1. Yakakosha Maumbirwo uye Mamiriro Ekuvaka eQuartz Ceramics
1.1 Kemikari Kuchena uye Crystalline-ku-Amorphous Shanduko
(Quartz Ceramics)
Quartz porcelains, zvakare inonzi merged silica kana yakabatanidzwa quartz, ikirasi yepamusoro-inoshanda kwete zvigadzirwa zvechisikigo zvakabva kusilicon dioxide (SiO TWO) mune yayo yekupedzisira-yakachena, isiri-crystalline (amorphous) mutsa.
Kusiyana neakajairwa ceramics anovimba nepolycrystalline masisitimu, quartz porcelains inosiyaniswa nekusavapo kwayo kwemiganhu yezviyo semugumisiro wekupenya kwavo., isotropic network yeSiO ₄ tetrahedra yakabatana mune matatu-dimensional arbitrary network.
Iyi amorphous framework inowanikwa kuburikidza nepamusoro-tembiricha kunyunguduka kweakasikwa quartz makristasi kana synthetic silica precursors., yakanamatira nekukurumidza kutonhora kumisa kuumbwa.
Chigadzirwa chinoguma chinosanganisira kazhinji pamusoro 99.9% SiO ₂, ine tsvina inosvibisa yakaita sesimbi dzealkali (Kuti ⁺, K ⁺), aluminium, uye iron yakachengetedza zvikamu-pa-miriyoni mazinga kuchengetedza kujeka kwemaziso, electric resistivity, uye kukwanisa kupisa.
Kushaikwa kwekurongeka kwenguva refu kunobvisa zviito zveanisotropic, kugadzira quartz Ceramics yakadzikama uye michina inopindirana mumirairo yese– bhenefiti yakakosha mumashandisirwo echokwadi.
1.2 Thermal Behaviour uye Resistance kune Thermal Shock
Pakati peanonyanya kutsanangura mabasa equartz ceramics ndeye yakasarudzika yakaderera coefficient yekuwedzera kwekupisa. (CTE), kazhinji kumativi 0.55 × 10 ⁻⁶/ K pakati 20 °C uye 300 °C.
Uku kukura kwepedyo-zero kunomuka kubva kune inoshanduka Si– O– Si bond angles mune amorphous network, iyo inogona kugadzirisa pasi pekunetseka kwekupisa pasina kukuvadza, kubvumira chigadzirwa kuti chimirire kukurumidza tembiricha kugadziridzwa uko kwaizotsemura zvechinyakare porcelains kana simbi.
Quartz ceramics inogona kutsungirira kupisa kunotyisa kunopfuura 1000 °C, sekunyudzwa mumvura kwakananga mushure mekudziya kusvika kumazinga ekupisa, pasina kutsemuka kana kutsemuka.
Ichi chivakwa chinovaita zvakakosha muzvirongwa zvinosanganisira kudzokororwa kudziyisa uye kutonhora pasi kutenderera, semiconductor processing heat systems, Aerospace elements, uye high-intensity lights systems.
Pamusoro pe, quartz ceramics inochengetedza kutendeseka kwekuvaka kusvika kune tembiricha yemazinga 1100 ° C mune inoenderera mhinduro, nechinguvana kunanga kuratidzwa kuramba kuswedera 1600 ° C mune inert ambiences.
( Quartz Ceramics)
Yakapfuura thermal shock resistance, vanoratidza tembiricha yakapfava yakakwirira (~ 1600 °C )uye kwakatanhamara kuramba devitrification– kunyangwe kuratidzwa kwenguva refu kwakananga pamusoro 1200 ° C inogona kutanga kuumbwa kwepamusoro mukati mecristobalite, izvo zvinogona kukanganisa simba remagetsi nekuda kwekugadziriswa kwehuwandu mukati mechikamu chekuchinja.
2. Optical, Zvemagetsi, uye Kemikari Hunhu hweFused Silica Equipment
2.1 Broadband Transparency uye Photonic Application
Quartz Ceramics ine mukurumbira nekuda kwekutapurirana kwayo kwakatanhamara mukati mehombe yespooky array., kuwedzera kubva kune yakadzika ultraviolet (UV) ku ~ 180 nm kune iri pedyo-infrared (UYE) ku ~ 2500 nm.
Uku kuvhurika kunobvumirwa nekushaikwa kwetsvina uye homogeneity yeamorphous network, izvo zvinoderedza kupararira kwechiedza uye kunyura.
