminium nplej, thaum alloying ntsiab lus nrog cov ntsiab lus melting ntau dua yuav sib sau ua ke hauv qhov chaw, ua rau cov khoom tsis sib xws hauv thiab sab nraud ntawm qhov profile thiab cuam tshuam rau kev ua haujlwm tom ntej thiab siv. Homogenization kev kho mob yog ua los ntawm cua sov cov cam khwb cia txhuas rau 900 ° F-1000 ° F, tuav nws rau ib lub sij hawm ntawm lub sij hawm kom cia cov alloying ntsiab kom tag nrho diffuse thiab ua tiav ib tug uniform tis ntawm lub Cheebtsam, thiab maj mam txias nws los kho lub xeev no. Tom qab kev kho mob, tag nrho cov khoom siv ntawm cov cam khwb cia txhuas zoo ib yam, ua rau nws tsis yooj yim rau txheej txheem, thiab tiv thaiv molding tsis ua hauj lwm los yog kev ua haujlwm tsis zoo thaum siv vim qhov sib txawv hauv zos.
Kev laus
Kev laus kev kho mob yog qhov txuas tseem ceeb ntawm aluminium hardening, muab faib ua ntuj aging thiab dag dag ob txoj hauv kev, cov ntsiab lus yog cia cov tshuaj supersaturated tom qab cov tshuaj kho tau los nag lossis daus ntawm cov txheej txheem nag lossis daus. Kev laus tsis tas yuav tsum muaj cua sov ntxiv, cov quenched aluminium tuaj yeem muab tso rau hauv chav tsev kub ib puag ncig, feem ntau ntawm cov nyhuv hardening tiav nyob rau hauv 24 teev, tag nrho stabilized tuaj yeem txhim kho lub zog thiab hardness. Txoj kev no tsim nyog rau cov xwm txheej uas tsis tas yuav muaj lub voj voog ntau lawm thiab kev ua haujlwm me me, tab sis nws yuav tsum tau muab sau tseg tias cov txheej txheem molding yuav tsum tau ua kom sai li sai tau tom qab cov txheej txheem kev laus ua tiav kom tsis txhob muaj qhov hnyav dhau los cuam tshuam rau kev ua haujlwm. Artificial aging (tseem hu ua nag lossis daus hardening) accelerates precipitated theem nag lossis daus los ntawm cov cua sov ua kom sov, ua kom sov aluminium rau 240 ° F-460 ° F, tuav rau 6-24 teev, thiab tom qab ntawd txias. Txoj kev no yog qhov ua tau zoo dua thiab meej hauv kev tswj cov khoom, tso cai rau cov txhuas kom ua tiav cov qib siab zog rau cov ntawv siv high-end qhov hardness tseem ceeb heev. Artificial aging tsis txawvconsiderably los ntawm alloy mus rau alloy thiab yuav tsum nruj kub thiab lub sij hawm profiles raws li cov khoom tshwj xeeb.
Nkag siab txog Aluminium Temper Designations thiab Hom Hom
Aluminium extrusion muaj ib tug hyphenated raws li txoj cai code txuas rau lub hauv paus alloy tooj, piv txwv li, "-T73" nyob rau hauv 7075-T73 yog tus txheej xwm code. Aluminium alloys muaj plaub yam kev cai tsim, -F (machined), -O (annealed), -H (strain-hardened), thiab -T (kub-kho). Lub npe thib tsib, - W, yog siv los piav qhia txog qhov mob quenched tom qab kev kho cua sov thiab ua ntej kev laus los yog kev laus hauv chav tsev. Cov hauv qab no yog cov ntsiab lus tshwj xeeb rau txhua hom mob: H111: Siv rau cov khoom uas muaj strain hardening hauv qab qhov yuav tsum tau ntawm covtswj H11 mob. H112: Siv rau cov khoom lag luam uas tau txais qee yam mob thaum lub sij hawm molding (tsis muaj kev tswj tshwj xeeb ntawm cov tawv tawv los yog kev kho cua sov), tab sis tau txhais cov cuab yeej cuab tam txwv. Cov kab mob H-series