Beryllium yog siv nyob rau hauv high-tech teb Beryllium yog cov khoom siv tshwj xeeb, qee yam ntawm nws cov khoom, tshwj xeeb tshaj yog cov khoom siv hluav taws xob thiab lub cev, tsis tuaj yeem hloov los ntawm lwm cov ntaub ntawv hlau.Daim ntawv thov ntau yam ntawm beryllium yog tshwj xeeb hauv kev lag luam nuclear, riam phom tshuab, kev lag luam aerospace, X-ray seev, hluav taws xob cov ntaub ntawv, kev lag luam tsheb, khoom siv hauv tsev thiab lwm yam.Nrog rau qhov maj mam nce zuj zus ntawm kev tshawb fawb, Scope ntawm nws daim ntawv thov muaj ib tug nyiam nthuav.
Tam sim no, daim ntawv thov ntawm plating thiab nws cov khoom yog tsuas yog hlau beryllium, beryllium alloy, oxide plating thiab ib co beryllium tebchaw.
beryllium hlau
Qhov ceev ntawm cov hlau beryllium yog tsawg, thiab cov Young's modulus yog 50% siab dua cov hlau.Lub modulus muab faib los ntawm qhov ntom yog hu ua qhov tshwj xeeb elastic modulus.Qhov tshwj xeeb elastic modulus ntawm beryllium yog tsawg kawg yog 6 npaug ntawm lwm yam hlau.Yog li ntawd, beryllium yog dav siv nyob rau hauv satellites thiab lwm yam aerospace qauv.Beryllium yog lub teeb nyob rau hauv qhov hnyav thiab siab nruj, thiab yog siv nyob rau hauv inertial navigation systems rau missiles thiab submarines uas yuav tsum tau meej navigation.
Lub tshuab ntaus ntawv reed beryllium ua los ntawm beryllium alloy muaj cov khoom siv thermal zoo, thiab muaj cov khoom zoo xws li lub siab melting point, siab tshwj xeeb kub, siab thermal conductivity thiab haum thermal expansion npaum li cas.Yog li ntawd, beryllium tuaj yeem siv ncaj qha los nqus cua sov, xws li hauv kev rov nkag mus rau lub dav hlau, foob pob hluav taws cav, dav hlau nres thiab chaw nres tsheb nres.
Beryllium yog siv los ua cov khoom tiv thaiv nyob rau hauv cov tub ntxhais ntawm qee qhov nuclear fission reactors los txhim kho kev ua haujlwm ntawm fission tshua.Beryllium tseem tab tom raug sim nrog rau hauv ob sab ntawm thermonuclear fusion reactor hlab ntsha, uas yog superior rau graphite los ntawm qhov pom ntawm kev sib kis nuclear.
Highly polished beryllium yog siv nyob rau hauv infrared soj ntsuam optics rau satellites thiab lwm yam.Beryllium ntawv ci tuaj yeem npaj tau los ntawm txoj kev kub dov, lub tshuab nqus tsev molten ingot ncaj nraim dov txoj kev thiab lub tshuab nqus tsev evaporation txoj kev, uas tuaj yeem siv los ua cov khoom siv ntawm lub qhov rais kis tau tus mob rau accelerator hluav taws xob, X-ray lub qhov rais thiab lub koob yees duab tube kis tau tus mob qhov rais.Nyob rau hauv lub suab txhawb zog, vim hais tias qhov ceev ntawm lub suab, lub resonance zaus ntawm lub amplifier yog siab dua, qhov ntau ntawm cov suab uas yuav hnov nyob rau hauv lub high-pitched cheeb tsam, thiab lub suab propagation ceev ntawm beryllium yog sai dua. ntawm lwm cov hlau, yog li beryllium tuaj yeem siv los ua lub suab zoo.Lub vibrating phaj ntawm lub suab nrov.
