Study on microstructure and properties of closed-die cold forging of bevel gear used in case of automobile differential;
借助现代冶金分析技术对闭塞冷锻行星齿轮的晶粒尺寸、硬度变化和残余应力分布规律进行了研究。
Study indicated that oxygen deposition pressure exerts a strong impact on the microstructure and the dielectric properties of the films.
采用不同的沉积氧气压，分析了其对薄膜微观结构和介电性能的影响。
The study on preparation process, microstructure, strengthening and toughening mechanisms of MGC mainly containing Ca-mica were investigated, together with mechanical properties and machinability.
本研究对以钙云母为主相的可切削微晶玻璃的制备工艺、结构特点、增强增韧机理及力学性能等进行了初步的研究。
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