1. Material Hunhu uye Magadzirirwo Magadzirirwo
1.1 Kuumbwa uye Crystalline Zvikamu zveAlumina
( Alumina Ceramic Tubes)
Alumina (Al Two O TWO) machubhu e ceramic anonyanya kugadzirwa kubva kune yakakwira-kuchena aluminium oxide, nekuchena mazinga anowanzosiyana kubva 90% ku 99.8%, zvichienderana nechikumbiro chaunoda.
Iyo inotonga crystalline chikamu mune yakazara gobvu, high-temperature sintered chubhu is α-alumina (diamond), iyo inoratidza trigonal crystal framework uye yakanakisa thermodynamic kugadzikana.
Ichi chikamu chinoshanduka kubva kune precursor hydroxides (e.g., boehmite kana gibbsite) ku α-aluminium zvinoitika pamusoro 1100 ° C uye inokonzera gobvu, inopindirana microstructure inopa hukuru hwemagetsi simba uye makemikari kuramba.
Hunhu hwakanyanya kuchena (≥ 99.5%) ita zvakanyanya kusimba, kupfeka kuramba, uye dielectric performance, nepo mhinduro dzepasi-kuchena dzinogona kusanganisira mamwe matanho senge mullite kana glazed zviyo muganho zvikamu kudzikisa mutengo kana dressmaker kukura kwemafuta..
Kugona kubata chiyero chezviyo, porosity, uye kuumbwa kwesiteji panguva yekubata kunobvumira mainjiniya kuti agadzirise alumina machubhu kune zvimwe zvinobatsira zvinodiwa munzvimbo dzakasiyana dzekutengesa.
1.2 Mechanical, Thermal, uye Electric Quality
Alumina ceramic machubhu anoratidza musanganiswa wakasiyana wezvivakwa zvemuviri izvo zvinoita kuti zvive zvakakosha zveinjiniya nharaunda.
NeVickers kusimba kunodarika 1500 HV, vanodzivirirwa zvakanyanya neabrasion nekukukurwa, kukurira simbi zhinji uye mapolymer mumasisitimu anopfeka.
Simba ravo rekumanikidza rinogona kusvika 2000 MPa, kugonesa kushandiswa kwemaitiro pasi pematani emagetsi epamusoro, nepo flexural stamina kazhinji inotangira kubva 300 ku 500 MPa, kutsamira pa density uye pamusoro penzvimbo coating.
Thermally, alumina inochengetedza chengetedzo inenge 1700 ° C mune oxidizing ambiences, ine coefficient yakaderera yekukura kwekupisa (~ 8 ppm/K), kuwedzera kune yakanakisa thermal shock resistance kana yakagadzirirwa zvakakodzera.
Kunyange zvazvo kupisa kwayo conductivity (~ 30 W/(m · K)) ine mwero kana ichienzaniswa nesimbi kana aluminium nitride, inokwana kune akati wandei-yepamusoro-tembiricha maapplication uko kuvharika kwemagetsi uye kugadzikana kwekuvaka kunoiswa pamberi..
Zvemagetsi, alumina insulator yakasarudzika ine huwandu resistivity > 10 ¹⁴ Ω · masendimita uye yakakwira dielectric kusimba (> 15 kV/mm), zvichiita kuti zvive zvakakwana kune magetsi ekufambisa, sensor dzimba, uye high-voltage insulation.
( Alumina Ceramic Tubes)
2. Manufacturing Matanho uye Dimensional Control
2.1 Kugadzira uye Kugadzira Nzira
Kugadzirwa kwealumina ceramic machubhu kunosanganisira akaomesesa ekugadzira nzira dzakarongedzerwa kuti uwane chaiwo zviyero., madziro pamusoro density kuwirirana, uye nzvimbo yepamusoro yepamusoro.
Nzira dzakajairika dzinosanganisira extrusion, isostatic pushing, uye kutsvedza kupararira, imwe neimwe inoenderana neakasiyana dimension arrays uye nekubudirira zvinodiwa.
Extrusion inoshandiswa zvakanyanya kwenguva refu, machubhu akatwasuka ane anogara achichinjika, uko plasticized alumina paste inodiwa nefa uye yakachekwa kureba isati yaoma uye kunyura.
