① Hydration ua ke
Los ntawm txoj kev hydration cov tshuaj tiv thaiv ntawm cov binder thiab dej nyob rau hauv chav tsev kub, hydration khoom yog generated los tsim ib tug binding nyhuv. Ntau hom cement tau ua ke los ntawm hydration mechanism los tsim lub zog hauv cov khoom.
② Kev sib xyaw tshuaj
Los ntawm kev siv tshuaj lom neeg cov tshuaj tiv thaiv ntawm cov ntawv khi thiab cov coagulant, los yog nruab nrab ntawm cov ntaub ntawv thiab cov khoom siv refractory nyob rau hauv chav tsev kub, los yog thaum rhuab, cov tshuaj tiv thaiv tshwm sim los tsim ib qho kev sib txuas nrog cov khoom sib khi, uas ua rau kev sib khi. Thaum sodium (dej iav) binder ntxiv nrog fluoride sodium coagulant, cov tshuaj tiv thaiv tshwm sim los tsim cov tshuaj aqueous SiO2: nH2O, uas yog lub cev qhuav dej los tsim ib lub network zoo li cov qauv ntawm siloxane (Si-}O-Si), yog li ua kom muaj zog binding nyhuv.
③ Condensation ua ke
Los ntawm kev ntxiv cov catalysts lossis crosslinking tus neeg sawv cev, lub binder undergoes condensation los tsim ib lub network zoo li cov qauv, ua rau muaj zog sib txuas. Nyob rau hauv cov cua kub cua sov, linear aldehyde resin thiab tetraamine undergo crosslinking cov tshuaj tiv thaiv los tsim condensation bonding.
④ Ceramic bonding (sintering bonding)
Ntxiv cov khoom siv ntxiv lossis cov hlau uas tuaj yeem txo qhov kub ntawm sintering rau cov ntaub ntawv refractory tuaj yeem txo qhov kub ntawm cov kua theem tshwm sim, txhawb cov khoom siv -kua cov tshuaj tiv thaiv ntawm qhov kub thiab txias, thiab ua kom tsawg - thiab nruab nrab kub sintering bonds.
⑤ Adhesive bonding
Los ntawm ib qho los yog kev sib xyaw ua ke ntawm cov kev ua hauv lub cev hauv qab no, kev sib khi tshwm sim: ua ntej, adsorption, nrog rau lub cev adsorption thiab tshuaj lom neeg adsorption, tso siab rau kev sib cuam tshuam ntawm lub cev xws li van der Waals rog los tsim kev khi; Qhov thib ob yog diffusion, uas yog hais txog kev sib nrig sib diffusion ntawm tus neeg sawv cev khi thiab khi cov molecules nyob rau hauv qhov kev txiav txim ntawm thermal motion ntawm cov khoom molecules, tsim ib tug diffusion txheej ntawm lub interface thiab yog li tsim ib tug muaj zog daim ntawv cog lus; Qhov thib peb yog electrostatic kev sib cuam tshuam, uas txhais tau hais tias muaj ob txheej txheej ntawm qhov sib txuas ntawm cov ntawv khi thiab cov khoom sib txuas, thiab kev sib txuas yog tsim los ntawm electrostatic attraction ntawm ob txheej.
⑥ Cohesive ua ke
Los ntawm kev ntxiv coagulants, particles (colloidal particles) tuaj yeem coagulate thiab tsim cov ntawv cog lus.
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