Tsev
Khoom siv
Quartz iav melted nrog ntau hom ntshiab ntuj quartz
Kev tsim kho Feature Ntawm Quartz iav
Ntshiab quartz iav yog tsim los ntawm ib leeg silica (SiO₂) tivthaiv, thiab Si-O daim ntawv cog lus nyob rau hauv quartz iav yog teem nyob rau hauv ib tug luv luv-term txiav txim thiab ntev-ntev tsis zoo lub xeev.Vim lub zog thiab ruaj khov daim ntawv cog lus zog ntawm Si- O daim ntawv cog lus, quartz iav muaj qhov kub siab softening, zoo heev spectral transmittance, Tsis tshua muaj coefficient ntawm thermal expansion thiab conductivity, heev tshuaj stability, hluav taws xob tsis kam thiab ntev ua hauj lwm lub neej nyob rau hauv huab mob.
Optical khoom
Quartz iav muaj ntau yam khoom siv kho qhov muag zoo heev. Piv nrog rau cov iav zoo tib yam, cov iav purity quartz muaj qhov sib kis tau zoo nyob rau hauv qhov dav dav dav ntawm qhov deb ultraviolet (160nm) mus rau qhov deb infrared (5μm), uas tsis muaj nyob rau hauv cov iav dav dav. Qhov zoo tshaj plaws spectral transmittance thiab optical uniformity ua quartz iav dav siv nyob rau hauv semiconductor lithography thiab precision optical li.Ntxiv, quartz iav muaj zoo hluav taws xob tsis kam, quartz iav nrog hluav taws xob resistant tau lug siv raws li ib tug qhov rais khoom rau spacecraft, tiv thaiv npog rau. cov khoom tseem ceeb ntawm qhov chaw kuaj mob.
Cov cuab yeej cuab tam
Quartz iav zoo ib yam nrog cov iav zoo tib yam, lawv yog cov khoom siv tawv thiab tawv. tib yam li cov iav zoo tib yam, lub zog tsis muaj zog ntawm quartz iav raug cuam tshuam los ntawm ntau yam.Including deg state, geometry thiab test method. Lub zog compressive ntawm pob tshab quartz iav feem ntau yog 490 ~ 1960MPa, lub zog tensile yog 50 ~ 70MPa, lub zog khoov yog 66 ~ 108MPa, thiab lub zog torsional yog li 30MPa.
Cov khoom hluav taws xob
Quartz iav yog cov khoom siv hluav taws xob zoo heev. Piv nrog rau cov iav zoo tib yam, quartz iav muaj kev tiv thaiv ntau dua, thiab qhov kev tiv thaiv ntawm quartz iav ntawm chav tsev kub yog siab li 1.8 × 1019Ω∙cm. Tsis tas li ntawd, quartz iav muaj qhov sib zog tawg ntau dua (kwv yees li 20 npaug ntawm cov iav zoo tib yam) thiab qis dielectric poob.The resistivity ntawm quartz iav txo me ntsis nrog qhov kub thiab txias, thiab cov resistivity ntawm opaque quartz iav yog qis dua li ntawm. pob tshab quartz iav.
Thermal khoom
Vim tias quartz iav yog yuav luag tag nrho cov muaj zog Si-O daim ntawv cog lus, nws softening kub yog siab heev, thiab lub sij hawm ntev ua hauj lwm kub tuaj yeem ncav cuag 1000 ℃. Tsis tas li ntawd, thermal expansion coefficient ntawm quartz iav yog qhov qis tshaj ntawm cov iav iav. , thiab nws cov linear expansion coefficient tuaj yeem ncav cuag 5 × 10-7 / ℃. Tshwj xeeb kho quartz iav tuaj yeem ua tiav xoom nthuav dav. Quartz iav kuj muaj thermal shock kuj zoo heev, Txawm hais tias nws pheej rov ua qhov sib txawv ntawm qhov kub thiab txias hauv lub sijhawm luv luv, nws yuav tsis tawg. Cov khoom siv thermal zoo no ua rau quartz iav irreplaceable nyob rau hauv qhov kub thiab txias ua hauj lwm ib puag ncig.
High purity quartz iav tuaj yeem siv rau hauv nti tsim hauv kev lag luam semiconductor, Cov ntaub ntawv pabcuam rau kev tsim kho qhov muag fiber ntau, kev soj ntsuam qhov rais rau kev lag luam kub kub, lub zog hluav taws xob muaj zog, thiab qhov chaw ntawm qhov chaw shuttle raws li thermal rwb thaiv tsev txheej. .Qhov tsis tshua muaj coefficient ntawm thermal expansion kuj tso cai rau quartz iav siv nyob rau hauv precision instruments thiab lens ntaub ntawv rau loj astronomical telescopes.
