1. UPhando lwezeNzululwazi ngezinto eziphathekayo kunye neMfezeko yoLwakhiwo
1.1 Ukubunjwa kunye neCrystalline Architecture
(I-Alumina Ceramic Baking Dish)
Ukutya okuphekiweyo kwe-alumina ceramic kwenziwa nge-aluminium oxide (Al ₂ O ₃), i-polycrystalline i-ceramic imathiriyeli ehlala iquka i-90– 99.5% alumina ecocekileyo, kunye nezongezo ezincinci ze-silica, imagnethi, okanye iiminerali zodongwe ukunceda sintering kunye nokulawula microstructure.
Isigaba esiphambili sekristale yi-alpha-alumina (α-Al zimbini O EZINE), ethatha i-hexagonal evaleleke kwisakhiwo se-latticework eyaziwayo ngokuzinza kwayo okungaqhelekanga, ukuqina, kunye nokuchasana nokutshatyalaliswa kweekhemikhali.
Kuyo yonke imveliso, I-alumina powder ekrwada yenziwa kwaye ipheliswe xa kushushu (1300– 1600 °C), Uxinaniso lwentengiso nge-slid-state okanye i-liquid-phase sintering, okubangela ukuba kubekho i-fine-grained, microstructure edibeneyo.
Le microstructure idlulisela amandla aphezulu omatshini kunye nokuqina, ngamandla flexural ezahlukeneyo ukusuka 250 ukuya 400 MPa, zigqithise kakhulu ezo zeporcelain zemveli okanye izixhobo zamatye.
Ukunqongophala kwe-porosity kwi-alumina porcelain engqingqwa ngokupheleleyo kuthintela ukufunxwa kolwelo kwaye kuthintele ukukhula kwe-microbial., ukubenza bacoceke ngokwendalo kwaye kulula kakhulu ukuzicoca.
Ngokungafaniyo neglasi okanye iiporcelains zodidi olusezantsi ezinokuthi zibe nezigaba ze-amorphous ezichaphazeleka kumothuko wobushushu, iiporcelains eziphezulu zealumina zibonisa ukuhambelana kolwakhiwo lweprimiyamu phantsi komjikelo wokufudumeza okuphindiweyo kunye nokupholisa.
1.2 Ukuzinza kweThermal kunye nokuThuthukiswa koBushushu
Phakathi kolona ncedo lubalulekileyo lwe-alumina ceramic kwizicelo zokubhaka lukhuseleko lwayo olungaqhelekanga lobushushu..
I-alumina igcina uzinzo lwezakhiwo malunga 1700 °C, Ugqithile kakuhle kuluhlu olusebenzayo lwezitovu zosapho (ngokuqhelekileyo 200– 260 °C), ukuqinisekisa ukuqina okungapheliyo kunye nokhuseleko kunye nokhuseleko.
I-coefficient yokwandisa i-thermal (~ 8 × 10 ⁻⁶/ K) uphakathi, ukuvumela imveliso ukuba imelane notshintsho olukhawulezayo lweqondo lobushushu ngaphandle kokwaphuka, i-thermal gradients ebonelelweyo ayigqithisi.
Xa ifudumeza kancinane, iiresiphi ze-alumina zimelana nokothuka kwe-thermal ngokufanelekileyo, Imfuno ebalulekileyo yokutshintsha ukusuka efrijini ukuya kwi-oveni okanye ngenye indlela.
Ukwengeza, I-alumina inomgangatho ophezulu wokuqhuba we-thermal kwi-ceramic– malunga nama-20– 30 W/(m · K)– evumela ujikelezo olufudumeleyo olufana ngakumbi kwisidlo xa kuthelekiswa neeporcelains eziqhelekileyo (5– 10 W/(m · K) )okanye iglasi (~ 1 W/(m · K)).
Le conductivity iphuculweyo kunciphisa iindawo ezishushu kwaye ikhuthaza nokuba browning nokupheka, ukunyusa umgangatho wokutya kunye nokungaguquguquki.
