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- cyclic cryogenic treatment 循环深冷处理
- The results show that the nitric martensite after cryogenic treatment has better wear resistance. 结果表明,含氮马氏体深冷处理后有更好的耐磨性能。
- From this result we can prove that cryogenic treatment has obvious effect on energy consumption in the comminution. 研究结果表明低温处理对于降低废旧线路板细碎过程中的能耗有显著的效果。
- The development,mechanism,research details and example of cryogenic treatment were surveyed. 概述了深冷处理技术的发展过程、作用机理、研究内容。
- Process of strengthening &toughening and cryogenic treatment of LD steel was researched. 研究了新型模具钢LD的强韧化及深冷处理工艺。
- For the reason that the pressure of the cryogenic treatment system can not be controlled accurately, the treatment effects are not always good. 本文介绍了使用液氮做冷源的深冷处理控制系统的构成。
- Cryogenic treatment is a good way to enhance the wear resistance of the tool and die steels, and extends their use life. 深冷处理能极大提高工模具的耐磨性,延长其使用寿命。
- The research achievements of cryogenic treatment have been applied to cast alloys,including high Cr cast iron,440A cast stainless steel, 45 carbon steel,in recent years. 介绍近几年将深冷处理技术应用于高铬铸铁、44 0A铸造不锈钢、45碳素铸钢等铸造合金材料中的研究结果。
- The cryogenic treatment could improve the bending strength more obviously when it was performed between two tempering processes than after quenching or preprocessing. 深冷处理安排在两次回火之间进行,对抗弯强度的提高比较明显;安排在淬火后或预处理后进行,对抗弯强度的影响不明显。
- Cryogenic treatment attracts much attention and obtains practical application in wide fields,since it helps to improve the mechanical performance of some metal or nonmetal materials,such as strength,hardness,abradability and dimension stability. 深冷处理对于一些金属材料乃至非金属材料的强度、硬度、耐磨性和尺寸稳定性等机械性能的提高能够起到积极作用,因而广受关注并获实际应用。
- The effects of cryogenic treatment on the microstructure and the hardening behavior for high chromium cast iron were investigated by X-ray diffraction,magnetic method and hardness test. 采用X射线衍射、磁性法和硬度测量等方法研究了深冷处理对高铬白口铸铁显微组织和硬化行为的影响。
- Based on a review of main influence factors during cryogenic treatment,some typical examples of treatment device are categorized and introduced.A short prospect is also present for futu... 综合现有文献资料,在总结深冷处理工艺主要影响因素的基础上,较为详细地介绍了目前应用较普遍的深冷处理工艺及相关系统流程,并结合国内外研究现状提出了一些展望。
- The influences of cryogenic treatments on the microstructure,material performances and the impact wear resistance of the superhigh manganese steel are studied. 主要研究了深冷处理对超高锰钢组织、性能及耐磨性的影响。
- Cryogenic treatment of Al and Al alloys 铝和铝合金的深冷处理
- He will not sit down under such treatment. 我不应再忍受好如此的礼遇。
- Keywords bearing steel;cryogenic treatment;austenite residuum; 轴承钢;深冷处理;残余奥氏体;
- Their treatment of women is unspeakable. 他们对待妇女的方式恶劣得难以言表。
- His treatment of her was beyond endurance. 他这样对待她是无法忍受的。
- A cyclic code with minimum redundancy used to check errors in a set of characters. 一种用于检查一组字符的错误、并且具有最小冗余度的循环码。
- His treatment of his wife is outrageous. 他对待妻子十分蛮横。
