Covalently bonded silicon nitride ceramics achieve room temperature plastic deformation for the first time by a research team at Tsinghua University's School of Materials
陶瓷是我国的重大发明,是中华文明的重要载体。先进陶瓷材料因具有耐高温、耐腐蚀、强度高、密度低等优异性能而备受关注,并成为许多高新技术领域发展的关键材料。自上世纪六十年代末开始,陶瓷发动机就因具有重量轻…