Isixhobo sikwabonisa ukukhutshwa kwamanzi okungaqhelekanga, ngokufanelekileyo ukukhupha ubushushu kwindawo yokutya, eyongeza kwiimpendulo ezikhethwayo ze-Maillard kunye nokwakheka kwe-crust kwimpahla ebhakiweyo.
2. UCongo lweMveliso kunye noLawulo loMgangatho
2.1 UbuChwephesha bokuCwangcisa kunye neeNdlela zokuSebenza
( I-Alumina Ceramic Baking Dish)
Ukuveliswa kwezidlo zokupheka kwe-alumina ceramic kuqala ngokulungiswa kwe-homogeneous slurry okanye umxube we powder, ngokuqhelekileyo yenziwe nge-alumina e-calcined, izibophelelo, kunye neeplasticizers ukuqinisekisa ukusebenza.
Iindlela zesiqhelo zokubumba ziquka ukutyibilika kosasazo, apho udaka lugalelwa kanye kwi-porous plaster mold kunye nokungunda, kunye nokutyhala i-uniaxial okanye isostatic, edibanisa umgubo ngqo kwimizimba eco-friendly kunye neefom ezichaziweyo.
Ezi ntlobo zilungele imeko-bume ziye zomiswe ukuze zisuse ubumanzi kwaye zibotshwe ngobunono ukuze zisuse izongezo zendalo ngaphambi kokungena kwisifudumezisi esitshisayo..
I-Sintering lelinye lawona manqanaba abalulekileyo, apho amasuntswana adityaniswa ngendlela yokusasazwa, kuzisa ukuncipha okukhulu (15– 25%) kunye nokupheliswa kwe pore.
Ulawulo oluchanekileyo lobushushu, ixesha, kunye neatmospheric qinisekisa uxinaniso olupheleleyo kwaye unqanda ukujija okanye ukuqhekeka.
Abanye ababoneleli basebenzisa iindlela zokuntywila ezincedwa luxinzelelo ezinje ngokucinezela ngokufudumeleyo ukuze bafezekise ukuxinana kwethiyori kunye neepropathi zokuhlala ezinomatshini., nangona oku konyusa ixabiso lemveliso.
2.2 UkuQeda komphezulu kunye noKhuseleko kunye neSiqinisekiso soKhuseleko
Emva kokucula, Iiresiphi ze-alumina zinokuhamba ngokusila okanye ukuqaqamba ukuze zifumane amacala agudileyo kunye nemilinganiselo engaguqukiyo, ingakumbi kwiziciko ezichanekileyo okanye i-cookware eyimodyuli.
Ukukhenkceza ngokuqhelekileyo akufuneki ngenxa yobunzima obusisiseko kunye nokungangeni kweekhemikhali zezinto, ukanti ezinye izinto ziquka ukuhombisa okanye ukugqibezela okuluncedo ukonyusa inkangeleko okanye ukusebenza okungabambekiyo.
Ezi zigqubuthelo kufuneka zisebenze ngokusetyenziswa kobushushu obuphezulu kwaye zingabinalothe, ikhadmium, okanye eminye imiba eyingozi elawulwa ziimfuno zokhuseleko lokutya ezifana ne-FDA 21 CFR, Umgaqo-nkqubo we-EU (EC) Hayi 1935/2004, kunye neLFGB.
Uqinisekiso lomgangatho ongqongqo lubandakanya ukujongwa ukuxhathisa ukothuka kwe-thermal (umz., ukukhulula kwi 250 °C ukuya 20 ° C amanzi), ukuqina koomatshini, ukuvuza, kunye nokuzinza komda.
Uvavanyo lweMicrostructural kusetyenziswa i-electron microscopy yokuskena (YILUPHI) iqinisekisa ukufana kobungakanani kunye nokunqongophala kokungafezeki okubalulekileyo, ngelixa i-X-ray diffraction (XRD) iqinisekisa ukucoceka kwesigaba kunye nokungabikho kwezigaba ze-crystalline ezingafunekiyo.
