Cov txheej txheem xim ntawm porcelain tableware

Ceramic tableware muaj ntau cov duab thiab cov yeeb yuj xim. "Glaze", uas yog ib qho tseem ceeb ntawm cov plooj (porcelain), yog ib txheej nyias ntawm iav txuas rau lub cev ceramic. Cov txheej txheem xim tuaj yeem muab faib ua peb hom: xim overglaze, xim underglaze, thiab xim underglaze.
① Overglaze xim
Overglaze xim yog ib qho ntawm cov txheej txheem kho kom zoo nkauj ntawm ceramics, uas tshwm sim hauv Song thiab Jin dynasties thiab matured nyob rau hauv Ming dynasty. Kos ntau yam qauv ntawm qhov chaw ntawm hluav taws kub dawb glazed porcelain los yog monochromatic porcelain glaze siv cov ntaub ntawv, thiab tom qab ntawd solidify lawv ntawm qhov kub thiab txias (600-900 degree) tom qab theem nrab nkag mus rau hauv cellar. Muaj ntau hom plooj (porcelain) ntau yam nrog rau ib qho glazed, tsib glazed, thiab ua ke ntawm underglaze xiav thiab dawb thiab overglaze xim, xws li doucai, enamel xim, thiab hmoov xim.
Qhov zoo: Nws cov dyes tau siv dav, cov xim glaze yog ci, ntau yam nplua nuj, tus nqi tsis kim, thiab tus nqi kos duab muaj zog.
Disadvantages: txhais tes xav tsis zoo txaus, thiab tus qauv xav tias tsa thaum kov. Vim yog cov xim pleev xim rau ntawm glaze, nws yog ib qho yooj yim rau hnav thiab tsim kua muag, thiab muaj kev cuam tshuam rau corrosion xws li acid thiab alkali.
② Cov xim muaj xim
Underglaze xim tau tshwm sim thaum ntxov, yos rov qab mus rau Peb Lub Nceeg Vaj lub sijhawm, thiab tau nrov nrov hauv Tang Dynasty underglaze kho kom zoo nkauj. Underglaze xim yog ib hom khoom siv kho kom zoo nkauj siv los kos ntau yam qauv ntawm ib qho kev tsim thiab qhuav dawb paug, ces npog nrog pob tshab glaze los yog lwm yam nto glaze, thiab raug rho tawm haujlwm hauv qhov cub kub (1200-1400 degree ). Cov qauv ntawm cov khoom tiav yog them los ntawm lub pob tshab glaze zaj duab xis nyob rau hauv qab, nrog ib tug kaj thiab du nto uas yog crystal ntshiab thiab translucent. Feem ntau pom xiav thiab dawb plooj (porcelain), underglaze liab plooj (porcelain), underglaze tricolor porcelain, underglaze tsib xim plooj (porcelain), thiab lwm yam yog tag nrho cov xim underglaze.
Qhov zoo: Cov xim zoo khaws cia, tsis tshua muaj kev cuam tshuam ntawm cov qauv, tsis muaj teeb meem rau tib neeg lub cev, thiab kav ntev.
Qhov tsis zoo: Cov kev xav tau siab rau cov xim xim, tsawg hom xim piv rau cov xim glaze, thiab cov nqi pheej yig.