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。
This paper intends to study the influence of rapid cooling time after rolling on the microstructure and mechanical properties of low-carbon steel.
本文研究了轧后快冷时间对控轧低碳钢板组织和力学性能的影响。
A study was carried out on the microstructure of interface and welding seam in dual-metal clad steel pipe. And its inferences on technological and service properties were studied.
通过金相分析、微区成份分析、宏观和微观断口分析，主要研究钎焊层和焊鏠区的微观结构及其对复合钢管工艺性能和使用性能的影响。
Study on the microstructure and properties of wool fibers under the high-temperature hydrothermal process;
提供了一种碱催化进样方式，利用裂解气相色谱对毛纤维进行鉴别的方法。
Study on the microstructure and properties of wool fibers under the high-temperature hydrothermal process;
提供了一种碱催化进样方式，利用裂解气相色谱对毛纤维进行鉴别的方法。
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