Cov khoom siv tshuaj
Quartz iav muaj tshuaj lom neeg ruaj khov zoo heev. Tsis zoo li lwm cov iav lag luam, quartz iav yog tshuaj ruaj khov rau dej, Yog li ntawd, nws tuaj yeem siv rau hauv cov dej distillers uas xav tau cov dej purity siab heev. Quartz iav muaj cov kua qaub thiab ntsev zoo heev, yog li ntawd, nws tuaj yeem siv rau hauv cov dej distillers uas xav tau cov dej purity siab heev. Quartz iav muaj cov kua qaub thiab ntsev zoo heev, Tsuas yog hydrofluoric acid, phosphoric acid thiab cov ntsev ntsev yooj yim, nws tsis hnov mob nrog feem ntau cov kua qaub thiab ntsev. Muab piv rau cov kua qaub thiab ntsev, Quartz iav tsis zoo alkaline tsis kam thiab reacts nrog alkali daws ntawm qhov kub thiab txias. Tsis tas li ntawd, quartz iav thiab feem ntau oxides, Hlau, nonmetals, thiab gases tsis hnov tsw ntawm qhov kub thiab txias. Cov purity siab heev thiab zoo tshuaj stability ua quartz iav haum rau siv nyob rau hauv ib puag ncig uas muaj ntau lawm tej yam kev mob nyob rau hauv semiconductor manufacturing.
Lwm yam khoom
Permeability: Cov qauv ntawm quartz iav yog so heev, thiab txawm nyob rau hauv qhov kub thiab txias nws tso cai rau ions ntawm tej gases kom diffuse los ntawm lub network.Qhov diffusion ntawm sodium ions yog ceev tshaj plaws. Qhov kev ua tau zoo ntawm quartz iav yog qhov tseem ceeb tshwj xeeb rau cov neeg siv, piv txwv li, thaum quartz iav siv los ua lub thawv kub kub lossis lub raj xa dej hauv kev lag luam semiconductor, vim qhov siab purity ntawm cov khoom siv semiconductor, cov khoom siv refractory nyob rau hauv kev sib cuag nrog quartz. iav raws li lub qhov cub hauv ob sab phlu yuav tsum tau ua ua ntej los ntawm qhov kub thiab txias thiab ntxuav, tshem tawm alkaline impurities ntawm poov tshuaj thiab sodium, thiab ces muab tso rau hauv quartz iav siv.
Daim ntawv thov ntawm quartz iav
Raws li cov khoom tseem ceeb, quartz iav yog dav siv hauv kev sib txuas lus kho qhov muag, aerospace, hluav taws xob lub teeb ci, semiconductor, optical tshiab technology.
1. Kev sib txuas lus kho qhov muag: quartz iav yog ib qho khoom siv rau kev tsim cov khoom siv kho qhov muag fiber ntau prefabricated rods thiab optical fiber ntau kos duab, feem ntau yog ua haujlwm rau lub hauv paus chaw nres tsheb kev sib txuas ua lag luam, thiab tuaj txog ntawm 5G era tau coj loj kev lag luam xav tau rau optical fiber ntau.
2. Lub teeb pom kev tshiab: lub teeb kub siab mercury, xenon teeb, tungsten iodide teeb, thallium iodide teeb, infrared teeb thiab germicidal teeb.
3. Semiconductor nam: Quartz iav yog ib qho khoom tseem ceeb hauv cov txheej txheem ntawm cov khoom siv semiconductor thiab cov khoom siv, xws li Grown germanium, Crucible ntawm silicon ib leeg siv lead ua, rauv tub ntxhais raj thiab lub tswb nrov ... thiab lwm yam.
4. Nyob rau hauv lub tshav pob ntawm cov cuab yeej tshiab: nrog nws cov kev ua tau zoo ntawm lub suab, lub teeb thiab hluav taws xob, ultrasonic ncua kab ntawm radar, infrared taug qab kev taw qhia nrhiav, Prism, lens ntawm infrared photography, kev sib txuas lus, spectrograph, spectrophotometer, reflecting qhov rais ntawm loj astronomical telescope , siab kub ua haujlwm qhov rais, Reactors, radioactive installation; Rockets, Nose cone ntawm missiles, nozzles thiab radome, xov tooj cua rwb thaiv tsev qhov chaw rau khoom satellites; thermobalance, lub tshuab nqus tsev adsorption, precision casting ... thiab lwm yam.
Quartz iav kuj tseem siv rau hauv kev lag luam tshuaj, metallurgy, hluav taws xob, kev tshawb fawb tshawb fawb thiab lwm yam. Hauv kev lag luam tshuaj, tuaj yeem ua rau kub acid resistant gas combustion, Cua txias thiab cua tshuab; Cov cuab yeej cia; Kev npaj cov dej distilled, hydrochloric acid, nitric acid, sulfuric acid, thiab lwm yam kev sim ntawm lub cev thiab tshuaj lom neeg.In kub kub ua haujlwm, nws tuaj yeem siv los ua hluav taws xob rauv tub ntxhais raj thiab roj combustion radiator. Nyob rau hauv optics, quartz iav thiab quartz iav ntaub plaub yuav siv tau raws li foob pob ua ntxaij nozzles, Spacecraft tshav kub ntaub thaiv npog thiab soj ntsuam qhov rais, nyob rau hauv ib lo lus, nrog rau kev loj hlob ntawm niaj hnub science thiab technology, quartz iav tau dav siv nyob rau hauv ntau yam teb.