High-purity synthetic yakasanganiswa silica, inogadzirwa kuburikidza neflame hydrolysis yesilicon chlorides, inowana zvakare yakakwira UV kutapurirana uye inoshandiswa mukushandisa kwakakosha senge excimer laser optics, photolithography lenzi, uye materesikopu emuchadenga.
Izvo zvinhu zvakakwirira laser kukuvara muganho– kuramba kuputsa pasi peyakanyanya pulsed laser irradiation– inoita kuti ive yakakwana kune yakakwirira-simba laser masisitimu anoshandiswa mukusanganisa tsvagiridzo uye kushambadzira machining.
Uyezve, yakaderera autofluorescence uye nemwaranzi kuramba inovimbisa kuvimbika mukiriniki chiridzwa, zvinosanganisira spectrometers, UV yekurapa masisitimu, uye maturusi ekutevera enyukireya.
2.2 Dielectric Performance uye Chemical Inertness
Kubva pakuona kwemagetsi, quartz porcelains inoshamisa insulators ine uwandu resistivity inopfuura 10 ¹⁸ Ω · masendimita panzvimbo yetembiricha pamwero uye dielectric inongogara isingaite 3.8 pa 1 MHz.
Yavo yakaderedzwa dielectric kurasikirwa tangent (tani δ < 0.0001) makes certain very little power dissipation in high-frequency and high-voltage applications, making them ideal for microwave home windows, radar domes, and insulating substrates in electronic assemblies.
Zvivako izvi zvinoramba zvakachengeteka pane tembiricha yakakura, kusiyana nemapolymer akawanda kana akajairwa porcelains anonetesa magetsi pasi pekushushikana kwekupisa uye kusagadzikana.
Kemikari, quartz porcelains inoratidzira inoshamisa inertness kune yakawanda yeasidhi, inosanganisira hydrochloric, nitric, uye sulfuric acids, nekuda kwekugadzikana kweSi– O bond.
Zvakadaro, vari panjodzi yekurwiswa nehydrofluoric acid (HF) uye yakasimba antacids senge inopisa sodium hydroxide, izvo zvinokuvadza Si– O– Si network.
Iyi inonzwisisika reactivity inoshandiswa mune microfabrication maitiro apo inodzorwa etching yeyakasanganiswa silica inodiwa..
Munzvimbo dzekutengeserana dzine hukasha– zvakadai sekubata makemikari, semiconductor wet mabhenji, uye high-purity liquid kubata– quartz ceramics inoshanda semaraini, tarisa magirazi, uye mativi e reactor uko kusvibiswa kunoda kudzikiswa.
3. Kugadzira Matanho uye Geometric Injiniya yeQuartz Ceramic Elements
3.1 Kunyunguduka uye Kugadzira Strategies
Kugadzirwa kwequartz ceramics kunosanganisira nzira dzakawanda dzekunyungudika, imwe neimwe yakarongedzwa kune chaiyo kuchena uye zvinodiwa zvekushandisa.
Kunyunguduka kwemagetsi arc kunoita kushandisa yakakwira-kuchena quartz jecha rakanyungudutswa mumvura-yakatonhorera copper crucible pasi pevacuum kana inert gasi., kugadzira mabhuru mahombe kana machubhu ane akanakisa ekupisa uye mechaniki pekugara kana zvekutengesa zvivakwa.
Kusanganiswa kwemoto, kana kuti combustion synthesis, zvinosanganisira kupisa silicon tetrachloride (SiCl ₄) mumoto wehydrogen-oxygen, kuendesa zvimedu zvesilica zvakanaka zvinopinda mu preform yakajeka– nzira iyi inoburitsa yepamusoro-soro yemhando yepamusoro uye inoshandiswa kugadzira yakasanganiswa silica.
Kunyungudika kweplasma kunoshandisa nzira yakasiyana, ichipa ekupedzisira-yepamusoro tembiricha mazinga uye kusvibiswa-isina kugadzirisa kune chaiyo niche aerospace uye kuchengetedza maapplication.
Kana yanyunguduka, quartz ceramics inogona kuumbwa kuburikidza nekukandira chaiko, centrifugal kukura (zvemachubhu), kana CNC machining ye pre-sintered nzvimbo.
Nekuda kwekusagadzikana kwavo, kugadzira kunoda maturusi edhaimani uye kudzora nekungwarira kudzivirira microcracking.
3.2 Kunyatsogadzira Kugadzira uye Surface Nzvimbo Inopedzisa
Quartz ceramic zvikamu zvinowanzoitwa mukati meiyo yakaoma geometries senge crucibles, machubhu, tsvimbo, mahwindo, uye customized insulators for semiconductor, solar, uye laser sectors.