Beryllium tooj liab alloy
Beryllium tooj liab, tseem hu ua beryllium bronze, yog "tus huab tais ntawm elasticity" hauv tooj liab alloys.Tom qab kev daws teeb meem kev laus thaum tshav kub kub kho, lub zog siab thiab hluav taws xob muaj zog tuaj yeem tau txais.Dissolving li ntawm 2% beryllium nyob rau hauv tooj liab tuaj yeem tsim tau ib tug series ntawm beryllium tooj liab alloys uas muaj txog li ob npaug zog li lwm yam tooj liab alloys.Thiab tswj cov thermal conductivity thiab hluav taws xob conductivity.Nws muaj kev ua haujlwm zoo heev, tsis muaj hlau nplaum, thiab tsis tsim cov nplaim taws thaum cuam tshuam.Yog li ntawd, nws muaj ntau yam kev siv, feem ntau hauv cov hauv qab no.
Siv los ua cov khoom siv hluav taws xob thiab cov khoom siv elastic.Ntau tshaj 60% ntawm tag nrho cov khoom ntawm beryllium bronze yog siv los ua cov khoom elastic.Piv txwv li, nws yog dav siv nyob rau hauv cov khoom siv hluav taws xob thiab ntsuas kev lag luam xws li keyboards, reeds, contacts, contacts, diaphragms, diaphragms, bellows and other elastic elements.
Siv raws li zawv zawg bearings thiab hnav-resistant Cheebtsam.Vim yog kev hnav zoo ntawm beryllium bronze, beryllium bronze yog siv los ua cov bearings hauv computers thiab ntau lub dav hlau dav hlau.Piv txwv li, American Airlines hloov tooj liab bearings nrog beryllium bronze, thiab lub neej kev pab cuam tau nce los ntawm 8000h mus rau 28000h.Cov kab sib kis ntawm cov tshuab hluav taws xob thiab cov tsheb ciav hlau yog ua los ntawm beryllium bronze, uas tsis yog tsuas yog corrosion-resistant, hnav-resistant, high-strength, tab sis kuj muaj hluav taws xob conductivity zoo.
Siv los ua cov cuab yeej tiv thaiv kev nyab xeeb.Hauv cov roj av, tshuaj lom neeg, hmoov phom thiab lwm yam kev ua haujlwm ib puag ncig, vim tias beryllium bronze tsis tsim cov hmoov phom thaum muaj kev cuam tshuam, ntau yam cuab yeej ua haujlwm tuaj yeem ua los ntawm tooj liab-plated, thiab tau siv ntau yam khoom tawg-pov thawj.
Beryllium Copper Tuag
Kev siv hauv cov pwm yas.Vim hais tias beryllium tooj liab alloy muaj siab hardness, lub zog, zoo thermal conductivity thiab castability, nws muaj peev xwm ncaj qha cam khwb cia pwm nrog tsis tshua muaj siab precision thiab complex duab, nrog zoo tiav, meej qauv, luv luv voj voog, thiab cov ntaub ntawv qub tuaj yeem rov qab siv dua.txiav cov nqi.Nws tau siv los ua yas pwm, siab casting pwm, precision casting pwm, corrosion pwm thiab lwm yam.
Kev siv cov khoom siv hluav taws xob zoo heev beryllium tooj liab alloys.Piv txwv li, Cu-Ni-Be thiab Co-Cu-Be alloys muaj zog thiab hluav taws xob conductivity, thiab cov conductivity tuaj yeem ncav cuag 50% IACS.Feem ntau yog siv rau kev sib cuag electrodes ntawm cov tshuab hluav taws xob vuam, cov khoom siv elastic nrog cov khoom siv hluav taws xob siab, thiab lwm yam. Daim ntawv thov ntau ntawm cov hlau no maj mam nthuav dav.