hauv qab no yog siv tshwj xeeb rau deformed aluminium alloys nrog rau cov ntsiab lus magnesium nominal ntau dua 4%: H311: Rau cov khoom uas muaj strain hardening hauv qab qhov yuav tsum tau ntawm cov kev tswj H31. T1: Ib txwm muaj hnub nyoog mus rau lub xeev ruaj khov tom qab txias los ntawm kev kub siab ua txheej txheem. T2: Annealed mob (muaj feem xyuam rau cov khoom pov tseg nkaus xwb). T3: Kev ua haujlwm txias tom qab kev kho cua sov, muaj feem xyuam rau cov khoom uas lub zog yog txhim kho los ntawm kev ua haujlwm txias, lossis qhov chaw ua haujlwm txias ua haujlwm hauv cov txheej txheem kev sib tw thiab kev ncaj ncees tau suav nrog hauv kev txiav txim siab ntawm cov cuab yeej cuab tam txwv. T4: cov khoom siv hluav taws xob kho cua sov tom qab kev laus laus mus rau lub xeev ruaj khov, siv tau rau cov khoom siv hluav taws xob kho cua sov tsis ua haujlwm txias, lossis ua haujlwm txias hauv cov txheej txheem ntawm theem, ncaj, lub luag haujlwm ntawm kev ua haujlwm txias tsis suav nrog cov khoom siv hluav taws xob txwv tus nqi ntawm kev txiav txim siab ntawm cov khoom. T5: Tom qab txias los ntawm cov txheej txheem kub molding, kev kho kev laus. T6: Kev kho cua sov ua raws li kev laus laus, cov cuab yeej cuab tam txwv tsis pub muaj kev cuam tshuam los ntawm kev ua haujlwm txias, feem ntau ntawm cov alloys hauv - W xeev thiab - T4 xeev tuaj yeem ncav cuag - T6 lub xeev tom qab kev laus laus. T7: Kev kho cua sov ua raws li kev ruaj ntseg, haum rau cov khoom lag luam uas tau ruaj khov tshaj qhov taw tes ntawm lub zog siab tshaj plaws kom ua tiav qhov kev loj hlob ntawm kev loj hlob thiab kev tswj kev ntxhov siab. T8: Cov khoom siv hluav taws xob kho cua sov ua raws li kev ua haujlwm txias thiab tom qab ntawd cov khoom siv dag zog, rau cov khoom siv uas muaj zog tau nce los ntawm kev ua haujlwm txias lossis qhov chaw ua haujlwm txias ua haujlwm nyob rau hauv cov txheej txheem kev sib tw thiab kev sib tw ncaj nraim tau coj mus rau hauv tus account hauv kev xav txog cov cuab yeej cuab tam txwv.
Yam Uas Muaj Feem Xyuam Ntawm Aluminium Hardness
Alloying Element Cov ntsiab lus
Alloying cov ntsiab lus yog cov hauv paus ntsiab lus uas txiav txim siab hardness ntawm aluminium profiles, thiab qhov piv ntawm cov ntsiab lus sib txawv ncaj qha cuam tshuam cov nyhuv hardening. Piv txwv li, 7075 aluminium alloy muaj 5.1%-6.1% zinc, 1.2%-2.0% tooj liab thiab 2.1%-2.9% magnesium, hardness yog ho siab dua li ntawm 6061 aluminium alloy, thaum 6061 aluminium alloy nrog magnesium (1.0% -1.5%) thiab silicon (0.8%), qhov tseem ceeb ntawm cov ntsiab lus tsis tshua muaj zog. nrog zoo weldability thiab processability. Zinc, tooj liab thiab magnesium yog cov ntsiab lus tseem ceeb los txhim kho lub hardness ntawm txhuas, thiab lawv cov ntsiab lus yuav tsum raug tswj raws li cov kev cai ntawm daim ntawv thov: cov ntsiab lus siab ntawm cov ntsiab lus alloying yog tsim nyog rau kev nrhiav lub zog kawg ntawm qhov xwm txheej, thaum qhov sib npaug sib npaug tuaj yeem coj mus rau hauv tus account ob lub zog thiab kev ua haujlwm, kom tau raws li qhov xav tau ntawm kev lag luam dav dav.
