I-Aluminium Oxide Ephucukileyo (Al2O3): Ukuvumela Usetyenziso Lwezobuchwepheshe Obuphezulu Ngobunono Nokuthembeka
Isishwankathelo
I-aluminium oxide (Al2O3)I-Alumina, eyaziwa ngokuba yi-alumina, sisixhobo se-ceramic esiguquguqukayo nesisebenza kakuhle esisetyenziswa kakhulu kumashishini amaninzi aphucukileyo ngenxa yamandla aso angaqhelekanga e-dielectric, uzinzo lobushushu, ukungangeni kweekhemikhali, kunye nobunzima boomatshini. Eli phepha lichaza iipropati eziphambili, usetyenziso, kunye neenkcukacha zobugcisa ze-alumina ecocekileyo kakhulu, igxile kwindima yayo ebalulekileyo ekupakisheni kwe-semiconductor kunye neengubo zebhetri ye-lithium-ion. Ukongeza, igxininisa amandla okuvelisa kunye nokubonelela nge-UrbanMines Tech., umvelisi ophambili waseTshayina ozinikele kumgangatho, ukwenza ngokwezifiso, kunye neenkonzo zokuthumela ngaphandle ezinokuthenjwa.
1. Intshayelelo
I-Alumina ayisiyonto nje ekrwada yokwenziwa kwe-aluminium; lilitye lesiseko lokwenziwa kwe-teknoloji ephezulu yanamhlanje. Ukusuka kwi-microelectronics kunye nokugcinwa kwamandla ukuya kwi-optics, i-catalysis, kunye neengubo zokukhusela, indibaniselwano eyahlukileyo ye-alumina yeempawu zenza ukuba ibe yinto eyimfuneko. Ngenxa yemfuno ekhulayo ye-miniaturization, ukusebenza kakuhle kwamandla, kunye nokuthembeka okuphezulu kwiinkqubo ze-elektroniki kunye namandla, imfuneko ye-alumina ecocekileyo kakhulu eyenziwe ngokuchanekileyo ayizange ibe nkulu kangaka.
2. Iimpawu kunye neenkcukacha zezinto
I-alumina ecocekileyo kakhulu ihlulwe ngokwesigaba sayo, inqanaba lobumsulwa, ukusasazwa kobungakanani bamasuntswana, kunye nomxholo wokungcola okulandelelweyo, iparameter nganye ilungiselelwe iimfuno ezithile zesicelo.
2.1 Ulawulo lobuNgcwelo kunye nokungacoceki
- Amanqanaba e-High-Purity: 4N (99.99%), 5N (99.999%), kunye ne-6N (99.9999%) alumina zibalulekile kwizicelo ezinobuzaza ezifana ne-semiconductor encapsulation kunye ne-optical components.
- Ukukhutshwa kwe-Alpha-Ray okuphantsi: Kubalulekile ekupakishweni kwe-semiconductor ukuthintela iimpazamo ezithambileyo kwizixhobo zememori. Iinkcukacha zihlala zifuna umxholo we-Uranium (U) kunye ne-Thorium (Th) ongaphantsi kwe-3 ppb, kunye nokungcola okuncinci kwe-Fe, Na, kunye ne-Cl.
- Umzekelo weNkcazelo:
- Umxholo we-Al₂O₃: ≥ 99.7%
- SiO₂: <0.15%, Fe₂O₃: <0.1%, Na₂O: <0.1%
- Ukufuma: < 0.1%, Ukulahleka xa kutsha: < 0.1%
2.2 Ubungakanani beenxalenye kunye neMofology
Izicelo ziyalela i-granulometry echanekileyo:
- I-Spherical Alumina: Ubungakanani be-D50 buqala kwi-1 µm ukuya kwi-45 µm (umz., 2.8 µm, 5.8 µm ukuze kubekho uxinano oluphezulu lokupakisha kwii-semiconductors).
- I-Alumina engeyiyo i-Spherical: D50 ukusuka kwi-1.5–10.5 µm, esetyenziswa kwiingubo kunye nee-composites apho indawo ethile yomphezulu kunye noxinano oluluhlaza zibalulekile.
- Indawo yoMphezulu weBET: Ngokwesiqhelo i-< 1.5 m²/g yokwaleka ukuqinisekisa ukwakheka okufanelekileyo kodaka kunye nokunamathela.
2.3 Ulwakhiwo lweSigaba kunye neCrystalline
I-alumina ye-alpha-phase (α-Al2O3) yeyona fom izinzileyo ngokwe-thermodynamics, enika ubulukhuni obuphezulu, ukuqhuba kobushushu, kunye nokufakelwa kombane. Ubungakanani bekristale obuyi-2–3 µm buhlala buchazwa ukuze kusetyenziswe ukubola rhoqo kunye nesakhiwo sokugqibela se-microstructure.
3. Izicelo eziphambili kwimizi-mveliso yobuchwepheshe obuphezulu
3.1 Ukupakisha i-Semiconductor
I-alumina e-spherical ene-alpha ephantsi isetyenziswa njengesizalisi kwiikhompawundi ze-epoxy molding (EMCs) ukuphucula ukuhanjiswa kobushushu, ukunciphisa i-coefficient of thermal expansion (CTE), kunye nokubonelela ngokukhusela imitha. Ukusasazwa kobungakanani bamasuntswana (umz., i-bimodal 2.8 µm kunye ne-5.8 µm) kulungiselelwe ukupakisha okuphezulu kunye ne-viscosity encinci.