Beryllium Nickel Alloy
Beryllium-nickel alloys xws li NiBe, NiBeTi thiab NiBeMg muaj ultra-siab zog thiab elasticity, siab hluav taws xob conductivity, piv nrog beryllium bronze, nws ua hauj lwm kub yuav nce 250 ~ 300 ° C, thiab qaug zog, hnav tsis kam, Thaum tshav kub kub Resistance Cov khoom thiab corrosion kuj yog kuj siab.Cov khoom siv elastic tseem ceeb uas tuaj yeem ua haujlwm qis dua 300 degrees Celsius yog siv hauv cov tshuab precision, aviation instruments, electronics thiab instrument industries, xws li tsis siv neeg navigation Cheebtsam, teletype reeds, aviation instrument springs, relay reeds, thiab lwm yam.
Beryllium oxide
Beryllium oxide hmoov Beryllium oxide yog cov khoom siv ceramic dawb uas nws zoo li zoo ib yam li lwm cov ceramics xws li alumina.Nws yog ib qho zoo heev hluav taws xob insulator, tab sis kuj muaj qhov tshwj xeeb thermal conductivity.Nws yog tsim rau siv raws li ib tug tshav kub-absorbing insulating cov ntaub ntawv nyob rau hauv cov khoom siv hluav taws xob.Piv txwv li, thaum sib sau ua ke fais fab transistors lossis cov khoom siv zoo sib xws, cov cua sov tsim tawm tuaj yeem raug tshem tawm hauv lub sijhawm ntawm beryllium oxide substrate lossis hauv paus, thiab cov nyhuv muaj zog ntau dua li siv cov kiv cua, cov kav dej kub lossis cov fins loj.Yog li ntawd, beryllium oxide feem ntau yog siv nyob rau hauv ntau hom hluav taws xob hluav taws xob hluav taws xob hluav taws xob hluav taws xob thiab cov khoom siv microwave radar xws li klystrons lossis cov kav dej mus ncig.
Kev siv tshiab rau beryllium oxide yog nyob rau hauv qee lub lasers, tshwj xeeb tshaj yog argon lasers, kom ua tau raws li qhov xav tau ntawm cov lasers niaj hnub no.
beryllium aluminium alloy
Tsis ntev los no, Brush Wellman Lub Tuam Txhab ntawm Tebchaws Meskas tau tsim cov txheej txheem ntawm beryllium aluminium alloys, uas yog superior rau lub hauv paus aluminium alloys nyob rau hauv cov nqe lus ntawm lub zog thiab nruj, thiab yuav tsum tau siv nyob rau hauv ntau aerospace sectors.Thiab Electrofusion tau siv los ua cov vaj tsev zoo siab, lub tsheb kauj vab, lub tshuab ntaus pob tesniv, lub log rub thiab cov cuab yeej pabcuam thiab cov tsheb sib tw.
Hauv ib lo lus, beryllium muaj cov khoom zoo heev thiab ua lub luag haujlwm tseem ceeb hauv kev ua haujlwm siab thiab txhim kho kev ua haujlwm thiab kev ua tau zoo ntawm ntau yam khoom.Kev saib xyuas tshwj xeeb yuav tsum tau them rau daim ntawv thov ntawm cov ntaub ntawv beryllium.
Alternatives rau Beryllium
Qee cov hlau-raws li lossis cov organic sib xyaw, cov qib siab ntawm txhuas, pyrolytic graphite, silicon carbide, steel, thiab tantalum tuaj yeem hloov pauv rau beryllium hlau lossis beryllium composites.Copper alloys los yog phosphor bronze alloys (tooj liab-tin-phosphorus alloys) uas muaj npib tsib xee, silicon, tin, titanium thiab lwm yam alloying Cheebtsam kuj tuaj yeem hloov beryllium tooj liab alloys.Tab sis lwm cov ntaub ntawv no tuaj yeem cuam tshuam cov khoom lag luam.Aluminium nitride thiab boron nitride tuaj yeem hloov beryllium oxide.
Post lub sij hawm: May-06-2022