KubTkev kho mobParameters
Cov txheej txheem kev kho cua sov yog cov ntsiab lus tseem ceeb los tswj cov hardness ntawm aluminium profiles, thiab qhov sib txawv ntawm txhua qhov ntsuas yuav cuam tshuam ncaj qha rau qhov kawg hardness. Qhov kub thiab tuav lub sij hawm ntawm cov khoom siv kho mob yuav tsum tau xyuas kom meej tias cov alloying ntsiab yog yaj tag, tsis txaus kub los yog tuav lub sij hawm luv luv yuav ua rau kom tsis txaus dissolution, cov tom ntej hardening nyhuv ntawm aging kuj zoo heev txo; quenching ceev txiav txim siab qhov ruaj khov ntawm cov khoom siv supersaturated, txias qeeb yuav ua rau cov ntsiab lus alloying precipitated ua ntej, txo cov peev xwm hardening. Artificial aging nyob rau hauv qhov kub thiab txias heev los yog ntev heev yuav txo qhov hardness; kub tsawg dhau los yog lub sij hawm tsis txaus hardness tsis yog raws li tus qauv. Qhov kub thiab av noo ntawm lub ntuj aging ib puag ncig yuav cuam tshuam rau hardening tus nqi thiab zaum kawg hardness, thiab lub storage ib puag ncig yuav tsum tau tswj.
Manufacturing thiab tiav lub xeev
Cov txheej txheem tsim khoom thiab lub xeev kawg ntawm txhuas cuam tshuam rau hardness. Aluminium ua los ntawm kub nias los yog casting yog feem ntau qis dua hardness; txias ua hauj lwm aluminium yog nyuaj los ntawm kev ua hauj lwm hardening. Cov txheej txheem saum npoo ntawm cov khoom tiav cuam tshuam rau qhov kev sim hardness, e.g. oxidized txheej, khawb, thiab roj tuaj yeem ua rau muaj kev cuam tshuam ntawm qhov kev sim, qhov chaw du yog qhov cuam tshuam ntau dua ntawm qhov tseeb hardness. Qhov sib lawv liag ntawm machining tom ntej kuj tseem ceeb heev. Kev siv tshuab dav dav tom qab lub hnub nyoog-hardening tuaj yeem ua rau poob ntawm hardness vim kev ntxhov siab sab hauv.
Feem ntau yuam kev thaum Hardening Aluminium
Deformation thiab Hardening Cracking teeb meem
Hardening ntawm aluminium profiles feem ntau ua rau distortion thiab cracking vimtsis sib xws cua txias thiab kev ntxhov siab sab hauv. Lub kaum sab xis sab hauv, qhov sib txawv ntawm qhov tuab tuab, cov phab ntsa nyias thiab cov duab asymmetric yog qhov ua rau muaj kev ntxhov siab ntau ntxiv thiab ua rau muaj kev pheej hmoo ntawm quench cracking. Nws tuaj yeem daws tau los ntawm kev tsim thiab txheej txheem. Cov qauv tsim yuav tsum yog qhov sib npaug ntawm cov ces kaum kom tsis txhob muaj cov kaum ntse ntse thiab cov tuab tuab hloov pauv; txheej txheem yuav tsum tau xaiv raws li qhov profile quenching nruab nrab, complex lossis nyias-walled qhov chaw tuaj yeem xaiv cov tshuaj polymer es tsis yog dej ntshiab. Nyob rau tib lub sijhawm, siv cov jigs thiab fixtures los tswj cov Kev tso kawm thiab kev coj ua kom txias tuaj yeem txo qhov deformation.
