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- The recrystallization temperature of cold deformed steels and its influencing factors have been studied by measuring hardness values and structure observation. 通过测量硬度和观察组织,确定了几种冷变形钢的再结晶温度及其影响因素。
- Three kinds of techniques for improving the metal fatigue property in industry were introduced,including cold deform strengthening,laser surface treatment and ion implantation. 介绍和论述了冷变形、激光表面处理技术和离子注入三种工业上用于改善金属材料疲劳性能的强化方法。
- In this paper, the diffusion coefficients of the ~(14)C in austenite of armco iron specimens vari-ously cold deformed were investigated by using the radioisotope technique, and it was autora-diographed on the carburization surface layer. 采用放射性同位素技术测定了在渗~(14)C过程中~(14)C在不同量室温形变工业纯铁奥氏体中的扩散系数,并对渗层进行自射线照相。
- Riveting link is using the cold deformation capacity of the workpiece to perform pressworking on the workpiece, where the workpiece is locally deformed and linked together with other components. 铆压连接过程是利用工件本身的冷变形能力,对工件进行压力加工,使工件产生局部变形而将工件与另一部件连接在一起。
- The result shows that large quantity of Cr particles has precipitated after cold deformation and heat treatment. 结果表明,冷变形和退火处理促进了材料中铬粒子的析出;
- This strain of wheat can grow during a cold spring. 这种小麦可以在寒冷的春天生长。
- Compared with non-deformation steel,the fatigue stress of 1Cr18Ni9Ti austenitic stainless steel after 60% cold deformation is raised about 1.65 times. 经60%25变形后,钢的疲劳强度提高了65%25左右。
- The results show that cold deformation can largely raise the mechanical properties of the steel,especially the fatigue property. 结果表明,冷变形可提高钢的各种强度性能指标,尤其大大改善疲劳性能。
- It is found that after(60%)cold deformation and recrystallization annealing,the UT2 with fine, uniform and equiaxial grains is the best. 结果表明,变形率为60%25经再结晶退火后所形成的细小、均匀等轴晶粒的UT2超精切削后表面质量最好。
- The results indicated that the strength of alloy increases, the ductility decreases and the grains are refined as the cold deformation increases. 结果表明,随着冷变形量的增加,合金的强度提高、塑性下降、晶粒细化;
- This could be attributed to the formation of high-density dislocations and vacancies during cold deformation, which provided a high diffusion path of carbon atoms. 其原因是在冷变形过程中产生了高密度位错以及大量空位等缺陷,为碳原子的扩散提供了高速率扩散通道,促进了碳原子的扩散。
- The girl stood shivering with cold on the doorstep. 那姑娘站在门前的台阶上,冷得直打哆嗦。
- It is neither hot nor cold in winter here. 这里冬天既不热也不冷。
- She could only croak because of her heavy cold. 她因患重感冒只能用沙哑的声音说话。
- Hot and cold are contrary terms. 热与冷是相反的词语。
- She got cold feet when asked to recite in class. 当她被叫起来在班上背诵时害怕了。
- The girl's hands were chapped by the cold. 那个女孩的手因寒冷而冻裂。
- There is still no cure for the common cold. 目前仍没有治愈感冒的良药。
- It gets cold quickly when the sun goes down. 太阳下山后天气很快就会冷下来。
- The boy was enfeebled by the cold. 那个男孩因感冒而虚弱无力。
