包晶反应

包晶反应是否部分发生取决于REM5相的相比例。

Whether the peritectic reaction partially takes place or not de-pends on the volume fractions of REM_5 phase in alloys .

该组织为Al作基体，FeAl＿3以共晶方式存在，也常作为包晶反应产物α－（ALFeSi）＿H的核心。

The matrix of coating is pure aluminium , and FeAl_3 exists as eutectic and also as the core of α - ( AlFeSi ) _H formed by peritectic reaction .

Ni（25）Al（75）合金快速凝固过程中的包晶反应与凝固进程

Peritectic reaction and solidification path in Ni-Al alloy during rapidly solidification process

考虑包晶反应的Ti-（45&48）Al合金锭凝固组织模拟

Solidified structure simulation of ti - ( 45-48 ) Al alloy ingot with consideration of peritectic reaction

CSP薄板坯连铸包晶反应区域的研究

Region of Peritectic Reaction in Thin Slab Casting Process of CSP

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。

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 .

研究了冷却速率和硅、锰合金元素含量对Fe-C合金的包晶反应和包晶点位置的影响；

It is researched the influence of cooling rate and the content of silicon and manganese alloy on peritectic reaction and position of peritectic point in Fe-C alloy .

高温金属间化合物是一类重要的高温结构材料，其中Ti-Al及Ni-Al等许多合金系在凝固时都存在连续的包晶反应。

Intermetallics are a new generation of high temperature structural materials . Many of the alloys solidified through peritectic reaction , for example in Ti-Al and Ni-Al systems .

讨论了YBCO高温超导体定向凝固中所涉及的包晶反应、界面稳定性及其形态控制、凝固取向和晶向控制等问题。

Some basic problems in preparing YBCO superconductor by directional solidification , including the peritectic reaction , the interface stability and its control , the orientation of solidification , and crystal orientation control , were discussed .

由于CSP薄板坯冷却速率快，Fe-C相图向左下方移动，包晶反应区域的碳含量为0.08%~0.20%；

The C content is about from 0.08 % to 0.20 % in peritectic reaction region because the cooling rate of CSP thin slab is faster and its Fe-C phase diagram moves to the down left ;

对Al-Ti、Al-Ti-B、Al-Ti-C、Al-Ti-C-B、Al-Ti-B-RE等晶粒细化剂进行了比较，并对具有代表性的细化理论如包晶反应、碳化物-硼化物及组织遗传性进行了分析和讨论。

A detail compassion is made in the Al-Ti , Al-Ti-B , Al-Ti-C , Al-Ti-C-B , Al-Ti-B-RE grain refiner . The typical theory of grain refine such as crystal multiplication , carbide-boride and structural heredity is analyzed and discussed .

非平衡凝固时包晶反应滞后现象的研究

Delayed Phenomenon of Peritectic Reaction Under Non-equilibrium Cooling

准晶相由包晶反应生成。锁相型自动准同期控制

The peritectic reaction occurs in the icosahedral quasicrystal formation . PHASE-LOCKED AUTOMATIC ACCURATE SYNCHRONIZATION CONTROL

给出了具有包晶反应的合金在定向凝固条件下的成分过冷判据式。

The constitutional supercooling criterion of alloys with peritectic reaction in the directional solidification was proposed .

包晶反应及自液相析出造成γ相的含量持续增加。

So , the volume fraction of γ - phase increases due to the peritectic reaction and direct precipitation from liquid .

除此之外，定向凝固包晶反应过程中，相的竞争与选择及界面形态的演化也将同时对金属间化合物的凝固组织产生重要的影响。

At the same time , the phase competing and the solid / liquid interface evolution will affect the solidification structures significantly .

为在高纯铝（99.99%）中获得细小的等轴晶组织，铁的加入量必须达到包晶反应的最低成分0.15%Ti。

In order to generate fine equiaxed grains in superpure aluminium ( 99.99 ) titanium additions must approach the peritectic composition of 0.15 % Ti .

抽拉速度大于20μm/s时，初生相始终作为领先相，包晶反应对初生相的消耗明显减少。

When the pulling speed is greater than 20 μ m / s , the primary phase has always been a leader in the growth phase , peritectic reaction significantly reduced the consumption of the primary phase .

试验结果表明：在Zn&Al二元合金相图中确有包晶反应，β相是共晶转变的领先相，共晶团呈辐射状生长。

The experimental results showed that the peritectic reaction did exist in the phase diagram of zinc-aluminium binary alloy . The β phase is leading one in the eutectic transformation , and the eutectic colony grown is radialized .

分析了铝基准晶合金的组织与相变特征，铝基准晶的生成通常为包晶、包析反应，其长大速度较慢。

The Al-based amorphous alloy forms in the peritectic reaction and peritectoid reaction , and its growth velocity is slow .

讨论了定向凝固法制备YBCO超导体涉及的包晶转变与包晶反应、成分过冷、扩散控制生长模型、界面效应及定向凝固YBCO生长晶体学等问题。

Some basic material problems in preparing YBCO superconductor by directional solidification , including the peritectic transformation and peritectic reaction , the constitutional undercooling , a diffusion controlled growth model of YBCO , the interface effect and crystallography for directional solidification , were discussed in the present paper .

包晶凝固是十分重要的相变过程，许多结构和功能材料的制备都涉及到包晶反应。

Recently , many aspects of peritectic solidification have been investigated including nucleation and growth , banded structure , coupled growth and phase selection .