The hardening case depth and hardness curve can be changed by adjusting heating time, heating power and cooling speed during induction hardening.
在感应淬火中,通过改变加热时间、加热功率和冷却速度可以改变淬硬层深度和硬度梯度。
By measuring the cooling curve and quench severity of quenching oil at various flow rates, the relationship among the hardening capacity, quench severity and flow rate was established.
对淬火油在不同流速下的冷却曲线和淬火烈度进行了测量,建立了硬化能力、淬火烈度与介质流速三者之间的关系。
Quenchability Check; e. g., cooling curve, viscosity, or titration.
淬火能力检查;例如,冷却曲线,粘度或滴定。
Combined with measured cooling curves, the TTP curve was used to predict the influence of quenching rate on the hardness of 7055 aluminum alloy by quench factor analysis method.
采用分级淬火的方法测定了7055铝合金的温度—时间—性能(ttp)曲线,并结合合金实际淬火冷却曲线通过淬火因子分析方法预测了合金的硬度。
This paper describes the methods of fan testing and making fan property curve by dimensionless characteristic coefficient for the cooling fan of air-cooled engines.
论述了风冷发动机冷却风扇的试验法和用无因次特性系数法制取风扇特性曲线的方法。
Theoretical cooling curves, the relationship between cooling curve, fraction of solid and liberation of latent heat per unit time, and experimental results are presented.
给出了理论冷却曲线、冷却曲线、固相率及单位时间内潜热释放速度之间的关系及实验结果。
It is introduced the development of 45a narrow strip and introduced the influence on the production performance by the deformation and the strength of cooling by CCT curve.
阐述45优质窄带钢的开发,结合CCT曲线介绍轧制变形量、冷却强度对产品性能的影响。
The sample cell used to measure the gradual cooling curve of two components alloy with low melting points was designed.
设计了一种用于测定低熔点二元合金步冷曲线的试样容器。
The continuous cooling curve obtained with the MDD model can use to quantitatively describe the cooling or uplifting process of a geologic body.
利用MDD模式得到的连续冷却曲线,可以定量地描述地质体的冷却(隆升)过程;
The solubility curve for cadmium nitrate tetrahydrate (CNT) has been ditermined. the CNT crystal can be grown by slow cooling solution technique.
测定了四水硝酸镉(CNT)溶解度曲线,采用降温法培养出CNT单晶。
The expanding curves and continuous cooling transformation curve (dynamic CCT curve) of X60 pipeline steel were obtained by dilatometry and microscopic test under different cooling speed.
利用膨胀法,结合金相法,测定了X60不同冷却速度下连续冷却转变的膨胀曲线,获得了该钢的连续冷却转变曲线(动态CCT曲线);
Temperature control system adopts intelligent temperature controller that can preestablish temperature curve and forced drainage system can implement rapid cooling operation.
温度控制系统采用智能温控仪,可以预先设定温度曲线;强制排水系统可以实现快速降温操作。
The result shows that the RE make CCT curve move towards right and hardness of steel increases at same rate of cooling.
结果表明:稀土使钢的过冷奥氏体转变曲线右移,在同样冷却速度下,加稀土钢的硬度增加。
In the mean time, temperature curve for step cooling was modified and a modified temperature curve for step cooling was first proposed in this paper.
同时对步冷试验温度曲线进行修正,提出了修正步冷试验温度曲线。
The deformation moves CCT curve to left and up direction. the cooling transformation initiating temperature of austenite increases more with the increase of cooling rate.
变形使CCT曲线向左上方移动,提高了奥氏体冷却转变开始温度,随冷速加大提高得越多。
This standard provided oil candle melting point (cooling curve) determine method.
本标准规定了石油蜡熔点(冷却曲线)的测定方法。
It was found that partition of cooling process according to the measured cooling rate curve is not totally corresponding to what were visually observed.
对比发现,按测得的冷却特性曲线的形状划分的冷却阶段,与探棒表面实际发生的冷却情况大不相同。
A cooling curve is plotted and the freezing point determined.
一个冷却曲线被画了出来,凝固点就被找到了。
Finally, some new viewpoints with respect to the conventional ideal cooling curve and cooling velocity below the martensitic t...
最后,对传统的理想冷却曲线及低温区的冷速问题提出了一些新的看法。
A comparison of the two displaying methods of cooling-load rate distribution, that is, time frequency chart and probability distribution curve, is made.
对时间频数图、概率分布图这两种负荷率分布的表示方法进行了比较。
Meanwhile, the heat sink's heat-flux surface temperature variation curve with the fan power changes at different radiator temperature are given by the experiments of the two air cooling systems.
对两套风冷系统进行了实验研究,给出了不同辐射器温度下散热器热流面温度及电池输出特性随风扇功率的变化曲线;
Finally, some new viewpoints with respect to the conventional ideal cooling curve and cooling velocity below the martensitic transformatio…
最后,对传统的理想冷却曲线及低温区的冷速问题提出了一些新的看法。
Finally, some new viewpoints with respect to the conventional ideal cooling curve and cooling velocity below the martensitic transformatio…
最后,对传统的理想冷却曲线及低温区的冷速问题提出了一些新的看法。
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