3.2 Iingubo zokwahlukanisa iibhetri zeLithium-Ion
I-α-alumina ecocekileyo kakhulu (D50 < 4 µm) isetyenziswa njengengubo yeseramikhi kwii-polymer separators. Iphucula uzinzo lobushushu, ithintela ukungena kwe-dendrite, kwaye iphucula ukufuma kwe-electrolyte, ngaloo ndlela inyusa ukhuseleko lwebhetri kunye nobomi bomjikelo. Izinto ezisetyenzisiweyo zixutywe nee-binders ukuze zenze i-slurry ezinzileyo yokwaleka okufanayo.
3.3 Ezinye iindlela eziPhambili zokusetyenziswa
- Ii-Capacitors: Njengesithintelo se-dielectric ngenxa yesithuba sayo esibanzi sebhendi.
- Ukucocwa kweCatalyst kunye nokuNyuswa kweDayibha: I-alumina kwindawo ephezulu njengenkxaso ye-catalyst okanye i-desiccant.
- Iiceramics zesakhiwo: Kwizinto zokugquma ezingagugiyo, izinto ezifakelweyo zonyango (umz., izinto zokutshintshwa kwesinqe), kunye neenkqubo zezixhobo.
- Ukupholisha kunye nokuqhobosha: I-Ultrafine alumina (iDiamantine) yokupholisha ngokuchanekileyo kwi-optics nakwi-wotshi.
- Ubushushu obuphezulu: Njengezigqubuthelo ezinganyangekiyo kwii-oven.
4. I-UrbanMines Tech.: Iqabane Elithembekileyo elivela eTshayina
Njengoko imfuno yehlabathi ye-alumina ekhethekileyo ikhula, i-UrbanMines Tech. ivelele njengomthengisi othembekileyo onolwazi olunzulu lobuchwephesha kunye nendlela egxile kubathengi.
4.1 Ubuchule bokuVelisa
- Imigca yethu yemveliso ezinikeleyo eTshayina ixhotyiswe ukuvelisa i-alumina ecocekileyo kakhulu, ene-alpha ephantsi enolawulo olungqongqo lomgangatho.
- Sinikezela ngobukhulu bebhetshi obuguquguqukayo—ukusuka kwiisampulu ze-R&D ukuya kwimveliso epheleleyo—siqinisekisa amaxesha amafutshane okukhokela kunye nobonelelo olufike ngexesha elifanelekileyo.
4.2 Amandla okwenza ngokwezifiso
- Silungisa ubunyulu, ukusasazwa kobukhulu beentwana, imo (engqukuva/engeyiyo engqukuva), kunye neeprofayili zokungcola ukuze kuhlangatyezwane neemfuno zabathengi ezichanekileyo.
- Inkxaso yobugcisa iyabonelelwa ukunceda ekukhetheni nasekudibaniseni izixhobo.
4.3 Ukuthembeka Okuqinisekisiweyo kunye Nobuchule Bokuthumela Izinto Kumanye Amazwe
- Ngamava aneminyaka eli-16 kushishino, sakhe ubudlelwane bexesha elide; ngaphezulu kwama-60% abathengi bethu bebe ngamaqabane kangangeminyaka engaphezu kwemi-5.
- Sinazo zonke iilayisenisi zokuthumela ngaphandle ezifunekayo, kuquka nezo zeemveliso ezinxulumene nomhlaba onqabileyo, ukuqinisekisa ukuba izinto ezithunyelwa kwamanye amazwe zihamba kakuhle kwaye zihambelana nemithetho.
4.4 Inzuzo "Yenziwe eTshayina"
- Inkqubo yemizi-mveliso ekhulileyo yaseTshayina inika iingenelo zokhuphiswano ekufumaneni izinto eziluhlaza, ubuchwepheshe bokucubungula obuphambili, kunye nemveliso enokwandiswa.
- I-UrbanMines Tech. isebenzisa la mandla ngelixa ilandela imigangatho yomgangatho wamazwe ngamazwe (ISO, RoHS, REACH).
5. Isiphelo
I-aluminium oxide ecocekileyo kakhulu iyinto ebalulekileyo ekuveliseni izinto ezintsha kwi-elektroniki, ukugcinwa kwamandla, kunye neeseramikhi eziphambili. Ukuhlangabezana neemfuno ezingqongqo zezicelo zanamhlanje kufuna kungekuphela nje isayensi yezinto eziphucukileyo kodwa kunye nothungelwano lokubonelela oluthembekileyo nolukhawulezayo. I-UrbanMines Tech. idibanisa iimveliso ezisebenza kakuhle kunye nokwenza ngokwezifiso okuguquguqukayo kunye neenkonzo zokuthumela ngaphandle ezinokuthenjwa, okwenza ukuba ibe liqabane elifanelekileyo kubathengi behlabathi abafuna izisombululo ze-alumina ezisemgangathweni.
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