1. Kayan shafa da Abubuwan Tsarin Tsarin Fused Quartz
1.1 Amorphous Network and thermal Stability
(Quartz Crucibles)
Quartz crucibles kwantena ne masu zafi da aka yi daga hadedde silica, wani nau'i na wucin gadi na silicon dioxide (SiO ₂) wanda aka samu daga narkewar lu'ulu'u na ma'adini na halitta a matakan zafin jiki da ya wuce gona da iri 1700 ° C.
Sabanin ma'adini crystalline, hadedde silica yana da amorphous cibiyar sadarwa mai girma uku na raba kusurwar SiO ₄ tetrahedra, wanda ke isar da juriya na girgiza zafin zafi na musamman da tsaro mai girma a ƙarƙashin saurin daidaita yanayin zafi.
Wannan tsarin tsarin atomic maras kyau yana ba da kariya daga ƙirjin tare da jirage na crystallographic, yin hadedde silica ƙasa da m ga karaya a duk lokacin hawan keke idan aka kwatanta da polycrystalline porcelains..
Samfurin yana nuna ƙarancin haɓakar haɓakar thermal (~ 0.5 × 10 ⁻ / K), daya daga cikin mafi ƙasƙanci tsakanin kayan aikin injiniya, yana ba shi damar jure matsanancin gangaren zafi ba tare da karaya ba– gini mai mahimmanci a cikin semiconductor da masana'antar hasken rana.
Haɗaɗɗen silica kuma yana kiyaye ƙarancin ƙarancin sinadarai na musamman akan yawancin acid, liqued karfe, da slags, ko da yake ana iya zana shi sannu a hankali ta hydrofluoric acid da zafi phosphoric acid.
Its high softening batu (~ 1600– 1730 ° C, dangane da tsabta da kayan OH) yana ba da damar ci gaba da aiki a yanayin zafi da ake buƙata don haɓaka kristal da matakan tace ƙarfe.
1.2 Tsabtace Grading da Kula da Ma'adanai
Ingancin ma'adini crucibles ya dogara sosai akan tsarkin sinadarai, musamman mayar da hankali ga gurɓataccen ƙarfe kamar ƙarfe, sodium, potassium, aluminum mai nauyi, da titanium.
Hakanan gano adadin (aka gyara a kowace matakin miliyan) daga cikin waɗannan ƙazanta na iya motsawa zuwa siliki narkakkar yayin haɓakar kristal, tabarbarewar gine-ginen lantarki na abin da aka samu na semiconductor.
Halaye masu tsafta da ake amfani da su a cikin na'urorin lantarki waɗanda ke samarwa galibi sun ƙunshi sama da ƙasa 99.95% SiO ₂, tare da alkali karfe oxides ƙuntata zuwa da yawa kasa da 10 ppm da karfen canji a ƙasa 1 ppm.
Abubuwan gurɓatawa suna fitowa daga kayan abinci na ma'adini na ma'adini ko kayan aiki kuma ana rage su ta hanyar zaɓin tunani na tushen ma'adinai da hanyoyin tsarkakewa kamar leach acid da kariyar ruwa..
Bugu da kari, hydroxyl (OH) Abubuwan da ke cikin gidan yanar gizo a cikin silica da aka haɗa suna yin tasiri ga ayyukan thermomechanical; nau'ikan manyan-OH suna ba da mafi kyawun watsawar UV amma ƙananan kwanciyar hankali, yayin da ƙananan nau'ikan OH an fi so don aikace-aikacen zafin jiki mai zafi saboda ƙarancin ci gaban kumfa.
( Quartz Crucibles)
2. Tsarin Samar da Ƙira da Ƙirƙirar Ƙira
2.1 Electrofusion da Kafa Dabarun
Ana samar da crucibles quartz ta hanyar lantarki, wani tsari wanda ake ciyar da foda mai tsafta mai tsafta zuwa cikin jujjuyawar graphite mold da mildew a cikin injin arc na lantarki..
Arc na lantarki da aka samar tsakanin carbon electrodes yana narke raƙuman ma'adini, wanda ke ƙarfafa Layer by Layer don ƙirƙirar maras kyau, m crucible form.
