Iibhola Zokugaya zeAlumina
Njengesixhobo sokugaya esisebenza kakuhle kakhulu, sethuIibhola Zokugaya zeAluminaZenzelwe ukubonelela ngokusebenza okugqwesileyo kwiinkqubo zokusila, ukutyumza, kunye nokusasaza kumacandelo ahlukeneyo emizi-mveliso. Zenziwe nge-aluminium oxide ecocekileyo kakhulu (Al₂O₃) njengeyona nto iphambili kunye netekhnoloji yokusila yeseramikhi ephucukileyo, ezi bhola zibalaseleyo ngokuqina kwazo okuphezulu, ukumelana nokuguguleka, kunye nokuzinza kweekhemikhali, nto leyo ezenza zibe lukhetho lokuqala lokucubungula izinto ngokufanelekileyo nangokuchanekileyo.
1. Uhlu ngokwe-Alumina Content
(1) Iibhola zeAluminiyam eziphakathi (60%-65% Al₂O₃):Ukhetho olungabizi kakhulu kwizicelo zokusila ngokubanzi. Ifanelekile kwizixhobo zokusila ezinobunzima obuphantsi, njenge-slime yamalahle, izichumisi, kunye neeminerali eziqhelekileyo. Ifanelekile kubathengi abafuna ukusebenza okulinganiselayo kunye nezisombululo ezingabizi kakhulu.
(2) Iibhola zeAluminiyam eziphakathi-eziphezulu (75%-80% Al₂O₃):Ukumelana nokuguguleka okuphuculweyo xa kuthelekiswa neebhola ze-aluminiyam eziphakathi. Isetyenziswa kakhulu ekugayeni izinto zokwenza i-ceramic, izinto zokwakha, kunye neemveliso zeekhemikhali ezingagqwali kakhulu. Lukhetho oluguquguqukayo lokugaya izinto zoshishino eziphakathi.
(3) Iibhola ze-Aluminium eziphezulu (≥90% Al₂O₃):Iiklasi zeprimiyamu ezinentsebenzo egqwesileyo. Zahlulwe ngakumbi kwi-subgrades ezingama-90 zeseramikhi, ezingama-92 zeseramikhi, ezingama-95 zeseramikhi, kunye nezingama-99 zeseramikhi. Phakathi kwazo, iibhola zeseramikhi ezingama-92 zezona zidumileyo ngenxa yokulinganisela kwazo ukusebenza kunye neendleko, ezisetyenziswa kakhulu ekugayeni kakuhle kweglaze zeseramikhi, izixhobo ze-elektroniki, kunye nezixhobo zekhemikhali ezicocekileyo kakhulu. Iibhola zeseramikhi ezingama-99, ezinomxholo ophezulu we-alumina, zenzelwe ukugaya ngokuchanekileyo kakhulu kumashishini aphezulu afana ne-semiconductor kunye ne-aerospace.
2. Iinkonzo zokwenza ngokwezifiso
Siyaqonda ukuba abathengi abahlukeneyo banemfuno ezizodwa zokugaya. Ukuze sihlangabezane neemfuno zakho ezithile, sinikezela ngeenkonzo ezibanzi zokwenza ngokwezifiso:
Umxholo we-alumina olungiselelwe wena ukuze uhambelane nendawo yakho yokusila kunye neempawu zezinto eziphathekayo.
Ubungakanani obulungiselelwe wena (ukusuka kwi-1mm ukuya kwi-50mm) kunye neemilo (ezingqukuva, ezisilinda, njl.njl.).
Unyango olukhethekileyo lomphezulu wokumelana nokuguguleka okuphuculweyo okanye ukunciphisa ungcoliseko.
Izisombululo zokupakisha ezenziwe ngokwezifiso (ukupakisha ngobuninzi, ukupakisha okufakwe kwiingxowa, njl.njl.) ukuze kube lula ukuthuthwa nokugcinwa.
Iimbonakalo:
Ukuqina Okuphezulu kunye nokumelana nokunxiba okunamandla:Ubunzima beMohs bufikelela kwi-9 (kufuphi nedayimani), kunye nesantya sokuguguleka esiphantsi (<0.03%/1,000 iiyure kwiimodeli ezicocekileyo kakhulu). Iyamelana nokuqhekeka kunye nenkunkuma ngexesha lokusila ixesha elide, nto leyo ebangela ubomi benkonzo ende.
Uxinano oluPhezulu kunye nokusebenza kakuhle kokusila:Ngobuninzi bayo obuyi-3.6-3.9 g/cm³, inika amandla amakhulu okuchukumisa kunye nokucheba ngexesha lokusila, iphucula ngokukhawuleza izinto ukuya kwinqanaba le-micron, ngobuchule obuphezulu ngama-20%-30% kuneebhola ze-aluminium eziphakathi neziphantsi.
Ukungcola okuphantsi kunye nokuzinza kweekhemikhali:Iimodeli ezicocekileyo kakhulu ziqulathe ukungcola okungaphantsi kwe-1% (okufana ne-Fe₂O₃), okuthintela ukungcoliswa kwezinto. Zimelana nee-asidi ezininzi kunye nee-alkali (ngaphandle kwee-asidi ezinamandla kunye nee-alkali ezixineneyo), amaqondo obushushu aphezulu (ngaphezulu kwe-800°C), kwaye zifanelekile kwiinkqubo ezahlukeneyo zokusila.
