The bronze sculpture had been gradually replaced by iron wares

More simply Bronze mainly refers to the pre-Qin period artifacts made of tin with copper, including tools, utensils, ritual vessels, weapons, accessories, etc. Archaeological bronzes are specific to the pre-Qin era copper-based texture, add a small amount of tin, lead casting, the surface was green or blue gray objects. Nature is our human existence and life of the material treasure. The last period of the bronze sculpture means the time between the Warring States and Qin and Han Dynasty. All along, there is a lot of copper ore in nature. Malachite is one of the more common form, the color was emerald green, peacock feathers as a result of the above named malachite pattern. From very early on, it is very popular this ore, it made necklaces and other ornaments to collect.
In later use, it has inadvertently found out in the malachite if burning charcoal melted in high temperature copper liquid cooling and solidification can be freely shaped. This phenomenon in everyday life I do not know how many times repeated, beginning and did not attract attention. Finally, to the late Neolithic Age, it was discovered and mastered the use of malachite plus charcoal to smelt and cast copper technology. The bronze sculpture had been gradually replaced by iron wares. Since then, the red bronze in popularity, the earliest human bronze resulting. Therefore, this era also known as the Copper Age or Chalcolithic era. Currently, the world's earliest discovered made of bronze with copper, is found in southern Turkey, produced thousands of years BC seventy-eight copper needle and copper cone.
And according to archaeological evidence, Egypt is also BC 3500 - 3100 years before the culture period Geer Se smelting of copper with knives, daggers, axes and so on. China's first bronze was unearthed in Shanxi Xiangfen Temple Longshan culture site of tombs were excavated, about BC 2085 smelting red bells. The zenith of the bronze statue of China consists of Xia, Shang and Western Zhou Dynasty, Spring and Autumn. Then copper and bronze are not the same as what is it? In general, the copper hardness is low, not suitable for production of production tools, the role of the production is not. Later, people in long-term production practice and found a tin ore, and learn to use it to add charcoal smelting of tin. On this basis, it further increases the invention of tin with copper smelting into bronze alloy technology, and recognize the bronze copper greater than the advantages.
Bronze is copper alloy and other chemical elements with low melting point, hardness, chemical stability characteristics. For example: copper and lead alloy for lead-bronze, an alloy of copper and tin bronze, there are other tin bronze, nickel bronze, phosphor bronze, and so on. Bronze superiority is reflected in the hardness on. For the copper hardness Brinell hardness of 35 degrees. If the tin in it plus 5%, the hardness will increase to 68 degrees; plus 10% of tin, which increased to 88 degrees. And by hammering, it's hardness can be further improved. The china bronze sculpture are generally the sacrificial bronze sculpture, musical instrument, weapons and miscellaneous.
For example: Add 20% tin bronze, the hammer hardness can be increased to 228 degrees. Second, the bronze has good mobility solution, casting solidification shrinkage is small. Therefore, the bronze to cast out the blade sharp, chiseled, fine pattern artifacts. Ancient Chinese bronze sculpture manifests the wonderful and excellent talent of creativity of the ancient craftsman. Third, the bronze of the chemical stability, corrosion resistance, long-term use and preservation. Fourth, the lower the melting point of bronze alloy, bronze damage can also be recycled again after casting.