Nyob rau hauv-hardening yog vim muaj hnub nyoog qis dua, uas tuaj yeem tshwm sim los ntawm qhov kub thiab txias dhau, tuav lub sij hawm tsis txaus, lossis kev kho tsis txaus, uas ua rau muaj tsawg dhau los ntawm cov ntsiab lus alloying. Tsis tas li ntawd, yog tias lub quench raug tso tseg ntev dhau los ua ntej kev laus, lub ntuj tsim yuav tshwm sim ua ntej, ua rau lub zog muaj zog, uas tuaj yeem ua rau tsis muaj zog. Kev laus dhau los yog vim qhov kub thiab txias dhau los lossis lub sijhawm ntev dhau, ua rau cov txheej txheem precipitated loj hlob tuaj, qhov sib nrug nce, cov nyhuv ntxiv zog yog qhov tsis muaj zog, yog li ntawd lub hardness ntawm cov khoom siv aluminium txo, toughness nce. Tus yuam sij los txiav txim siab qhov qis dua lossis dhau-laus nyob rau hauv qhov sib xws ntawm hardness: tag nrho cov batch ntawm tsawg hardness yog ib qho teeb meem parameter, lub zos tsis sib xws yog qhov tsis sib xws ntawm qhov cub kub los yog qhov chaw vim qhov ntom ntom. Txhawm rau kom tsis txhob muaj teeb meem zoo li no yuav tsum tau ua nruj me ntsis ntsuas cov cuab yeej kho cua sov kom ntseeg tau tias qhov ntsuas kub ntawm qhov raug nyob hauv thaj tsam ntawm ± 5-10 ° C; raws li qib alloy thiab qhov loj ntawm qhov chaw los tsim kom muaj kev laus nkhaus, kom tsis txhob kho qhov muag tsis pom kev; quenched qhov chaw yuav tsum raug xa mus rau cov txheej txheem kev laus kom sai li sai tau, feem ntau yuav tsum tsis txhob ntau tshaj 4 teev, txhawm rau tiv thaiv kev laus tshaj plaws.
Kev ceev faj rauStheem nrabHnojTkev kho mob
Thaum cov nyhuv hardening ntawm txhuas tsis yog raws li tus qauv, qee qhov tuaj yeem kho tau los ntawm kev kho cua sov thib ob, tab sis yuav tsum ua raws li cov lus qhia nruj. Kev kho cua sov thib ob feem ntau yuav tsum tau kho cov kev daws teeb meem thiab kev laus, tab sis yog tias cov txhuas tau dhau los ntawm ntau qhov kev kho cua sov, nws yuav ua rau cov qoob loo loj, uas cuam tshuam rau kev ua haujlwm tag nrho. Secondary khoom kub yuav tsum tsawg tshaj li thawj zaug, kom tsis txhob overheating ua rau grain loj hlob los yog grain ciam melting; quenching yuav tsum tau them sai sai rau qhov txias txias uniformity, vim hais tias thawj zaug hardening ntawm sab hauv kev nyuaj siab yog complex thiab yooj yim rau theem nrab cracking. Tom qab kev kho cua sov thib ob, qhov hardness thiab kev ua haujlwm yuav tsum tau rov kuaj dua kom ntseeg tau tias ua tau raws li qhov yuav tsum tau ua.
Yuav ua li cas kuaj Aluminium Hardness
Rockwell Hardness Test
Rockwell hardness test yog ib qho yooj yim rau kev khiav lag luam thiab ua tau zoo nyob rau hauv aluminium hardness kuaj, haum rau batch zoo tswj. Lub hardness yog txiav txim los ntawm qhov tob ntawm indentation ntawm lub indenter nyob rau hauv load, thiab hardness tus nqi yog xam los ntawm xam qhov sib txawv qhov tob tom qab preload thiab lub ntsiab load. Aluminium profile hardness xeem feem ntau yog siv HRB nplai, siv 100kgf load thiab steel pob indenter, haum rau tsawg hardness aluminium; siab dua hardness reinforced txhuas tuaj yeem xaiv lwm yam Rockwell nplai. Txoj kev no yog ceev, nyeem ncaj qha, me me indentation, thiab kev puas tsuaj me me rau qhov profile.
BrinellHardnessTyog
Brinell hardness test adopts loj txoj kab uas hla steel pob thiab load loj, haum rau kev kuaj coarse grain casting txhuas profiles los yog loj txhuas qhov chaw. Nws tsim ib tug loj indentation rau saum npoo, nruab nrab tawm qhov sib txawv ntawm cov khoom muaj pes tsawg leeg thiab grain loj, thiab tau ib tug sawv cev hardness tus nqi. Qhov kev ntsuam xyuas yuav tsum ntsuas lub cheeb ntawm indentation thiab xam tus nqi HB, uas tuaj yeem zam qhov kev txiav txim siab ntawm lub zos tawv thiab mos me ntsis thiab muaj kev cuam tshuam tag nrho hardness, tab sis lub indentation yog loj thiab tsis haum rau precision tiav cov khoom.