Wannan dabarar tana haifar da ƙima mai kyau, microstructure mai kama da ƙaramin kumfa da striae, da muhimmanci ga m dumi wurare dabam dabam da inji kwanciyar hankali.
Ana amfani da hanyoyi daban-daban kamar haɗin plasma da haɗin wuta don aikace-aikace na musamman waɗanda ke buƙatar ƙarancin ƙarancin ƙazanta ko cikakkun bayanan bayanan girman bango..
Bayan yin wasan kwaikwayo, crucibles suna tafiya ta hanyar sanyaya mai sarrafawa (annealing) don kawar da damuwa na ciki da kuma dakatar da karyewa ba tare da bata lokaci ba yayin bayani.
Ƙarshen farfajiya, wanda ya kunshi nika da haske, yana tabbatar da daidaiton girman kuma yana saukar da rukunin yanar gizo don ƙirƙira maras so a duk lokacin amfani.
2.2 Injiniya Layer na Crystalline da Kula da Ba'a
Siffar ma'anar ma'auni na quartz crucibles na zamani, musamman waɗanda aka yi amfani da su a cikin ƙarfi na kwatance na silicon multicrystalline, shine tsarin tsarin Layer na ciki da aka ƙera.
A ko'ina cikin masana'antu, Sau da yawa ana yin ma'amala da yanki na cikin gida don tallata ci gaban bakin ciki, sarrafawa Layer na cristobalite– babban zafin jiki na SiO TWO– a farkon dumama gida.
Wannan Layer na cristobalite yana aiki azaman cikas mai yaduwa, rage ma'amala kai tsaye tsakanin narkakkar siliki da silica hadedde, don haka rage iskar oxygen da gurɓataccen ƙarfe.
Haka kuma, ganuwa na wannan lokaci crystalline kara habaka opacity, inganta infrared radiation sha da kuma talla har ma mafi daidaito yanayin zafi a cikin narke.
Masu haɓakawa masu ƙima suna daidaita kauri da haɗin wannan Layer don hana ɓarna ko rarrabuwa saboda canjin girma yayin canjin mataki..
3. Ingantacciyar Aiki a cikin Aikace-aikace Masu Zazzabi
3.1 Ayyuka a cikin Tsarin Ci gaban Silicon Crystal
Quartz crucibles suna da mahimmanci a cikin samar da monocrystalline da silicon multicrystalline, aiki a matsayin babban akwati don siliki mai ruwa a cikin Czochralski (CZ) da tsarin ƙarfafa tsarin jagoranci (DS).
A cikin tsarin CZ, Ana tsoma kristal iri daidai a cikin siliki mai ruwa da aka ajiye a cikin ma'auni na quartz kuma a hankali ya zana sama yayin juyawa., ba da izinin ingots-crystal guda ɗaya don haɓaka.
Ko da yake crucible ba ya magana kai tsaye ga girma crystal, hulɗar da ke tsakanin siliki mai ɗorewa da saman bangon SiO ₂ yana haifar da narkar da iskar oxygen zuwa narke, wanda zai iya yin tasiri ga mai bada sabis tsawon rayuwa da ƙarfin injina a ƙarshen wafers.
A cikin hanyoyin DS don silicon-grade photovoltaic, manyan crucibles na quartz suna ba da damar sarrafa sanyaya ɗaruruwan kilogiram na siliki mai ruwan siliki zuwa cikin ingots mai siffa..
nan, sutura kamar silicon nitride (Si biyar N HUDU) Ana amfani da saman ciki don guje wa haɗin gwiwa da taimakawa cikin sauƙi ƙaddamar da ƙaƙƙarfan toshe silicon bayan sanyaya.
3.2 Na'urorin Rushewa da Iyakokin Rayuwar Sabis
Duk da taurinsu, ma'adini crucibles suna raguwa a duk tsawon zagayowar yanayin zafi da aka kwafi saboda na'urori masu alaƙa da yawa.
Ƙaƙƙarfan kwarara ko juzu'i yana faruwa a cikin dogon lokaci kai tsaye bayyanuwa 1400 ° C, haifar da ɓarkewar bango da asarar gaskiya na geometric.
