Reading Assignment 1

Bin Zhu 8/27

The more improve the science, the more scope the ceramic made. We can study the culture and history from ceramic because its materials was special and easy store. But the ceramic that we made how is not tough and tensile than old one. I think anything will lost its artistic sense if it is depend on science. The science was help people made a better ceramic, but it is make people give up the idea and sprit at the same time. As long as the earth exists, say is being formed. The different among says are cause by the original geological process and the position of the deposit, day have a very good plasticity. It is can be any shape and size after mixed water. And the clay can be fixed geometry after firing. Kaolin Clays are found on the exact spot. This kind of clay are fire whitest and least plastic. Ball clays always gray or brown. It has highly plastic and the highest shrinkage. It’s less rare than China Clay. Stoneware clays are used for nature clay and very rare. Fires clays have a variety of colors. It’s found in mountains and deserts. Common surface clays are found everywhere. After fired, the clay work is classified into three categories: earthenware, stoneware and porcelain. Earthenware has 10 to 15 percent absorption after firing. It is colorful and has pattern. Stoneware has 2 to 5 percent absorption after firing. It is has a certain stone-like to its weight and density. The stoneware is same colored. It is more simple then earthenware. Porcelain has o0 to 1 percent absorption. The porcelain is always white and it is very slick, in my country, the earthenware and stoneware are usually be household utensils in people life. The porcelain is usually viewed and admired by people.