VickersHardnessTyog
Vickers hardness test yog ntau yam thiab tuaj yeem ntsuas ntau yam hardness ntawm txhuas profiles. Nws siv lub pob zeb diamond tetragonal indenter, siv cov khoom sib txawv, thiab suav cov hardness raws li kab pheeb ces kaum ntawm qhov indentation. Cov khoom siv dav dav, kev kuaj microscopic thiab macroscopic, muaj peev xwm ntsuas cov txheej txheej, cov cheeb tsam me me thiab tag nrho cov hardness, siab precision, haum rau kev tshawb fawb thiab lwm yam kev xav tau, tab sis yuav tsum muaj cov neeg ua haujlwm tshwj xeeb los ua haujlwm thiab tshuaj xyuas.
Knoop Hardness Test
Knoop hardness testing siv lub pob zeb diamond-puab indenter los ua ib tug nyias indentation, thiab xam cov hardness los ntawm kev ntsuas lub diagonal ntev. Nws 10-1000 gf load yog tsim rau kev sim cov ntaub ntawv nkig, nyias aluminium, coatings thiab ze-ntug. Qhov ntiav, ntev indentation tiv thaiv kev tawg ntawm cov qauv thiab yog tshwj xeeb tshaj yog haum rau nyias los yog nto-kho txhuas. Rau anisotropic aluminium, kho qhov kev ntsuas kev taw qhia qhia txog qhov sib txawv hardness thiab muab cov ntaub ntawv kev ua tau zoo dua.
Richter Hardness Test
Richter hardness test yog portable, on-site soj ntsuam txoj kev uas ntsuam xyuas lub hardness ntawm txhuas los ntawm kev cuam tshuam ib tug tungsten carbide pob rau saum npoo thiabntsuas tus nqi ntawm rebound, nrog ntau dua rebound tus nqi ua rau ntau dua hardness. Richter hardness test yog hloov tau, ceev, thiab tsis txwv los ntawm cov qauv, ua rau nws haum rau sampling loj workpieces. Txawm li cas los xij, qhov tseeb yog qhov tsawg thiab muaj kev cuam tshuam rau saum npoo, yog li nws feem ntau yog siv rau kev tshuaj ntsuam thawj zaug, thaum qhov tseem ceeb tseem yuav tsum tau ua ke nrog lwm txoj kev raug.
Ntug dejHardnessTyog
Kev ntsuam xyuas ntug dej hiav txwv feem ntau yog siv rau kev sim cov elastomers thiab cov yas mos, thiab tsis tshua muaj siv nyob rau hauv kev ntsuam xyuas txhuas profile, tab sis tuaj yeem siv los ntsuas qhov nyuaj ntawm qhov muag.aluminiumalloys los yog aluminium matrix composites. Lub hauv paus ntsiab lus yog ntsuas qhov tob ntawm indentation los ntawm kev siv lub caij nplooj ntoos hlav-loaded indenter, nrog rau cov nplai sib txawv raws li qhov sib txawv hardness ranges, piv txwv li. Shore A rau cov roj hmab mos thiab Shore D rau cov yas tawv. Hauv kev ntsuam xyuas aluminium, Shore hardness test tsuas yog siv tau rau cov xwm txheej tshwj xeeb. Yog tias koj xav tau los ntsuas qhov hardness ntawm soft coatings nyob rau saum npoo ntawm txhuas los yog kuaj cov ntshiab aluminium profiles nrog tsawg hardness, koj yuav tsum tau xyuam xim rau xaiv qhov zoo scale kom tsis txhob distortion ntawm cov kev ntsuam xyuas.
Xaus
Hardening ntawm aluminium profiles yuav tsum muaj qhov sib npaug ntawm cov txheej txheem tsis, cov khoom siv hlau thiab cov qauv ntsuas kom tsis txhob muaj kev xav tsis zoo. Kev tshawb fawb ntawm kev kho cua sov thiab kev sim cov txheej txheem tuaj yeem ua kom muaj kev ua tau zoo ntawm txhuas thiab ua tau raws li cov kev xav tau siab kawg ntawm ntau qhov chaw.
Henan Retop Industrial Co., Ltd. Yuav nyob ntawd thaum twg los xijpeem koj xav tau
Kev laus
