由于马氏体这一淬硬钢主要成分的不稳定性，使得回火成为可能。
Tempering is possible because of the instability of the martensite, the principal constituent of hardened steel.
采用导电加热切削技术切削淬硬钢的特点在于：可以采用普通机床、硬质合金刀具对淬硬钢进行硬车削加工。
The feature of machining harden steel by means of EHM are: it can utilize the carbide tool to machine the harden steel in engine lathe.
回火完全淬硬钢得到的最终组织结构被称为回火马氏体。
The final structure obtained from tempering a fully hardened steel is called tempered martensite.
尖端的螺丝刀已经取得了淬硬钢已地面提供一个长期的生活和一个确切的化油器的设立。
The tip of the screw driver has been made of hardened steel which has been ground to provide a long life and a precise carburettor set-up.
研究了水淬工艺对微合金双相钢组织和力学性能的影响。
Effect of water quench process on tensile properties of microalloyed dual phase (DP) steel was investigated.
磨削热导致回火引起淬硬钢磨削后表面硬度变化。
Tempering resulting from grinding heat caused surface hardness changes of hardened steels after grinding.
在此基础上对钢的淬透性影响因素、晶粒细化及非金属夹杂物控制等进行了详细研究。
On the basis of the above, gear steel's hardenability, grain refinement and nonmetal inclusion control elaborate have been discussed.
淬硬工具钢。
该钢具有优良的淬透性。 已在高应力、高性能汽车板簧，变截面板簧、轿车前、后悬架簧上进行试验和应用。
The test and application of the steel used for high stress and properties auto leaf spring, variable section leaf spring, suspend self spring have been carried out.
试验研究发现，磨削淬硬的磨削力比值范围与磨削淬火钢的磨削力比值范围相一致，大于磨削普通钢的磨削力比值范围。
The grinding force ratio in grind-hardening consists with the grinding force ratio in grinding quenched steel, and is bigger than the grinding force ratio in grinding unquenched steel.
根据实验观察，采用热氧化法对高速切削的淬硬钢切屑成色进行分析，以此判断在切削过程中切屑经历过的切削温度。
It analyses analyzed the colors of hardened steel under the conditions of the high-speed cutting by the thermal oxidation method, and the cutting temperatures are estimated.
磨削淬硬是利用未淬硬钢零件磨削加工中产生的热—机械复合作用直接对其进行表面形变淬火的新工艺。
A new surface deformation quenching process which utilized the composite thermal and mechanical effects generated in grinding to harden the surface of work-piece is introduced.
加入镍和铜，钢的淬透性提高，硬度增加；
The addition of Nickel and Copper improves the hardenability and the baldness.
根据我国具体的生产实际情况，有必要建立我国自己的淬硬高速钢洛氏硬度和维氏硬度换算的标准。
According to real production case of our country, it is necessary to establish the standard about the conversion tables on hardness and strength of hardened high speed steel.
对减小齿轮钢的成分波动范围，保证窄淬透性的控制有重大意义。
This is very useful for decrease on composition fluctuation range of gear steel and control on narrow fluctuation hardenability.
根据对试验结果的分析得出高速铣削淬硬钢工件表面粗糙度的变化规律。
The change rule of surface roughness of the milled workpiece is obtained by analyzing the experimental data.
本文提出了基于支持向量机模型预测钢淬透性的方法，并分析了核函数的选择对支持向量机建模的影响。
In this paper, an SVM-based approach applied to predict steel quenching degree is presented, and the effects of selecting kernel function on SVM modeling are also analyzed.
热处理：钢及有色金属的常规热处理与化学热处理，钢的淬透性测试，钢的表面处理等。
Heat processing: normal heat treating and chemical heat treating of steel and nonferrous metal; testing the hardenability of steel; surface treatment of steel.
反之，也可根据对某一直径钢球的淬硬层深度的要求，选择具有适当淬透性的钢种。
Conversely, according to the demand of hardening depth of a certain diameter of steel sphere, a steel kind of suitable hardenability can be selected.
介绍了硼元素的特点及其在钢中的作用，微量硼可以明显改善钢的淬透性和韧性。
The characteristics of boron element and its effect in cast steel are introduced. Microamount boron can improve the hardenability and toughness of carbon steel.
对采用硅酸铝保温的淬硬倾向大的低合金高强度钢的焊接区域不同部位的焊接热循环进行了研究。
The investigation into the thermal cycles at different zones of a weld on HSLA steel with hardened tendency with aluminium silicate as thermal insulator are carried out completely.
研究了淬硬钢回火硬度与回火温度的关系，建立了回火硬度与回火温度关系的回火效应模型。
Having studied the relationship between tempered hardness and tempering temperature for hardened carbon steels, a tempering behaviour model is set up between hardness and temperature.
淬硬钢高速铣削加工既可以保证加工表面的质量，又可以获得较高的生产效率。
Not only high speed milling quench steel ensures quality of manufactured surface, but only it can obtain high production efficiency.
铬能进步钢的淬透性和耐磨性，能改进钢的抗腐蚀才能和抗氧化效果。
Chromium can improve the steel's quenching and wear resistance, can improve the corrosion resistance and oxidation resistance of steel.
它基本上由在淬硬钢衬套下将零件夹持到位的夹持装置组成，钻孔作业中钻头穿过这些衬套，通过它们来导向。
Basically it consists of a clamping device to hold the part in position under hardened-steel bushings through which the drill passes during the drilling operation. The drill is guided by the bushings.
“C”曲线测定结果表明，设计钢具有高的贝氏体淬透性，可在较大截面上获得均匀的组织和性能。
The results of measurement of the "C" curve show that the steels designed have a high bainitic hardenability and the uniform structure within a bigger cross section can be obtained.
这些机泼淬件得用优质的钢锻造。
These machine parts have to be forged with the finest steel.
广泛用于提高钢的淬硬性以及其它冶金工业，也用作半导体。
The element is used to harden certain steels, among other metallurgical uses, and is also used in semiconductor devices.
介绍了火焰切割对低合金高强度钢在残余应力、淬硬、渗碳等方面的影响。
This article introduces the impact of flame-cutting on high strength lower alloy structural steels from curious aspects Such as remnant stress, quench rigidity, cementite and so on.
模具淬硬钢高速铣削加工既可以保证加工表面的质量，又可以获得较高的生产效率。
High speed milling of hardened mould steel can not only ensure the quality of the surface that has been processed, but also achieve a high efficiency of production.
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