Dawb-glazed porcelain yog, nws, los ntawm lub sij hawm ntawm Sui Dynasty, nws twb matured. Nyob rau hauv lub Tang Dynasty, dawb glazed porcelain muaj ib tug tshiab txoj kev loj hlob, thiab lub whiteness ntawm porcelain kuj mus txog ntau tshaj 70%, nyob ze rau tus qauv ntawm niaj hnub high-grade zoo porcelain, uas nteg lub hauv paus ruaj khov rau underglaze thiab overglaze porcelain.
Nyob rau hauv lub Song Dynasty, porcelain craftsmen ua tshiab kev txhim kho nyob rau hauv cov nqe lus ntawm log tsheb zoo, glaze thiab ntau lawm technology, thiab cov plooj (porcelain firing technology) mus txog rau tag nrho cov maturity. Lub xiav thiab dawb glazed porcelain raug rho tawm haujlwm nyob rau lub sijhawm no yog dawb tab sis tsis ci, ci grey hauv cov xim dawb, lub teeb thiab elegant, thiab zoo nkauj hauv cov duab. Thaum lub sij hawm Ming thiab Qing dynasties, Dehua kiln raug rho tawm haujlwm "ntsiav tshuaj dawb" nrog cov xim ci, thiab Yongle kiln raug rho tawm haujlwm "qab zib dawb glaze" nrog glaze sov li jade, uas yog tag nrho cov khoom zoo nyob rau hauv dawb-glazed porcelain.
Yog tias cov plooj (porcelain) tsis raug tswj xyuas kom zoo, nws yuav raug mob hnyav, uas tsis yog qhov tsim nyog rau kev sau cov plooj (porcelain) mus ntev, tshwj xeeb tshaj yog cov khoom zoo uas tau muab tso rau hauv thiab muab pov tseg, thiab yuav tsum tau ua tib zoo saib xyuas. Kev saib xyuas ntawm cov plooj (porcelain) yuav tsum ua raws li lub hauv paus ntsiab lus ntawm kev saib xyuas, kev saib xyuas, thiab tib lub sijhawm, kev saib xyuas ntawm cov plooj (porcelain) yuav tsum tsis txhob muaj ntau dhau kom tsis txhob muaj kev tiv thaiv kev puas tsuaj. Nov yog yuav ua li cas saib xyuas cov plooj (porcelain).
Ua ntej, cov plooj (porcelain) yog cov khoom tawg yooj yim, hauv kev khaws cia yuav tsum them sai sai rau kev poob siab, tiv thaiv extrusion, tiv thaiv kev sib tsoo. Thaum txaus siab rau kev sau, ceev faj tsis txhob sib tsoo lossis poob, thiab sim tsis txhob hws thiab kov nws. Nws yog qhov zoo tshaj plaws los hnav hnab looj tes thaum saib cov khoom sau, lub rooj yog cushioned nrog flannel, tsis txhob hla nws mus rau ib leeg thaum saib, ib tug neeg yuav tsum tau rov qab teem dua ntawm lub rooj zaum kawg ntawm kev saib, thiab lwm tus yuav tuav nws saib.
Qhov thib ob, lub raj mis, hub, Zun thiab lwm yam plooj (porcelain) feem ntau yog spliced ntawm qab mus rau sab saum toj, thiab lub caj dab sab sauv ntawm cov khoom tsis tuaj yeem nqa los ntawm tes thaum tsiv. Txoj kev raug yog tuav lub caj dab nrog ib txhais tes thiab hauv qab nrog rau lwm yam. Qee lub raj mis, hub, thiab cov mlom tau dai kom zoo nkauj nrog ob lub pob ntseg, thiab tsuas yog lub pob ntseg tuaj yeem nqa tsis tau thaum noj thiab muab tso kom tsis txhob tawg lossis puas. Cov khoom siv log tsheb nyias nyias, cov log tsheb nyias, lub teeb yuag, squeamish, ceev faj ntxiv thaum tsiv, qhov chaw, tuav hauv qab nrog ob txhais tes, tsis txhob siv ib txhais tes, tshwj xeeb tshaj yog cov fwj, hauv qab ko taw me me, lub cev loj dua, thiab yuav tsum tau cua tshuab los ntawm cua.