Yepamusoro-chaiyo kana yakatetepa-yakavezwa machubhu, chilly isostatic pushing (CIP) inoshandisa kugadzikana kunoenderana kubva kune ese mirairo kune midiki miviri yakasvibira, kuderedza kukanganisa uye kuvandudza density homogeneity.
Slide casting, kusanganisira kuiswa kwecolloidal alumina kumiswa (slip) pamushonga wepurasita uye chakuvhe, yakanakisa kune yakaoma kana yakakura-dhayamita geometries ine akasiyana emadziro ukobvu.
Mushure mekugadzira, machubhu anoomeswa zvine hungwaru kuti arege kutyoka, ichiteverwa nebhainda kuneta uye kupisa-kupisa sintering (1500– 1650 °C )kuita densification yakazara uye dimensional kugadzikana.
2.2 Kupedza uye Kudzora Kwemhando
Post-sintering mashandiro akadai secentreless kugaya, lapping, uye kupenya kunoshandiswa kuwana kushivirira kwakasimba, yakatsetseka pamusoro pekupedzisira, uye madhayamita emukati nekunze akarurama.
Kupokana kwakasimba se ± 0.01 mm zvinogoneka kune zvakakosha maapplication mune semiconductor kugadzirisa kana zvine musoro chiridzwa.
Musoro wenzvimbo roughness inogona kudzikiswa kusvika kuRa < 0.1 µm, decreasing bit trapping and improving compatibility with ultra-high vacuum (UHV) or cleanroom atmospheres.
Nzira dzekuedza dzisingakuvadzi– kusanganisira kuongorora kwe ultrasonic, X-ray radiography, uye dhayi penetrant screening– chengetedza kugadzikana kwemaitiro uye kusavapo kwekutsemuka kana nzvimbo.
Dimensional metrology uchishandisa coordinate gauging zvishandiso (CMM) kana laser scanning inosimbisa kuenderana nemagadzirirwo emhando, kunyanya kune yakasarudzika kana yakakwira-vhoriyamu yekugadzira inomhanya.
3. Kushanda Kushanda Munzvimbo Dzakaoma
3.1 Kupokana neThermal uye Chemical Degradation
Imwe yeanonyanya kumanikidza mabhenefiti ealumina ceramic machubhu kugona kwavo kumira kune zvakanyanya kupisa uye kemikari matambudziko uko simbi nemapolima zvinomira kushanda..
Dzinogara dzakadzikama uye dzakasimba zvakasimba mukuenderera mberi sevhisi patembiricha yepamusoro 1500 °C, zvichiita kuti zvive zvakanaka kune zvigadziko zvemoto, thermocouple kudzivirira sheaths, uye machubhu ekudziya anopenya.
Inertness yavo yekunyungudutsa simbi (e.g., light uremu aluminium, zinc, uye non-ferrous alloys), liquified salts, uye akawanda acids (kunze kwehydrofluoric uye inopisa phosphoric acid) inobvumira kushandiswa mune metallurgical uye makemikari ekubata michina.
Mune oxidizing uye kuderedza mamiriro ekunze, alumina haidzikisi kana kukonzeresa maitiro asingadiwe, kuchengetedza maitiro ekuchena mune semiconductor uye girazi kugadzira.
Iyi makemikari inertness inodzivirirawo kusvibiswa mune yakakwirira-kuchena kwemvura kubata masisitimu, kusanganisira ayo anoshandiswa mumaindasitiri emishonga nekugadzira chikafu.
3.2 Magetsi Insulation uye Plasma Resistance
Mumagetsi uye plasma marongero, alumina machubhu anoshanda seanodzivirira zvipingamupinyi zvinochengeta kutendeseka kwedunhu pasi pemhepo yakakwira uye tembiricha yakakwira.
Ivo vanoshandiswa mukuburitswa kwepamusoro-soro (HID) magetsi, uko kunosanganisira magasi eionized pane tembiricha inodarika 1000 ° C uchishingirira masimba emagetsi emakumi e kilovolts.
Mune plasma etching uye deposition masisitimu, alumina machubhu anoita se dielectric windows kana gasi kutenderera zvinhu, kumira kusvika kune ion barrage uye kupisa bhasikoro pasina kutyora kana kubuda.
Yadzo yakaderedzwa dielectric kurasikirwa uye yakakwirira arc kuramba inodzivirira kutevedza magetsi uye kusashanda, kugadzira humwe hupenyu hurefu hwesevhisi mune switchgear uye magetsi ekufambisa zvikamu.