Ukulandelelwa kwebhetshi kunye namaxwebhu okuthotyelwa enza ukhuseleko lwabathengi oluthile kunye nokubambelela kumthetho kwiimarike zehlabathi.
3. Izinto eziluncedo eziSebenzayo kwizicelo zeCulinary
3.1 Ukunganyanzeli kweMichiza kunye noKhuseleko lokutya
I-alumina ceramic i-inert yekhemikhali phantsi kweengxaki eziqhelekileyo zokulungiselela ukutya, ebonisa ukuba ayisebenzi ngeasidi (umz., iitumato, isitrasi), ialkaline, okanye ukutya okunetyuwa, ukugcina incasa uzinzo kunye nokuyeka ion ion seeping.
Le inertness idlula ezo zezixhobo zokupheka zentsimbi, ezinokuthi ziguge okanye zibangele iimpendulo ezingafunekiyo, kunye neeporcelains ezikhazimlisiweyo, apho ukutya okuneasidi kunokukhupha iintsimbi ezinkulu ukusuka kwiglaze.
Ummandla ongeyena-porous uphephe ukufunxwa kweoyile, iziqholo, okanye ii-pigments, ukususa ugqithiso lwencasa phakathi kweeresiphi kunye nokunciphisa ukugcinwa kwe-microbial.
Ngoko ke, izitya zokupheka ze-alumina zifanelekile ukulungiselela iiresiphi ezithambileyo ezifana ne-custards, ukutya kwaselwandle, kunye neesosi eziethe-ethe apho ungcoliseko kufuneka luthintelwe.
I-biocompatibility yabo kunye nokuchasana ne-microbial bond ibenza ukuba bafanelekele izicelo zonyango kunye nophando lwelabhoratri, beqaqambisa iakhawunti yabo yokhuseleko nokhuseleko.
3.2 Ukusebenza kwamandla kunye nokuSebenza kokuLungisa ukutya
Ngenxa ye-conductivity ephezulu ye-thermal kunye nekhono lokufudumala, i-alumina ceramic ishushu ngakumbi ngokulinganayo kwaye igcina ubushushu ixesha elide kune-bakeware eqhelekileyo.
Le inertia eshushu ivumela ukulungiswa kokutya rhoqo emva kokuvula umnyango wesitovu kwaye yenza kube lula ukulungiselela ukutya emva kokususwa ebushushwini., ukunciphisa ukusetyenziswa kwamandla.
Ukutya okufana nezitya ezigqunyiweyo, iigratins, kunye nemifuno ebhakiweyo ithatha ithuba lokubeka ukushisa okukhazimulayo, ukufikelela ngaphandle okucocekileyo kunye nangaphakathi okufumileyo.
Ukwengeza, ukukwazi kwemveliso ukubaleka ngokukhuselekileyo kwi microwave, i-oveni yemveli, igridle, kunye ne-atmospheres yesikhenkcezisi inika ukuguquguquka okungalinganiyo kwiindawo zokupheka zanamhlanje.
Ngokungafaniyo neepani zentsimbi, I-alumina ayibonisi ii-microwaves okanye i-arcing ibangele, ukuyenza i-microwave-ikhuselekile ngaphandle kwesithintelo.
Umxube wobomi obude, ukuhambelana kokusingqongileyo okuninzi, kunye nokupheka ukuchaneka kwezicwangciso ze-alumina ceramic njengokhetho lweendleko kwiingcali kunye nabapheki basekhaya ngokufanayo.
4. Uzinzo kunye nokuqhubela phambili kwekamva
4.1 Impembelelo yezendalo kunye noVavanyo loMjikelo woBomi
Izitya zokubhaka ze-alumina ceramic zibonelela ngeenzuzo ezinkulu zokusingqongileyo ngaphezu kokhetho olulahlwayo okanye lwexeshana.
