百科详情

为增加陶器的美观，在陶器未烧之前，把粒度较细的陶土或瓷土，用水调和制成泥浆，然后施加在陶器或瓷器的胎面上，烧好之后器皿表面就附着一层薄薄的色浆，一般呈红、棕、白等颜色，这种色浆，在陶瓷工艺技术上叫做“化妆土”，又叫陶衣、装饰土、 护胎釉.颜色的不同，主要取决于化妆土的成份，如含有较多 氧化铁的呈红色，配入一种熔剂的瓷土则呈白色.施化妆土的彩陶通常出现在仰韶文化，施加化妆土的目的大体有三种：美化胎面，使其光洁美观，起装饰作用；避免 坯胎大量吸收釉水和烧裂；填补坯胎气孔.至于有的 新石器时期的灰胎红陶、红胎黑陶或灰胎黑陶，是由于烧制过程中氧化和还原气氛间的变化或由于渗碳作用而形成的，则不属于用化妆土之例. To increase the beauty of pottery in the pottery does not burn before the smaller the particle size of clay or porcelain clay, water is made to reconcile the mud, and then applied to the tread on the pottery or porcelain, burned after the vessel attached to a thin layer on the surface of The color paste is generally represented by red, brown, white and other colors, such a paste, the ceramic technology is technically called "make-up" the soil is called pottery, clothing, decorative soil, protect the glaze. different colors, depending on make-up soil components, which contain more iron oxide red, with a flux into the clay is white. Shi makeup of soil pottery often appears in Yangshao culture, applied make-up of soil there are three general purposes: beautification of tread, so that its smooth appearance, from decorative effect; to avoid the blank tire to absorb glaze of water and the burning of a large number of crack; to fill the blanks tire pores. As to the Neolithic period, some gray tire terra-cotta, red, or gray tire tire black pottery and black pottery firing process due to oxidation of and restore the atmosphere between the role of change or because of the formation of cementite, and do not fall into the territory of cases with the make-up.