Izvi zvivakwa zvakakosha mukuchengetedza kuchengetedzwa kwemaitiro uye maturusi akavimbika mukugadzirwa kwakadzama uye masisitimu emagetsi.
4. Industrial uye Arising Applications
4.1 High-Temperature uye Commercial Processing Equipments
Alumina ceramic machubhu akabatanidzwa kune akasiyana siyana ekutengesa maitiro anoda kusimba pasi pezvinetso zvakakomba.
In thermal processing, anoita semasheti ekuchengetedza thermocouples uye kupisa mumoto, heaters, uye midziyo yekurapa inodziya, kudzivirira zvinhu zvinonzwisa tsitsi kubva munzvimbo dzakaomarara uye kupfeka kwemuchina.
Mukubata mvura, vanofambisa makemikari ane hasha, slurries, uye magasi ekupisa kwepamusoro mune petrochemical refineries, desalination zvinomera, uye masisitimu ekupisa marara.
Kupokana kwavo nekuvhundutsa kwekupisa kunogonesa kupisa nekukurumidza uye kutonhora pasi kutenderera pasina kukundikana, kukosha kwakakosha mune cyclic kutengeserana maitiro.
Mukugadzirwa kwegirazi, alumina machubhu anobatsira liquified girazi kutenderera uye kutsigira kugadzira maturusi, kumira kusvika pakukukurwa kubva kune viscous, high-tembiricha inonyunguduka.
4.2 Advanced Technologies uye Remangwana Assimilation
Beyond standard commercial uses, alumina machubhu ari kutsvaga mabasa matsva muhunyanzvi hwemazuva ano matekinoroji.
Mukugadzira semiconductor, Ultra-pure alumina machubhu anoshandiswa mumakemikari vapor deposition (CVD) activators uye ion implantation systems, uko kugadzirwa kwechikamu uye kusvibiswa kwesimbi kunofanirwa kudzikiswa.
Mumakiriniki gadget, biocompatible alumina machubhu anoita seanodzivirira zvikamu mumidziyo yekurapa, mazino anodyara, uye diagnostic sensing units.
Kudzidza kuri kuongorora functionalized alumina machubhu ane embedded sensors kana conductive traces yehungwaru zvimiro zvekutarisa mune aerospace uye simba masisitimu..
Additive production (3D kudhinda) yealumina iri kubuda senzira yekugadzira yakaoma chubhu geometries ine emukati machani kana magiredhi enziyo, kubvumira chizvarwa chinotevera chekudziya exchangers uye microreactors.
Sezvo masekete ari kushingairira kuita zvakanyanya, nzira dzakachena, uye kuvimbika kwepamusoro, alumina ceramic machubhu anoenderera mberi nekushanduka sezvinogonesa zvinhu muzvivakwa zvemazuva ano tekinoroji.
Mukudzokorora, alumina ceramic machubhu anomiririra kirasi yakakura asi ine simba inofambira mberi yezvinhu zvinogadzirwa, kusanganisa yakanakisa thermal, mechanical, uye kushanda kwemagetsi mune yega inorganic avenue.
Kureruka kwavo mukati mezvirongwa zvakakomba kunovimbisa kuenderera kwavo kukosha mune ese akasimbiswa ekutengeserana masisitimu uye ari kubuda mamiriro-e-iyo-anyanzvi maapplication..
5. Distributor
Yepamberi Ceramics yakavambwa muna Gumiguru 17, 2012, ibhizimusi repamusoro-soro rakazvipira mukutsvagisa nekusimudzira, production, processing, kutengesa uye hunyanzvi masevhisi eceramic hama zvinhu uye zvigadzirwa. Zvigadzirwa zvedu zvinosanganisira asi zvisingagumire kuBoron Carbide Ceramic Zvigadzirwa, Boron Nitride Ceramic Zvigadzirwa, Silicon Carbide Ceramic Zvigadzirwa, Silicon Nitride Ceramic Zvigadzirwa, Zirconium Dioxide Ceramic Zvigadzirwa, etc. Kana uchifarira, ndapota inzwa wakasununguka kutibata nesu.
Tags: Alumina Ceramic Tubes, alumina chubhu saizi, alumina chubhu
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