Daim Ntawv Thov Cheeb Tsam Ntawm Quartz iav
Nrog rau cov khoom zoo ntawm lub cev thiab tshuaj lom neeg, quartz iav yog dav siv nyob rau hauv kub kub, huv si, corrosion kuj, lub teeb kis tau tus mob, lim thiab lwm yam high-tech khoom tsim txheej txheem ib puag ncig, yog ib qho tseem ceeb indispensable khoom nyob rau hauv semiconductor, aerospace, optical kev sib txuas lus teb.
Semiconductor teb
Semiconductor quartz iav cov khoom lag luam suav txog 68% ntawm quartz iav khoom lag luam, thiab semiconductor teb yog daim ntawv thov loj tshaj plaws hauv quartz iav downstream lag luam. Quartz iav cov ntaub ntawv thiab cov khoom siv dav siv hauv cov txheej txheem semiconductor nti, thiab yuav tsum nqa cov khoom siv thiab cov kab noj hniav rau cov khoom siv semiconductor etching, diffusion, oxidation txheej txheem.
Optical kev sib txuas lus teb
Quartz rods yog cov khoom siv tseem ceeb rau kev tsim kho qhov muag fiber ntau. Ntau tshaj 95% ntawm cov prefabricated fiber ntau yog muab faib ua high-purity quartz iav, thiab ntau cov ntaub ntawv quartz iav tau noj nyob rau hauv cov txheej txheem ntawm fiber ntau bar ua thiab hlau kos duab, xws li tuav rods thiab quartz khob.
Optics ua ntaub ntawv
Cov khoom siv hluavtaws quartz iav yog siv los ua lub lens, prism, TFT-LCD HD zaub thiab IC lub ntsej muag lub ntsej muag substrate khoom nyob rau hauv high-end optical teb.
Quartz iav cov khoom yog cov khoom siv tseem ceeb thiab cov khoom siv raw hauv ntau qhov chaw, txwv tsis pub cov khoom lag luam hauv kev lag luam qis qis, thiab tsis muaj lwm yam khoom siv tam sim no, yog li qhov kev thov rau quartz iav yog lub sijhawm ntev. Nyob rau hauv lub downstream industries, tshwj xeeb tshaj yog ceev kev loj hlob ntawm semiconductor thiab photovoltaic industries, txoj kev vam meej ntawm quartz iav kev lag luam yuav nce mus ntxiv.
| Nplaim fused Quartz | Electric Fused Quartz | Opaque Quartz | Synthetic Quartz | ||
| Mechanical Properties | Qhov ceev (g / cm3) | 2.2 | 2.2 | 1.95-2.15 Nws | 2.2 |
| Young's Modulus(Gpa) | 74 | 74 | 74 | 74 | |
| Poisson tus ratio | 0.17 ib | 0.17 ib | 0.17 ib | ||
| Bending St Reng th(MPa) | 65-95 : kuv | 65-95 : kuv | 42-68 : kuv | 65-95 : kuv | |
| Compressive St Reng th(MPa) | 1100 | 1100 | 1100 | ||
| Tensile St Reng th(MPa) | 50 | 50 | 50 | ||
| Torsional St ib txwm th(MPa) | 30 | 30 | 30 | ||
| Mohs Hardness(MPa) | 6-7 | 6-7 | 6-7 | ||
| Npauj Npaim(pm) | 100 | ||||
| Cov khoom hluav taws xob | Dielectric tsis tu ncua (10GHz) | 3.74 ib | 3.74 ib | 3.74 ib | 3.74 ib |
| Loss Factor (10GHz) | 0.0002 | 0.0002 | 0.0002 | 0.0002 | |
| Dielec sim St reng th(V/m) | 3.7 X 107 | 3.7 X 107 | 3.7 X 107 | 3.7 X 107 | |
| Kev tiv thaiv (20 ° C) (Q・cm) | >1 X 1016 | >1 X 1016 | >1 X 1016 | >1 X 1016 | |
| Kev tiv thaiv (1000 ℃) (Q •cm) | >1 X 106 | >1 X 106 | >1 X 106 | >1 X 106 | |
| Thermal Properties | Softening point (C) | 1670 ib | 1710 | 1670 ib | 1600 |
| Qhov taw qhia Annealing (C) | 1150 | 1215 | 1150 | 1100 | |
| St rain Point(C) | 1070 | 1150 | 1070 | 1000 | |
| Thermal conductivity(W/M・K) | 1.38 ib | 1.38 ib | 1.24 | 1.38 ib | |
| Cov cua kub tshwj xeeb (20 ℃) (J / KG・K) | 749 ib | 749 ib | 749 ib | 790 ua | |
| Expansion Coefficient (X10-7/K) | a:25C~ 200C6.4 | a:25C~ 100C5.7 | a:25C~ 200C6.4 | a:25C~ 200C6.4 | |