Iav dawbcov tshuaj yej ntimPuas yog 5,000-xyoo-laus Suav kab lis kev cai, thiab ceramics yog lo lus dav dav rau cov lauj kaub thiab cov porcelain. Tib neeg tau tsim cov tais diav ntim ua kom muaj hnub nyoog thaum ntxov Neolithic hnub nyoog, txog 8000 BC. Cov khoom siv tej hub feem ntau yog oxides, Nitrides, tuam tsev thiab carbides. Cov ntaub ntawv sib cog lus sib txuas lus yog av nplaum, alumina, kaolin thiab lwm yam. Cov khoom siv tej hub feem ntau muaj ntau dua hardness, tab sis kev tsis zoo. Ntxiv rau kev siv cov tableware thiab kho kom zoo nkauj, nws tseem ua lub luag haujlwm tseem ceeb hauv kev txhim kho kev tshawb fawb thiab thev naus laus zis. Cov khoom siv raw ntawm ceramics yog tau los ntawm quenching lub ntiaj teb tus thawj loj peev txheej av nplaum. Qhov av nplaum yog tawv, nws tuaj yeem yog pwm thaum nws tau carved thaum nws tau qhuav me ntsis, thiab nws tuaj yeem ua rau hauv av thaum nws qhuav tag; Nws tuaj yeem ua rau hauv cov lauj kaub qub thaum nws raug rho tawm mus rau 700 degrees, thiab nws tuaj yeem ntim nrog dej; corrosion. Qhov hloov tau yooj yim ntawm nws cov kev siv muaj ntau qhov kev muaj tswv yim hauv hnub no cov kab lis kev cai thiab thev naus laus zis.
Los tuav cov tshuaj yej nplooj: tshuaj yej ntsuab, tshuaj yej dub, tshuaj yej pob zeb, cov khoom noj dub, cov qe dej dub, dej qab zib, thiab lwm yam tom qab tustshuaj yejtauYog siv, nws tuaj yeem siv rau cog paj, rau kev cia hauv tsev, cov hmoov coarse, thiab ua kom zoo nkauj.
Lub sij hawm Post: Feb-22-2023