eutectoid

The dynamically mechanical properties of Zn 22% al alloys in eutectoid decomposition

Zn－22%Al合金共析转变的动态力学性质研究

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In specimens of eutectoid steel T8, the cementite lamellae may be plastically deformed to some extent, and its tendency increases with the decrease of interlamellar spacing.

对于完全是片层珠光体组织的T8钢，渗碳体片层表现出一定程度的塑性变形能力，并随片层间距的减小变形能力增强。

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When cooling, peritectic reaction between α-Mg and Zr happened in the Zn-rich area in the grains, while eutectic reaction and eutectoid reaction happened in grain boundaries.

冷却时，α-Mg与Zr在晶内富Zn处发生包晶反应，晶界处发生共晶反应和共析反应。

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The eutectoid transformation temperature of five alloys is identical, being about 285C.

五种合金的共析转变温度基本相同，均在285℃左右，ZA50的共析转变热最小。

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The eutectoid compounds are very slow in forming.

共析物的形成是非常缓慢的.

词典精选例句

Calculation of the driving force for nucleaction ( growth) gives an evidencs that the leading phase of the eutectoid reaction in hypoeutectoid steels is ferrite while that in hypereutectoid steels is cementite.

由形核（长大）驱动力的计算证明，亚共析钢共析反应的领先相为铁素体，而过共析钢的领先相为渗碳体。

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A Study of m-c-δ( or m-k-δ) Relations of Superplastic Zn-22% Al Eutectoid Alloy

Zn-22%Al合金超塑性的m-C-δ（或m-k-δ）关系的研究

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Morphology and high resolution image of eutectoid transformation products of ti-h alloys

Ti－H合金共析转变产物的形态和结构

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The eutectoid decomposition is a self organization process, which is characterized by the integrated mechanism that ferrite and cementite acted as prevenient phase alternatively.

共析分解是个自组织过程，具有铁素体和渗碳体互为领先相的整合机制。

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It is important to understand the difference of bainite transformation and eutectoid decomposition in steels.

研究贝氏体相变的特点,弄清贝氏体相变反应与共析分解的区别极为重要.

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Trends Dynamic Simulation of the Eutectoid Transformation of Nodular Cast lron

球墨铸铁共析转变组织的动态模拟

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Relationship between temperature and phase transition , cold minification of hypo eutectoid steel has been analysis.

分析了亚共析钢的相变和冷缩率与温度的关系.

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Study on Leader Phase of Partite Phase Change of Eutectoid Carbon Steel

共析碳钢珠光体相变领先相的研究

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Strain-fatigue properties of pearlite and tempered sorbite in a C-Mn eutectoid rail steel have been studied by fully reversed constant total strain amplitude and plastic strain behavior in strain fatigue process has been investigated.

用全反向恒应变幅试验方法，研究了C-Mn轨钢珠光体及回火索氏体的应变疲劳行为，探讨了塑性应变在应变疲劳中的作用。

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With the increasing of aluminum content, the heat of eutectoid transformation reduces, while the melting point of alloy rises.

随着含铝量的增加，共析转变热减小；合金的熔点增加；合金的熔化热也增加，但增幅不大。

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These fine carbide particles grew during isothermal before the eutectoid transformation and their sizes depended on isothermal time and temperature;

这些弥散分布的碳化物颗粒在共析转变前的等温过程中长大，其尺寸由等温时间和等温温度控制。

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Above this point the hardness can be increased only slightly, because steels above the eutectoid point are made up entirely of pearlite and cementite in the annealed state.

高于此点，由于超过共析点钢完全由珠光体和退火状态的渗碳体组成，硬度增加并不多。

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In this paper, the mathematical and physical model was developed based on the thermodynamics and solidification theory before the eutectoid transformation of spheroidal graphite cast iron occurred.

基于球墨铸铁发生固态相变之前的热动力学和凝固原理建立了数值模拟的物理数学模型。

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The eutectoid reactions which can occur are extremely sluggish.

可能发生的共折反应是非常缓慢的.

词典精选例句

The microstructure changes of pearlitic eutectoid steel induced by cold rolling were investigated by using SEM, TEM and XRD etc.

用SEM、TEM及XRD等方法研究了共析钢中珠光体经40%-90%的冷轧变形后所产生的显徽组织变化。

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However, the optimum second holding temperature in 2-step normalizing must be selected within the eutectoid temperature range.

但是，两阶段正火中，第二阶段的保温温度必须选择在共析转变温度范围内。

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An introduction on Union Carbide Corporation Different spheroidizing technologies were applied to the hot-rolling ultra-high carbon steel by DET ( divorced eutectoid transformation).

联合碳化物公司利用离异共析原理，采用不同的热处理工艺球化热轧超高碳钢。

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The experiment results show that the connection zone may be divided into multicomponent eutectoid, tungsten carbide and narrow ferrite and the interface is found to be a metallurgical bond because of the element diffusion, metallurgy reaction and formation of the new compound phase during the cast-in process.

实验结果表明：结合层是由窄小的铁素体带和多元共析体+条块状WC组成，界面元素发生扩散及冶金反应并有新相产生，呈典型的冶金结合。

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Both the austenite-graphite eutectic reaction temperature and eutectoid reaction temperature are higher than those of austenite-cementite.

奥氏体-石墨共晶和共析反应温度也都高于奥氏体-渗碳体的共晶和共析反应温度。

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Besides, alloy steels containing elements which move eutectoid point to the left in Fe-C equilibrium diagram are also suitable for magnetic field quenching.

对于合金钢，凡是含有能使Fe-C状态图共析点左移的合金元素的钢均适用磁场淬火工艺。

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Effect of high magnetic field on eutectoid point in Fe-0.76% C alloy

强磁场对Fe-0.76%C合金共析点的影响

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The spheroidizing annealing tests were carried out on the 1.6% C forged UHCS ( ultra-high carbon steel) based on DET ( Divorced Eutectoid Transformation) mechanism of the austenite with inhomogeneous carbon concentration. The mechanical properties of the UHCS samples with different microstructures were tested.

根据碳浓度不均匀奥氏体的离异共析转变机制，对1.6%C（质量分数，下同）锻造超高碳钢进行不同工艺的球化处理，并对具有不同球化组织的试样进行性能试验。

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Heat treatments of DET ( Divorced Eutectoid Transformation) and quenching+ tempering were carried out to obtain the microstructure of ferrite with ultra-fine carbides for a 1.6% C ultra-high carbon steel.

对1.6%C超高碳钢进行离异共析和淬火+高温回火两种工艺球化预处理，获得了铁素体基体上分布超细碳化物组织，在此基础上进行了两类淬火处理。

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The results show that the catalytic cementation nitrocarburizing below the eutectoid temperature has a rapid penetrating rate and high hardness for the diffusion layer.

结果表明，在共析温度以下进行催渗氮碳共渗，具有渗速快、渗层硬度高的特点；

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The scientific theory and method are applied to study the pearlitic eutectoid decomposition mechanism in steels and the concept of existence of so-called prevenient phase was negated.

应用系统科学的理论和方法，研究了钢中珠光体共析分解机制，否定了领先相的存在。

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