Qhov thib peb, tsuas yog yuav rov qab kub kub los yog cov plooj (porcelain), yuav tsum xub muab tso rau hauv dej huv rau l xuab moos, thiab tom qab ntawd ntxuav cov roj ntawm qhov chaw nrog xab npum, qhuav dej nrog phuam thiab muab tso rau hauv lub thawv, lub thawv yuav tsum tau ntim nrog npuas, thiab txoj kab uas hla tom qab ntxiv ua npuas ncauj yuav tsum tsis txhob ntau tshaj 0.5 cm ntawm kev sau thiab kev puas tsuaj ntawm lub thawv yuav tsum tsis txhob xoob ntawm lub sijhawm sib sau, cov khoom tsim nyog yuav tsum tsis txhob xoob. sau.
4. Unearthed low-temperature glaze thiab glaze xim. Ntau cov khib nyiab yuav nkag mus rau hauv glaze, thiab txawm tias qhov tshwm sim ntawm deglazing thiab xim poob, ib qho me me ntawm cov nplaum yuav tsum tau ntxiv ntawm glaze, thiab tom qab ntawd cov nplaum nplaum yuav tsum tau siv rau cov xim kom tsis txhob glaze poob rau hauv ib cheeb tsam loj. Yog hais tias nws yog faus nyob rau hauv av ntev ntev nyob rau hauv high-temperature glaze los yog underglaze xim, ntau cov calcium thiab siliceous tebchaw kuj tsim nyob rau saum npoo ntawm cov plooj (porcelain), uas yog, xeb. Nws tuaj yeem ntxuav tau ib zaug nrog dej huv, soaked hauv 3% hydrogen peroxide li ntawm 3 teev, thiab tom qab ntawd soaked hauv dej rau ntau tshaj 30 teev, thiab ntxuav nrog ib daim ntaub dawb huv, uas feem ntau tuaj yeem tshem tawm xeb. Yog tias nws tsis ua kom tag, koj tuaj yeem siv cov txhuam hniav kom siv cov acetic acid, txhuam ntawm cov xeb, thiab tom qab 5 teev, siv cov scalpel tshem tawm cov xeb, thiab cov hniav tuaj yeem txiav hauv ib qho kev taw qhia xwb. Tom qab feem ntau ntawm cov xeb raug tshem tawm, nws yog ntxuav nrog ib daim ntaub ntxuav dawb thiab tshuaj txhuam hniav kom txog rau thaum cov xeb tshem tawm tag nrho, txoj kev no tsuas yog tsim rau kub-kub glaze thiab underglaze xim.
5. Thaum ntxuav cov roj stains thiab lwm yam fouling, cov kev txawj thiab cov txheej txheem hauv qab no yuav tsum paub:
1 Cov stains dav dav tuaj yeem ntxuav nrog dej alkaline, tuaj yeem ntxuav nrog xab npum, ntxuav hmoov, thiab tom qab ntawd yaug nrog dej huv.
2. Ntxuav cov log tsheb nyias nyias hauv lub caij ntuj no, thiab tswj cov dej kub kom tiv thaiv kev hloov ntawm cov dej kub thiab txias los ntawm tawg cov plooj (porcelain).
3 xim plooj (porcelain), qee qhov vim yog xim ntawm cov khoom siv lead ua ntau, qhov tshwm sim ntawm cov hlau lead, tuaj yeem siv thawj zaug nrog paj rwb swab dipped nyob rau hauv dawb vinegar txhuam, thiab ces ntxuav nrog dej.
4 Yog hais tias lub plooj (porcelain) muaj qhov qhib los yog cov kab nrib pleb, cov stain yog ib qho yooj yim "dip" rau hauv nws, koj tuaj yeem siv cov txhuam hniav dipped hauv cov kua qaub rau txhuam. Txawm li cas los xij, txoj kev no tsis tuaj yeem siv rau cov khoom siv glaze, vim tias cov kua qaub thiab cov tshuaj alkaline yooj yim ua rau cov glaze puas. Yog tias nws yog xim kub-xim plooj (porcelain), tsis txhob siv lub tshuab ntxhua khaub ncaws rau kev tu, vim tias cov plua plav plua plav tuaj yeem ua rau cov kub kub ntawm cov plooj (porcelain) puas tau yooj yim. Precious porcelain yuav tsum tau muab khaws cia nrog cov thawv ntoo lossis lub thawv ntawm qhov loj me thiab cov galls txhawm rau khaws cov khoom.
