Top low carbon alloy steel as gear material, adapting automatic carburizing and quenching heat treatment.
齿轮材料选用高级低碳合金钢，使用自动化高温渗碳淬火处理。
The influence of chemical composition and heat-treatment on the microstructure and mechanical properties of the steel is investigated.
研究了化学成份和热处理工艺对钢板力学性能和微观组织的影响规律。
In order to increase the dimensional accuracy and other properties of strip steel used for the tyre rim of bicycle, the experiments on rolling process and heat treatment are made.
本文为提高自行车钢圈用带钠的尺寸精度和各项性能进行了轧制和热处理工艺试验，得出了好的工艺制度。
This text analysed the influence of steel elastomer material, heat treatment craft to load cell lag error combining internal friction mechanism and practical experience.
本文结合内耗机理及部分实践提出了钢弹性体材料处理、热处理工艺对传感器滞后误差的影响分析。
A steel with varying carbon content and, consequently, different critical temperatures requires a special heat treatment.
含碳量变化的钢具有不同的临界温度，因此需要特殊的热处理。
The procedures of heat treatment of steel include hardening tempering annealing and case hardening.
钢的热处理工序包括硬化、回火、退火和表面硬化。
There are three main operations in the heat treatment of steel: hardening, tempering and annealing.
钢的热处理操作主要有三种，即：淬火，回火和退火。
There are three main operations in the heat treatment of steel: hardening tempering and annealing.
钢的热处理操作主要有三种，即：淬火、回火和退火。
The recent progresses on the surface heat treatment of H13 steel are also discussed.
并介绍了H13钢表面处理的最新进展。
In this paper, large alloy iron parts and low-alloy steel parts after surface heat treatment, used in the diesel engine, were tested and compared. By Leeb hardness sclerometer.
针对本厂生产的柴油机中合金铸铁和低合金钢表面热处理的大型零部件进行对比测试，扩大里氏硬度计在实践中的应用。
This paper mainly presents that constructional mid-carbon alloy steel, after bulk moulding deformation, heat treatment and cold surface deformation can raise fatigue strength of materials effectively.
本文主要介绍中碳合金结构钢经整体塑性变形、热处理后再进行表面冷变形工艺是提高材料疲劳强度的有效途径。
In order to make the problem clear, systematic work has been done to study the theoretical and technical specialities of heat treatment of steel-bonded carbide.
为了把问题弄清楚，我们对钢结硬质合金的热处理在理论上与工艺上都进行了比较系统的研究工作。
Because of this, this kind of steel after welding manipulator welding, its heat treatment to avoid this temperature range.
正是因为如此，这类钢材在经过焊接机械手焊接之后，它的热处理要避开这一温度范围。
This paper presents some results of heat treatment experiments of A508-3 steel at different quenching, tempering and annealing conditions.
本文介绍国产A508-3钢在不同的淬火、回火和退火条件下的热处理实验的某些结果。
According to microstructure and the results of hardness test, appropriate adjustment of heat treatment could promote fatigue lift of spring steel.
根据显微组织和硬度检测结果，适当调整热处理工艺，可进一步提高弹簧的疲劳寿命。
Evaluation of fracture toughness of the alloy steel by the JR resistance curve shows the influence of heat treatment technology.
应用所得JR阻力曲线对合金钢的断裂韧度的评定表明了热处理工艺的影响。
Carburization is the heat treatment process which carbon atoms permeate into the steel work form its surface.
而工件的渗碳处理是使碳原子渗入钢制工件表层的化学热处理工艺。
Some spring fracture cause is mainly instability of spring steel quality, and the arts and crafts on heat treatment of steel material matching spring product is necessary to be perfected.
个别弹簧出现折断质量问题，主要原因是弹簧钢材质不够稳定，材料与产品的热处理工艺匹配不够完善。
After proper heat treatment the steel will have a dual phase structure of austenite and bainite. arranged alternatively in the form of lath ferrite and thin film austenite.
经适当热处理，获得贝氏体铁素体板条与奥氏体薄膜交替排列的奥氏体-贝氏体双相组织。
The effect of postwelding heat treatment on property of pressure equipment made of Cr-Mo steel has been interpreted thorough some research and practical examples.
前言： 通过一些试验研究和工程实例，介绍采用铬钼钢制造的承压设备，经热处理后对钢材性能的影响。
Finally on tool steel alloying and heat treatment quality control problems were introduced.
最后对工具钢合金化及热处理质量控制问题进行了介绍。
The optimum heat treatment process is proposed for bainite steel.
提出适合新型贝氏体钢的最佳热处理工艺。
Upon characteristics analysis of high speed steel, forging technology of high speed steel and sequential heat treatment have been introduced.
在分析高速钢特性的基础上，介绍了高速钢的锻造工艺及其锻后热处理。
The heat treatment technology of carbo - nitriding of steel has the characteristic of lower treatment temperature and direct quenching.
钢的碳氮共渗热处理工艺具有共渗温度低、可直接淬火等特点。
The machinability of 718 plastic die steel after different heat treatment was studied and the main influence factors was discussed.
对718塑料模具钢经过不同工艺热处理后的加工性能进行了研究，分析了影响其加工性能的主要因素。
Therefore, plastic mold steel manufacturing processes, in particular the heat treatment processes are different.
因此，对于塑料模具钢的制造工艺，特别是热处理工艺也是大不相同的。
Carbon steel bright heat treatment are mainly free-cutting steel and other low-carbon steel bright annealing, as well as bright demagnetization.
碳钢的光亮热处理主要有易切削钢等低碳钢的光亮退火处理以及光亮退磁。
This article studies the heat-treatment technology of steel 45 rubber forming dies and the influence of the heat-treatment technology on its microstructure and properties.
主要研究了45钢橡胶成型模具的热处理工艺，以及热处理工艺对其组织和性能的影响。
This article studies the heat-treatment technology of steel 45 rubber forming dies and the influence of the heat-treatment technology on its microstructure and properties.
主要研究了45钢橡胶成型模具的热处理工艺，以及热处理工艺对其组织和性能的影响。
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