Abstract On the morning of June 26th, Prof. Li Ying, the deputy dean of the School of Materials Science and Engineering, gave a special lecture on the theme of “China's superhard materials development for 50 years†in the classroom of 31626. The 13th grade students listened carefully to the lectures. In the lecture, Li Ying first analyzed the superhard materials industry...
On the morning of June 26th, Prof. Li Ying, the deputy dean of the School of Materials Science and Engineering, gave a special lecture on the theme of “50 years of development of China's superhard materials†in the classroom of 31626. The 13th grade students listened carefully to the lectures. In the lecture, Li Ying first analyzed the development of the superhard materials industry in various stages over the past 50 years. Then he explained in detail the shape, use and synthetic methods of superhard materials-diamond. She said that natural diamonds have been people's jewelry since ancient times. Now with the development of science and technology, the demand for diamond is getting bigger and bigger, the technology of synthetic diamond is getting better and better, and the diamonds with different shapes have their own uses, such as the difference between the diamond used for manufacturing saw blades and the diamond for resin grinding wheels. Wait. Subsequently, she analyzed the different states of synthetic diamond and different conditions of synthetic diamond under different conditions of vacuum high temperature, high temperature and high pressure, and ultra high temperature and high pressure. She pointed out that the production of synthetic diamonds has grown rapidly in recent years. Among them, China's synthetic diamond production accounts for 90% of the world's total output, and the quality of high-grade diamonds has reached the world's advanced level.
During the lecture, Professor Li Ying and the students present at the time interacted with the relevant knowledge about diamonds, which caused a heated discussion among the students. The launch of this lecture has deepened the understanding of the 13-level students on the super-hard materials industry, enhanced everyone's interest in professional learning, and effectively paved the way for the students to stabilize their professional knowledge in the future. (School of Materials Science and Engineering, Wang Fengyun Dou Wenxiang)
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