Sake sakewa na silica da aka haɗa daidai a cikin cristobalite yana haifar da damuwa na ciki da damuwa sakamakon haɓaka girma., mai yuwuwa haifar da karaya ko bazuwar da ke gurbata narke.
Rushewar sinadari yana fitowa daga raguwar martani a tsakanin siliki mai ruwa da SiO TWO: SiO BIYU + Si → 2SiO(g), haifar da maras tabbas silicon monoxide wanda ya fita kuma yana lalata bangon bango mai ƙyalli.
Ci gaban kumfa, iskar gas da aka kama ko ƙungiyoyin OH, bugu da žari yana haifar da juriya na tsari da yanayin zafi.
Wadannan tabarbarewar hanyoyin suna iyakance nau'ikan sake amfani da sake zagayowar kuma suna buƙatar daidaitaccen sarrafa tsari don haɓaka tsawon rayuwa mai ƙima da yawan amfanin abubuwa..
4. Haɓaka Haɓaka da Daidaituwar Fasaha
4.1 Rufi da Canje-canje
Don inganta aiki da tsawon rai, ci gaban ma'adini crucibles sun haɗa rufin aiki da sifofi masu haɗaka.
Silicon-tushen anti-stick yadudduka da miyagun ƙwayoyi kammala silica suna haɓaka fasalulluka da rage fitar da iskar oxygen a duk lokacin narkewa..
Wasu masana'antun sun haɗa zirconia (ZrO ₂) barbashi a cikin crucible bango surface don ƙara inji ƙarfi da kuma juriya ga devitrification.
Bincike yana ci gaba da kasancewa daidai cikin cikakkun madaidaitan madaidaitan ma'auni ko gyare-gyaren gradient waɗanda aka haɓaka don haɓaka canjin zafi mai haske a cikin shimfidar tsarin dumama hasken rana na gaba..
4.2 Dorewa da Kalubalen sake amfani da su
Tare da haɓaka buƙatu daga masana'antar semiconductor da masana'antar hotovoltaic, Amfani mai ɗorewa na quartz crucibles ya zama damuwa.
Gilashin da aka yi amfani da su da aka gurbata tare da ajiyar siliki suna da wahalar sake yin fa'ida saboda hatsarori masu cutarwa, yana haifar da haɓakar sharar gida mai yawa.
Ƙaddamarwa sun mayar da hankali kan haɓaka rufin da za a iya sake yin amfani da su, haɓaka hanyoyin tsaftacewa, da tsarin sake amfani da rufaffiyar don dawo da siliki mai tsafta don ƙarin aikace-aikace.
Kamar yadda ingancin na'urar yana buƙatar mafi girman tsarkin abu, aikin ma'adini crucibles tabbas zai kasance don ci gaba tare da ci gaba a cikin kimiyyar samfuran da ƙirar tsari.
A sake fasalin, ma'adini crucibles suna wakiltar mahimman mu'amalar mai amfani tsakanin albarkatun da samfuran lantarki masu inganci.
Haɗin su ɗaya-na-iri na tsafta, thermal ƙarfi, kuma tsarin tsarin yana ba da damar ƙirƙira fasahar zamani na tushen silicon waɗanda ke ƙarfafa kwamfuta ta zamani da tsarin makamashi mai sabuntawa..
5. Mai bayarwa
Advanced Ceramics kafa a Oktoba 17, 2012, babban kamfani ne na fasaha mai himma ga bincike da haɓakawa, samarwa, sarrafawa, tallace-tallace da sabis na fasaha na kayan dangi na yumbu irin su Alumina Ceramic Balls. Kayayyakinmu sun haɗa amma ba'a iyakance ga samfuran yumbura na Boron Carbide ba, Boron Nitride Ceramic Products, Silicon Carbide Ceramic Products, Silicon Nitride Ceramic Products, Zirconium Dioxide Ceramic Products, da dai sauransu. Idan kuna sha'awar, don Allah a ji daɗin tuntuɓar mu.([email protected])
Tags: ma'adini crucibles,Fused quartz crucible,ma'adini crucible ga silicon
Duk labarai da hotuna daga Intanet suke. Idan akwai wasu batutuwan haƙƙin mallaka, don Allah a tuntube mu a lokacin sharewa.
A tambaye mu