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人类在生活和生产中都离不开材料。随着文明的进化,人类使用的材料也越来越多。材料科学与材料工程是本世纪五十年代应运而兴的学科。总的说来,材料可以大别为四类,即:(1)金属材料;(2)无机非金属材料;(3)有机非金属材料(亦称聚合物或塑料);(4)复合材料。
Human beings can not do without material in their life and production. With the evolution of civilization, human use of more and more materials. Materials Science and Materials Engineering is the discipline that emerged in the 1950s. In general, the materials can be divided into four categories, namely: (1) metal materials; (2) inorganic non-metallic materials; (3) organic non-metallic materials .