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临界冷却速度
相关语句
  critical cooling rate
     The results show that the critical cooling rate of the steel is 10℃/min.
     结果表明 ,该钢临界冷却速度为 10℃ /min。
短句来源
     Based on the experimental results,the time-temperature-precipitation(TTP) curve was established,the critical cooling rate of this steel without the precipitation Cr_2N was 30℃/min.
     根据试验结果得到了等温析出动力学曲线 ,该种钢没有Cr2 N晶间析出的临界冷却速度为 30℃ /min。
短句来源
     DETERMINATION AND CALCULATION OF CRITICAL COOLING RATE ELIMINATING BANDED STRUCTURE OF 16Mn STEEL PLATE
     消除16Mn钢板带状组织的临界冷却速度的测定与计算
短句来源
     The critical cooling rate that the steel has got whole martensite is 15℃/s when austenitized at 950℃ and 20℃/s when austenitized at 900℃.
     钢在 95 0℃奥氏体化时获得全马氏体的临界冷却速度为 15℃ /s ,90 0℃奥氏体化时是 2 0℃ /s。
短句来源
     The critical cooling rate that does not occur pearlite transformation is 3.1 ℃/s,and Ms=150℃.
     不发生珠光体转变的临界冷却速度为31℃/s,Ms点为150℃。
短句来源
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  critical cooling velocity
     1. The content of pro-eutectoid ferrite decreases with increase of cooling velocity. The precipitation of pro-eutectoid ferrite is restrained completely, when the cooling velocity gets to 100 K/min. In other words, the critical cooling velocity of ferrite is lower than 100 K/min.
     1.随着冷却速度的提高,先共析铁素体的含量逐渐减少,当冷却速度达到100 K/min时,先共析铁素体的析出已完全被抑制,也就是说,铁素体的临界冷却速度低于100 K/min。
短句来源
  critical cooling speed
     A simulation example for offline heat treatment showed that there is a zone of cooling speed 78 ℃/s at 1018 mm from the surface of circular bead. The zone is just in the vicinity of critical cooling speed of bainite transformation and is easy to cause abnormal disequilibrium structure.
     对离线热处理过程的数值模拟表明,距圆角表面10~18mm处存在一个冷却速度达到7~8℃/s的区域,它处在贝氏体转变的临界冷却速度附近,很容易产生非平衡的异常组织。
短句来源
     The simulation results show that while coiling temperature being 660~680 ℃, the average cooling speed at centre of coil is only 0.04 ℃/s, very far lower than critical cooling speed 0.1 ℃/s to occur carbides isolation eutectoid, so the deep-drawing properties of coil sharply decrease.
     模拟结果表明 ,卷取温度为 6 6 0~ 6 80℃时卷材心部平均冷却速度仅为 0 0 4℃ /s ,远远低于出现碳化物离异共析的临界冷却速度 0 1℃ /s,使卷材深冲性能急剧降低。
短句来源
  “临界冷却速度”译为未确定词的双语例句
     There are the critical melt-spinning rates, above which α-Fe can not solidify any more, but Nd2Fe14B grains themselves crystallize from liquid, respectively in Nd8Fe86B6, Nd4.5Fe77B18.5 or Nd2Fe14B alloys.
     随着冷却速度的增大,菱形的Fe3B相变为针状。 无论Nd8Fe86B6合金、Nd4.5Fe77 B18.5合金,还是Nd2Fe14B合金,在快淬时均存在一个临界冷却速度,高于这个速度,α-Fe初生相不再出现,Nd2Fe14直接从液态中析出。
     Calculation on Hardenability of the Steel by the Critical Cooling Rate
     用临界冷却速度预测钢的淬透性
短句来源
     DETERMINATION OF CRITICAL TIME,CRITICAL COOLING RATE OF NON-EQUILIBRIUM SEGREGATION OF BORON AT GRAIN BOUNDARIES
     硼的晶界非平衡偏聚临界时间和临界冷却速度的确定
短句来源
     RESEARCH ON CRITICAL COOLING RATE OF BANDED STRUCTURE IN 16Mn STEEL PLATE
     消除16Mn钢板带状组织的临界冷却速度研究
短句来源
     From the point view of crystal dynamics ,we discuss the ability of material forming non-crystal and introduce the method that can figure out the substance criticalcooling rate Q* by using T-T-T figure(Time-temperature-transformation curve ,also called 3-TFigure) All of these above-mentioned are of great significance for us to exploit new amorphous solids materials ,probe into the new approach to make non-crystal materials and understand the stability of materials.
     介绍了从T-T-T图(时间-温度-转变曲线,也叫三T图)计算物质临界冷却速度Q~*的方法。 这些对于开发新型非晶态材料,探索制备非晶态材料的新途径,了解材料的稳定性都有重要意义的。
短句来源
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  critical cooling rate
The criterion for a critical cooling rate is the minimum cooling rate of the liquid state that leads to formation of a glassy-like state.
      
A method for predicting the critical cooling rate to prevent sensitization
      
The critical cooling rate to achieve fully martensitic structures was determined for rimmed and aluminum-killed SAE 1010 steel containing various amounts of carbon and nitrogen.
      
Alloying may be required to reduce the critical cooling rate to a rate achievable in oil-quenched carbonitrided components processed from aluminum-killed steel.
      
The obvious curvature in the plot indicated that the Ozawa model could not fit our system well, and there was an abrupt change of the slope in the Ozawa plot at a critical cooling rate.
      
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The effects of dissolution and precipitation of M_(23)(C,B)_6 during heating at

采用定量相分析,硼自射线照象等技术,对不同含硼量的中碳钢40 MnB,在高温加热及冷却过程中,M_(23)(C,B)_6的溶解、析出行为及对钢性能的影响进行了研究。发现析出的M_(23)(C,B)_6的数量及粒度随着钢中的含硼量增加及冷却速度的减小而增加;含硼量不同的钢具有一个相同的临界冷却速度,在这一冷速下,M_(23)(C,B)_6,的析出量达到饱和。M_(23)(C,B)_6的溶解、析出对淬透性和韧性有很大影响。含硼量较低的钢,在相同条件下M_(23)(C,B)_6的析出量较小,且易于溶解,故钢具有较好的综合性能,并对热履历的变化不敏感。提出了一些稳定钢性能的建议。

A general survey on theories of glass or amorphous solid formation, including

木文综述了玻璃和非晶态形成的理论,包括玻璃转化的本质、自由体积理论,熵理论,非晶态形成的能力,以及确定临界冷却速度的方法。特别介绍了动力学处理的结果,这是D.Turnbull和D.R.Uhlman及其合作者们的工作。

Based on the equations of thermal conduction and equilibrium between the melt and the disk in the spinning production,a formula of the cooling rate is derived. The cooling rate depends not only on the physical properties of the melt and the disk, but also on parameters of the spinning technique. The maximum thickness of amorphous alloy ribbons can also be determined by this formula and the critical cooling rate.

根据旋制时熔体与园盘之间的热传导和热平衡方程,我们导出了一个冷却速度公式,它不仅与熔体和园盘的物理性质有关,而且与旋制工艺参数有关。由这个公式和临界冷却速度还能决定出非晶态合金丝带的最大厚度。

 
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