TAMBAYA
Ilimin gabaɗaya don yumbu foda
2024-12-20


General Knowledge for Ceramic Powder

                                                       (Yumbu FodaWanda ya samarWintrustek)


yumbu fodaya ƙunshi barbashi yumbu da ƙari waɗanda ke sauƙaƙa amfani da su don yin abubuwa. Ana amfani da wakili mai ɗaure don kiyaye foda tare bayan ƙaddamarwa, yayin da wakili na saki ya sa ya yiwu a cire wani abu mai mahimmanci daga ƙaddamarwa ya mutu tare da sauƙi.

 

Misalai na kayan aiki


ALUMINA

Ceramic tare da tsarin sinadarai Al2O3 ana kiransa alumina. Abubuwan farko na waɗannan foda sune tsarin su, tsabta, taurinsu, da takamaiman yanki.

 

Aluminum NITRIDE

A cikin masana'antar semiconductor da na'urorin lantarki, waɗannan foda' thermal da halayen lantarki suna da ƙima musamman.

 

HEXAGONAL BORON NITRIDE

Hexagonal boron nitrideyana da insulation mai kyau na wutan lantarki, zafin zafi, da kwanciyar hankali na sinadarai.

 

ZYP

Foda ZYP an yi shi ne daga zirconia wanda aka daidaita shi da yttrium oxide kuma yana da matuƙar kyau, foda mai saurin amsawa.

 

 

Hanyoyin Masana'antu

 

MILLING/NIKWA

Milling, wanda kuma aka sani da nika, hanya ce ta samar da yumbu foda wanda aka rage girman barbashi na abu mai yumbu har sai ya zama foda.

 

YIN TSININ KAset

Wani babban tsari don samar da foda na yumbu shine simintin tef. Ana amfani da shi a cikin samar da abubuwan haɗin da aka haɗa. Bugu da ƙari, ana amfani da shi wajen gina capacitors multilayer da haɗaɗɗen tsarin fakitin kewayawa. Yin simintin gyare-gyare yana faruwa akai-akai akan saman mai ɗaukar hoto ta amfani da foda yumbu, kaushi na halitta, da kuma mai ɗaure polymer. Teflon ko wani abu maras sanda yana aiki azaman saman mai ɗauka. Sa'an nan, ta yin amfani da gefen wuka, haɗin yumbura (slurry) ana rarraba shi a cikin ƙasa mai santsi zuwa ƙayyadadden kauri. Bayan bushewa, ana shirya Layer na cakuda foda na yumbu don sarrafawa.

 

KYAUTA

An canza foda yumbu ta hanyar wannan tsari daga yanayin granular zuwa mafi haɗin kai kuma mai yawa. Wannan hanya tana ƙaddamar da yumbu foda, kamar yadda sunan ya nuna. Ana iya amfani da matsi mai sanyi ko matsi mai zafi don ƙaƙƙarfan barbashi na yumbu.

 

MULKIN ALLURAR

Ana amfani da gyare-gyaren allura don samar da kayan yumbu tare da hadadden geometries. Ana iya amfani da wannan tsari don samar da kayan yumbu a cikin adadi mai yawa. Yin gyare-gyaren allura tsari ne mai ma'ana. Ana amfani da shi don duka yumbu oxide da tukwane marasa oxide. Bugu da kari, yana da madaidaici sosai. Ƙarshen samfurin yin gyare-gyaren allura yana da inganci.

 

ZAUREN FITSA

Simintin gyare-gyare hanya ce ta samar da yumbu foda wadda aka fi amfani da ita a cikin tukwane. Yawanci, ana amfani da shi don yin siffofi waɗanda ke da wahalar yin amfani da dabaran. Simintin simintin gyare-gyare hanya ce mai tsayi wacce za ta iya ɗaukar har zuwa awanni 24. A gefen ƙari, samfurin da aka gama daidai ne kuma abin dogara. A Turai, zamewar simintin gyare-gyare ya koma shekarun 1750, kuma a China, an sake komawa baya. Dakatar da yumbun foda yana ba shi damar haɗuwa a matsayin zamewa. Ana cika ƙura mai ƙura da zamewa. Kamar yadda mold ya bushe, samar da wani m Layer daga zamewa.

 

GEL KYAUTA

Gel simintin gyare-gyare tsari ne na keramic foda wanda ya fara a Kanada a cikin 1960s. Ana amfani da shi don ƙirƙirar rikitattun sifofin yumbu waɗanda ke da ƙarfi da inganci. A cikin wannan hanya, an haɗa monomer, cross-linker, da mai ƙaddamar da radical free tare da yumbu foda. Sannan ana haɗa haɗin zuwa dakatarwar ruwa. Don ƙara taurin cakuduwar, abin ɗaure da ya rigaya ya kasance yana yin polymerized. Haɗin sai ya canza zuwa gel. Ana zuba cakuda gel a cikin wani nau'i kuma a bar shi ya ƙarfafa a can. Bayan ƙarfafawa, an cire abu daga cikin m kuma bushe. Samfurin da aka gama shine koren jiki wanda daga baya ya zube.

 

EXTRUSTION

Extrusion wani tsari ne na yin foda yumbu wanda za'a iya amfani dashi don gyara kayan zuwa sifofin da ake so. Ja da yumbu foda ta hanyar mutu tare da wani yanki na giciye. Samar da yumbu tare da sassan giciye mai rikitarwa yana yiwuwa tare da wannan fasaha. Bugu da ƙari, ba ya yin isasshen ƙarfi a kan kayan don murkushe su. Samfuran ƙarshe na wannan hanya suna da ƙarfi kuma suna da gogewar ƙasa abin yabawa. A 1797, na farko extrusion hanya da aka za'ayi. Wani mai suna Joseph Bramah ya aikata ta. Extrusion na iya zama dumi, sanyi, ko zafi. A yanayin zafi sama da yanayin recrystallization na kayan, zafi mai zafi yana faruwa. Dumi extrusion yana faruwa sama da zafin ɗaki da ƙasa da zazzabi na recrystallization na kayan, yayin da extrusion sanyi yana faruwa a cikin zafin jiki.

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