Ubungakanani obuguquguqukayo kunye nokuhambelana:Ifumaneka ngobubanzi ukusuka kwi-0.3 ukuya kwi-20 mm, ibhola ingasetyenziswa ngobukhulu obunye okanye obuxutyiweyo, ihambelana neebhola, iisanti, kunye nezinye izixhobo, ihlangabezana nazo zonke iimfuno ukusuka ekugayweni okurhabaxa ukuya ekugayweni okucolekileyo.
| Into | I-95% Al2O3 | I-92% Al2O3 | I-75% Al2O3 | I-65% Al2O3 |
| I-Al2O3(%) | 95 | 92 | 75 | 65 |
| Ubuninzi bobuninzi (g/cm3) | 3.7 | 3.6 | 3.26 | 2.9 |
| Ukufunxwa (%) | <0.01% | <0.015% | <0.03% | <0.04% |
| Ukurhawuzelelwa (%) | ≤0.05 | ≤0.1 | ≤0.25 | ≤0.5 |
| Ubulukhuni (iiMohs) | 9 | 9 | 8 | 7-8 |
| Umbala | Mhlophe | Mhlophe | Mhlophe | Umbala otyheli ongabonakaliyo |
| Ububanzi(mm) | 0.5-70 | 0.5-70 | 0.5-70 | 0.5-70 |
Yahlulwe "bubunyulu" ukuze ihlangabezane neemfuno ezahlukeneyo
| Umxholo we-Alumina | Ukusebenza okuPhambili Iimbonakalo | IyasebenzaIziganeko | Indawo yokuBeka iindleko |
| 60%-75% | Ubunzima obuphantsi (iiMohs 7-8), izinga eliphezulu lokuguguleka (>0.1%/iiyure ezili-1000), ixabiso eliphantsi | Izicelo ezineemfuno eziphantsi zokucoceka kwezinto kunye nokusebenza kakuhle kokusila, ezifana nesamente eqhelekileyo, ukusila iore, kunye nokwakha imizimba yeseramikhi (iimveliso ezinexabiso eliphantsi) | Eyona iphantsi |
| 75%-90% | Ubunzima obuphakathi, izinga lokunxiba eliphakathi (0.05% -0.1%/1000 iiyure), ukusebenza ngexabiso eliphezulu | Iimfuno zokugaya eziphakathi, ezifana neeglaze zeseramikhi ngokubanzi, iingubo ezisekelwe emanzini, kunye nokucubungula izimbiwa (ukulinganisela iindleko kunye nokusebenza) | Phakathi |
| ≥90% (eqhelekileyo yi-92%, 95%, 99%) | Ubunzima obuphezulu kakhulu (Mohs 9), izinga lokuguguleka eliphantsi kakhulu (ubumsulwa obungama-92% ≈ 0.03%/1000 iiyure; ubumsulwa obungama-99% ≈ 0.01%/1000 iiyure), kunye nokungcola okuncinci kakhulu. | Ukugaya ngokuchanekileyo okuphezulu, okufana: iiseramikhi ze-elektroniki (MLCC), iiglaze eziphezulu, izixhobo zebhetri ye-lithium (ukugaya izinto ze-electrode ezilungileyo), izixhobo zamayeza (ezifunekayo ukuze zingangcolisi ukungcola) | Phezulu (okukhona ubunyulu buphezulu, kokukhona ixabiso liphezulu) |
Izicelo ezibanzi:
Iibhola zethu zokugaya ze-alumina zisetyenziswa kakhulu kwiindawo ezahlukeneyo zoshishino ezifuna ukugaywa ngokufanelekileyo nangokuchanekileyo. Iindawo eziphambili zokusetyenziswa ziquka:
1. Ishishini leCeramic:Ukusila izinto zodongwe, iiglaze, kunye neefrits.
2. Ushishino lokupeyinta nokufaka iipeyinti:Ukuchithachitha nokucola ipeyinti, i-inki, kunye nezinto zokugquma.
3. Ishishini Lokucubungula Izimbiwa:Ukusila iiminerali ezingezizo ezesinyithi (umz., i-quartz, i-feldspar, i-kaolin) kunye neeminerali zesinyithi (umz., i-iron ore, i-copper ore).
4. Ishishini leeKhemikhali:Ukusila izinto ezikrwada zeekhemikhali, izinto ezibangela ukuba kubekho iikhemikhali ...
5. Ishishini lezinto ze-elektroniki kunye nezintsha:Ukusila ngokuchanekileyo kakhulu kweeseramikhi ze-elektroniki, izixhobo zebhetri ye-lithium, kunye nezixhobo ze-semiconductor.
6. Ishishini lokutya kunye neyeza:Ukusila izongezo zokutya, izinto zokwenza amayeza (ezihambelana neemfuno zezinga lokutya kunye nezinga lezinga leyeza).
Imibuzo ebuzwa qho
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Kakade ke, sinikezela ngeesampuli zasimahla.
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Akukho mda, singakunika ingcebiso nesisombululo esifanelekileyo ngokwemeko yakho.
Besisenza izinto ezirhabaxa kangangeminyaka engaphezu kwama-30, sinenkxaso yobugcisa enamandla kunye namava amaninzi, singanceda abathengi ukuba bayile ii-kiln ezahlukeneyo kwaye banikezele ngenkonzo enye.