Dimensional kurongeka kwakakosha, kunyanya mukugadzirwa kwema semiconductor uko quartz susceptors uye mabhero midziyo inoda kuchengetedza chaiyo kuiswa uye kuwirirana kwekupisa..
Kupedzisa kwepamusoro kunotamba basa rakakosha mukubudirira; nzvimbo dzakakwenenzverwa dzinoderedza kupararira kwechiedza muzvikamu zvemaziso uye kuderedza nucleation nzvimbo dze devitrification mune yakakwirira-tembiricha maapplication..
Engraving ine buffered HF mhinduro inogona kugadzira yakagadziriswa nzvimbo inotaridzika kana kubvisa yakakuvadzwa maseru mushure mekugadzira..
Yekupedzisira-yakakwirira vacuum cleaner (UHV) zvirongwa, quartz porcelains inocheneswa uye kubikwa kubvisa pamusoro-adsorbed magasi, kuvimbisa kubuda kwekunze uye kuenderana nemaitiro akatetepa senge molecular beam yechiedza epitaxy (MBE).
4. Maindasitiri uye Sainzi Zvikumbiro zveQuartz Ceramics
4.1 Basa muSemiconductor uye Photovoltaic Kugadzirwa
Quartz ceramics zvinhu zvakakosha mukuvaka kwemaseketi akabatanidzwa uye maseru ezuva, kwaanoshanda semachubhu echoto, wafer watercrafts (susceptors), nemakamuri ekuparadzira.
Kugona kwavo kusimuka pakurwisa kupisa mune oxidizing, kuderedza, kana inert atmospheres– zvakasanganiswa nekuderedzwa kwesimbi kusvibiswa– inoita imwe nzira kuchena uye goho.
Munguva yese yemakemikari vapor deposition (CVD) kana thermal oxidation, zvinhu zvequartz zvinochengetedza kugadzikana kwedimensional uye kusimuka kuhondo, kudzivirira kubva pakukuvadzwa kwewafer uye kusaenzana.
Mukugadzirwa kwezuva, quartz crucibles inoshandiswa kuwedzera monocrystalline silicon ingots kuburikidza neCzochralski maitiro., uko kuchena kwavo kwakananga kunobata magetsi epamusoro ekupedzisira masero ezuva.
4.2 Kushandisa Mwenje, Aerospace, uye Analytical Instrumentation
Mukubuda kwepamusoro-soro (HID) marambi uye UV sterilization masisitimu, quartz ceramic envelopes ine plasma arcs patembiricha inodarika 1000 ° C uchitumira UV uye mwenje unooneka zvakanaka.
Kupisa kwavo kwekushisa kunodzivirira kubva pakutadza panguva yekubatidza mwenje nekukurumidza uye kuvharwa kutenderera.
Muchadenga, quartz ceramics inoshandiswa mu radar windows, sensing unit real estates, uye masisitimu ekudzivirira anopisa nekuda kwekuderedzwa kwavo dielectric nguva dzose, high simba-to-density ratio, uye kuchengetedzeka pasi peaerothermal loading.
Mukuongorora chemistry uye hupenyu hwesainzi research, akasanganiswa silica veins anodiwa mugasi chromatography (GC) uye capillary electrophoresis (CE), uko nzvimbo inertness inomisa sampuli adsorption uye inovimbisa kuparadzaniswa chaiko.
Uyezve, quartz crystal microbalances (QCMs), iyo inoenderana neiyo piezoelectric yekugara zvivakwa zvecrystalline quartz (yakasiyana kubva kune yakasanganiswa silica), shandisa quartz porcelains sedzimba dzekudzivirira uye kudzivirira rubatsiro mune chaiyo-nguva misa yekunzwa maapplication..
Mukupedzisa, quartz ceramics inomiririra imwe-ye-ye-yemhando mharadzano yekusimba kwekupisa kwekupisa, optical openness, uye kuchena kwemakemikari.
Yavo amorphous chimiro uye yakakwira SiO maviri ewebhu zvemukati anogonesa kushanda zvakanaka mumhepo umo zvakajairwa zvinhu zvinomira kushanda, kubva pamwoyo we semiconductor machira kusvika padivi penzvimbo.
Sezvo tekinoroji iri kufambira mberi kusvika kune yakakura tembiricha, kunyatsojeka, uye nzira dzakachena, quartz porcelains icharamba ichishanda seyakakosha inogonesa kufambira mberi kwesainzi nemusika.
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.([email protected])
Tags: Quartz Ceramics, ceramic ndiro, ceramic piping
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