1、

The results show that the hardness of bearing roller is lower than the required because no martensite is formed when the quenching time is 55 min and the quenchant is the oil or UNCON ( 25w%).

结果表明:淬火时间为55min,淬火介质为油或UNCON(25%)时,支承辊不能得到马氏体而硬度降低;

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2、

Moreover, for the second case, a natural continuation problem after the quenching time for the non-simultaneous quenching is found, then we obtain that the solution of this equation is incomplete quenching.

对第二类具有对数奇异边界项的热方程找到了解在发生非同时淬灭后解的一个延拓,从而得到该方程组的解是不完全淬灭的。

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3、

The experimental results indicate that during 30-120 min, with increasing the isothermal quenching time, the content and carbon content of retained austenite increased to a max value at 60 min, then decreased.

试验结果表明,在30~120min等温淬火时间范围内,随着等温淬火时间的延长,残余奥氏体量及其含碳量逐渐增加,60min时出现峰值,然后逐渐降低;

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4、

Estimate of Quenching Time and Quenching Rate for Semilinear Parabolic System

半线性抛物方程组的猝灭时间与猝灭速率估计

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5、

The significant effect on the mechanical properties is quenching temperature, the effects of tempering time come second and the effects of tempering temperature wast' n obvious.

淬火温度对其力学性能有显著影响,回火时间次之,回火温度影响不显著。

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6、

At the same quenching temperature, as the tempering time extended and tempering temperature rise, the strength of the sample decreased, plasticity, impact toughness and corrosion resistance increased.

随着回火温度和回火时间的增加,相同淬火温度下试样的强度下降,塑性、冲击韧性和耐腐蚀性均提高。

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7、

At the same tempering time and tempering temperature, as the quenching temperature rise, the corrosion resistance of the samples decreased. But under quenched at 930 ° C for 30 minutes, the best comprehensive performance can been obtained.

随着淬火温度的增加,相同的回火温度与回火时间的试样的力学性能在930°C淬火时达到最高,而耐蚀性能则不断降低。

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9、

The paper introduces the devising of outer time control device and the application of dial switch in quench machine, taking several types of small-scale PLC quenching machine in common use for example.

以多种常用小型PLC控制淬火机床为例,介绍了拨码开关外部设置定时方法及拨码开关在淬火机床中的应用情况。

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10、

Principles and Applications of the Immersion Time Quenching System in Batch and Continuous Processes

控时浸淬系统(ITQS)原理及在周期式和连续式生产中的应用

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11、

Modifications of the term quenching include direct quenching, fog quenching, hot quenching, interrupted quenching selective quenching, spray quenching, and time quenching.

淬火包括直接淬火、喷雾淬火、热淬火、分级淬火、局部淬火、喷射淬火和限时淬火。

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12、

The influence of zero time holding quenching temperature on the 20 MnV steel's strength and hardness

零保温淬火温度对20MnV钢强度和硬度的影响

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13、

Study of the Calculating Method of Cooling Time for Interrupted Quenching

双介质淬火冷却时间计算方法的研究

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14、

By analyzing the changes of absorption spectra at different delay time and the quenching rate constants, the mechanism of reactions can be obtained.

通过吸收光谱随光激发的延迟时间变化和测得的反应动力学常数可以推测反应的机理。

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15、

A better quenching effect is obtained when the temperature increases; and the quenching result is also influenced by the mixing time of fluorescence quenching agent and the pulp.

结果表明,浆料温度及荧光消除剂与浆料的混合作用时间对荧光消除效果有较大影响。

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16、
17、

The time of maximum fluorescent quenching and the half time of fluorescent quenching were significantly prolonged ( P < 0.01).

最大荧光淬灭时间和半数荧光淬灭时间非常显著延长(P<0.01)。

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18、

It is noted that the quenching process of the current lead can be divided into two stages. The operating time for protecting the quenching current lead should be smaller than the first stage time.

仿真结果分析表明:电流引线失超过程可分为两个阶段,电流引线的失超保护动作时间应小于第一阶段时间。

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19、

We concentrate mainly on the possibility of controlling by suitable way the initial data, so as to the only occurrence of the singularity of boundary nonlinearity at finite time ( i.e. boundary quenching).

我们主要讨论了通过适当控制初始条件,使得只有边界的非线性项的奇性才会在有限时刻出现的可能性(亦即边界quenching)。

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20、

Effects of the type of press quenching, the cooling velocity and the delay time before press run-out quenching on the microstructures and mechanical properties of Al-Mg-Si ( 6005A) hollow sections were investigated by orthogonal optimizing method.

采用正交试验和模拟试验的方法,研究了在线淬火方式、淬火冷却速度及淬火延迟时间对6005A铝合金空心型材组织和性能的影响。

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