Alumina Zirconia e kopantsoeng,Az-25,Az-40

zirconia alumina
Zirconia-corundum
ZA

Tlhaloso e Khutšoane

Fused Alumina-Zirconia e hlahisoa ka seboping sa mocheso o phahameng oa motlakase ka ho kopanya lehlabathe la zirconium quartz le alumina.E khetholloa ke mohaho o thata le o teteaneng, boima bo phahameng, botsitso bo botle ba mocheso.E loketse ho etsa mabili a maholo a ho sila bakeng sa boemo ba tšepe le ho phunya, lisebelisoa tse koahetsoeng le ho phatloha ha majoe, joalo-joalo.

E boetse e sebelisoa e le tlatsetso ho Continuous casting refractories.Ka lebaka la boima ba eona bo phahameng e sebelisoa ho fana ka matla a Mechanical ho li-refractories tsena.

TS'ELISO HONA

Litlhaloso

BBrand Spec	AZ-25 Index	AZ-25 Boleng bo Tlwaelehileng	AZ-40 Index	AZ-40 Boleng bo Tlwaelehileng
ZrO₂	23%-27%	24%	38%-42%	39%
Al₂O₃	72% mets	74%	56%-60%	59%
SiO₂	0.8% boholo	0.5%	0.60% boholo	0.4%
Fe₂O₃	0.3% boholo	0.2%	0.3% boholo	0.15%
TiO₂	0.8% boholo	0.7%	0.50% boholo	0.5%
CaO	0.15% boholo	0.14%	0.15% boholo	0.12%
Boima ba 'nete (g/cm³)	4.2 mets	4.23	4.6 mets	4.65
Mmala	Boputsoa kapa Botho bo bocha		Boputsoa kapa Botho bo bocha

Ts'ebetso ea Tlhahiso le Ts'ebeliso

E boetse e sebelisoa e le tlatsetso ho Continuous casting refractories.Ka lebaka la boima ba eona bo phahameng e sebelisoa ho fana ka matla a Mechanical ho li-refractories tsena.

Yttria-Tetragonal Zirconia Polycrystals (Y-TZP) le Alumina (Al2O3) li hohetse tlhokomelo e kholo bakeng sa theknoloji ea ho kenya thepa ka lebaka la motsoako oa tsona o babatsehang oa thepa, joalo ka ho thatafala ho phahameng, ho thatafala ha fracture, le matla a phahameng le ho satalla, Litšobotsi tsena li li entse. lisebelisoa tse khahlehang bakeng sa mefuta e mengata e fapaneng ea lits'ebetso tse koahelang mefuta ea bongaka moo li neng li sebelisoa khafetsa lits'ebetsong tsa meno joalo ka li-abutments tsa maiketsetso, marokho, likoti tsa metso le moqhaka oa ceramic.Ntle le moo, li boetse li sebelisoa lits'ebetsong tse fapaneng tsa boenjiniere ho kenyelletsa li-sensor tsa oksijene, li-barriers barriers, lisebelisoa tsa ho itšeha, lihokelo tsa fiber optical le lisele tse matla tsa oxide.Ho bohlokoa ho elelloa hore ntlafatso ea thepa ea mochini ea Y-TZP e amahanngoa le boholo ba eona ba lijo-thollo tse nang le phetoho ea karolo ea tetragonal ho ea ho monoclinic.Phetoho ea mokhahlelo ona e tsamaisana le keketseho ea molumo oa hoo e ka bang 3–5% e bakang ho thibela ho ata ha crack, kahoo e matlafatsa boima ba thepa.Leha ho le joalo, ke habohlokoa ho hlokomela hore phetoho ena e ka boela ea etsahala ka boithatelo tlas'a maemo a itseng.Haeba zirconia e pepesehetse mocheso o tlase sebakeng se mongobo se pakeng tsa 100 ℃ le 300 ℃, e leng se ka lebisang ho senyeha ha zirconia, ho bakang ho hlaba le ho senya microcracking.Ketsahalo ena e tsejoa e le botsofali ba hydrothermal kapa Low-Temperature Degradation (LTD) 'me e khethiloe e le ntho e tlatsetsang ho fokotseng ts'ebetso ea likarolo tsa zirconia lits'ebetsong tsa masapo.

Bafuputsi ba thehile lihlopha tse 'maloa tseo alumina e kenyelletsoeng ho tsona mohahong oa zirconia.Sepheo sa kenyelletso ena ke ho matlafatsa khanyetso ea LTD le ho phahamisa litšobotsi tse ikhethang tsa li-ceramics tsena ho ntlafatsa thepa ea mochine oa tetragonal zirconia matrix Ka lehlakoreng le leng, ho ba teng ha alumina ka matrix ho phetha karolo ea bohlokoa ho theheng mohaho o thata o thusang ho thibela likaroloana tsa zirconia.Nakong ea ts'ebetso ea ho pholisa ho tloha mocheso oa sintering, lithollo tsa tetragonal zirconia li ka ba le phetoho ea mohato ho tloha karolong ea tetragonal ho ea karolong ea monoclinic.Tabeng ena, alumina e sebeletsa ho boloka lijo-thollo tsa zirconia ka boemo bo tsitsitseng, ho thibela phetoho e feletseng ho mohato oa monoclinic.Ts'ireletso ena ea karolo ea tetragonal e tlatsetsa ntlafatsong e hlokometsoeng ea ho thatafala ha thepa ea ceramic