Ngobude bobomi obungaphaya kweminyaka phantsi konyango olululo, banciphisa imfuno yokutshintsha rhoqo kwaye banciphise ukuveliswa kwenkunkuma.
Imathiriyeli ekrwada– ialumina– ivela kwi-bauxite, iminerali eninzi, kunye nenkqubo yokuvelisa, ngelixa amandla-amandla, inzuzo ekusetyenzisweni kwakhona kwezinto ezilahliweyo kunye nezinto ezingacaciswanga kwiibhetshi ezilandelayo.
Iimveliso zokuphela kobomi zi-inert kwaye zikhuselekile, ukubeka akukho ngozi yokuvuza kwiindawo zokulahla inkunkuma, nangona ukusetyenziswa kwakhona kwentengiso kwiimveliso ezizichasayo okanye udityaniso lolwakhiwo lusenziwa ngokwandayo.
Ukomelela kwabo kugcina uyilo loqoqosho olujikelezayo, apho ubomi obude bemveliso kunye nokusetyenziswa kwakhona kugxininiswe kwizinto ezilahlwayo ezisetyenziswa kanye.
4.2 Itekhnoloji kuYilo kunye noKusetyenzwa kakuhle
Ukukhula kwexesha elizayo kubandakanya ukudityaniswa kokugqitywa okusebenzayo okufana nokuzicoca i-photocatalytic TiO ₂ umaleko okanye imiphezulu ye-SiC-doped engabambekiyo ukukhulisa ukusebenziseka..
Iikhompawundi ze-ceramic-metal ezixutyiweyo ziyajongwa ukuze zidibanise ukuphendula ngokushushu kwentsimbi kunye nokungangeni kwe-alumina..
Iindlela zobuchule zemveliso ezongezelelweyo zinokwenza ukuba kube nokwenzeka kumntu ngamnye, I-bakeware ye-topology-optimised kunye nesikhokelo sobushushu sangaphakathi solawulo oluphezulu lwe-thermal.
Iiporcelains ezihlakaniphile ezineeyunithi zokuva ubushushu obungaphakathi okanye iithegi zeRFID zokusetyenziswa komkhondo kunye nokugcinwa ziselundini., ukudibanisa inzululwazi yemveliso kunye neendawo zokuhlala zasekhitshini zedijithali.
Kushwankathelo, izitya zokubhaka ze-alumina ceramic zimele ukuhlangana kobunjineli beemveliso eziphambili kunye nophando olusebenzayo lwesayensi yokupheka.
I-thermal yabo ephawulekayo, oomatshini, kunye neempawu zeekhemikhali zibenza ukuba ingabizizixhobo zasekhitshini ezomeleleyo kuphela kodwa ngokunjalo zigcineke, ikhuselekile, kunye neenkonzo ezikumgangatho ophezulu ukulungiselela ukutya kwangoku.
5. Umthengisi
I-Alumina Technology Co., Ltd igxile kuphando kunye nophuhliso, ukuveliswa kunye nokuthengiswa kwe-aluminium oxide powder, iimveliso ze-aluminium oxide, i-aluminium oxide crucible, njl., ukusebenzela i-elektroniki, iiseramikhi, Iikhemikhali kunye namanye amashishini. Ukususela ekusekweni kwayo kwi 2005, inkampani izibophelele ekuboneleleni abathengi ngezona mveliso kunye neenkonzo ezingcono. Ukuba ujonge umgangatho ophezulu i-alumina oxide, nceda uzive ukhululekile ukuqhagamshelana nathi.
Iithegi: I-Alumina Ceramic Baking Dish, IiCeramics zeAlumina, ialumina
Onke amanqaku kunye nemifanekiso avela kwi-Intanethi. Ukuba kukho nayiphi na imiba ye-copyright, nceda uqhagamshelane nathi ngexesha lokucima.
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