稀世精品“汉代象形文青铜镜”

    两汉时期包括西汉、新莽、东汉，是中国统一多民族封建国家的强盛时期，经济和文化都达到了前所未有的高度，各个方面都为汉民族文化的形成奠定了基础。当时陶瓷业的进步和漆器的发展，虽然代替了青铜器皿在人们日常生活中的地位，但制铜工艺并没有衰退，而是转向了制造铜镜等方面。因此，两汉时期铜镜的铸制业获得了重大发展，出现了新的高潮。

　　(The Han dynasty, including the western Han dynasty, xinmang and the eastern Han dynasty, was a strong period for China to unify a multi-ethnic feudal country. both economy and culture reached unprecedented heights. all aspects laid the foundation for the formation of Han nationality culture. At that time, the progress of the ceramic industry and the development of lacquer ware, although replacing the position of bronze ware in people's daily life, did not decline in the process of making copper, but turned to making bronze mirrors and other aspects. Therefore, during the Han dynasty, the casting industry of bronze mirrors achieved great development and a new climax appeared.)

汉代象形文青铜镜

　　两汉时期铜镜的合金比例是比较稳定的，铜的含量为79~85%，锡10%～13%，铅2%～5%。由于汉镜含锡量高，有利于镜表面的抛光。铜镜中加人一定量的铅，是因为铅溶液环流状态良好，有利于热溶液的平均流注，有助于镜面干整，减少气泡，提高铸造文字和花纹的清晰度。