eutectic structure

Investigation on the pseudo eutectic structure formed by solid diffusion of Zn powder and Al powder

Zn粉和Al粉固相扩散形成共晶类组织的研究

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the composites fabricated have uniform microstructures, and the interactions between the fibers and the active elements in the matrix are favourable for eutectic structure of zn alloy to nucleate and to grow.

所制备的复合材料具有均匀的显微组织，纤维与基体中的活性元素的相互作用有利于Zn合金的共晶组织生核和长大。

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The percentage elongation is affected mainly by the morphology of eutectic structure;

伸长率主要受共晶组织形态影响；

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fe-al-b alloys have a good corrosion resistance to molten zinc, the fe-b eutectic structure hinders zinc atoms diffusing to alloy matrix, which reduces the corrosion rate of alloys.

Fe-Al-B三元合金具有较好的耐熔锌腐蚀性能，Fe-B共晶组织的存在，增加了锌原子在合金中的扩散路径，降低了锌液对合金的腐蚀速度。

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At the same time, the addition of aluminum to obtain another eutectic structure which is fine and disperse.

与此同时，铝的加入，获得了细密、弥散的另一共晶组织。

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For the unmodified eutectic silicon, the large cooling rate can promote the transition of eutectic silicon from a coarse plate to a fibrous structure, resulting in modification.

即使对于未变质合金，大的冷却速度仍可以实现共晶硅由粗大的片层状向纤维状分枝结构转变，产生变质作用。

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alloy containing yttrium had fish-bone-like eutectic structure and continuous reticulation structure at triangle boundary or around the grain.

含Y合金晶界共晶相主要以两种形态出现，一类是在三角晶界形核的鱼骨状组织；另一类是几乎包围整个晶粒的连续网状组织。

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To break down the eutectic carbide network of A-cast structure with grain size 4-5 grade, tensile strain of 60% is needed.

当铸志晶粒度力4～5级寸，破碎晶炭化物组织需要有60%以上的拉应变。

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Eutectic Structure of Binary Mg Li Alloy During Directional Solidification

定向凝固条件下二元Mg-Li合金共晶组织的研究

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Study shows that quenched boron eutectic structure possesses the excellent wear abrasion property.

研究表明：硼共晶组织经淬火后，具有优良的抗磨粒磨损性能。

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Under the conditions of containerless processing, Pb-4wt% Sn-12wt% Sb ternary eutectic alloys exhibit a transition from lamellasome structure to granular structure;

在落管无容器快速凝固条件下，Pb-4wt%Sn-12wt%Sb三元共晶合金组织形态由层片状转变为粒状；

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the results showed that al_2o_3 or cr_2o_3 addition can effectively control severe combustion reaction, and form the eutectic structure of cr phase and ceramic matrix.

结果表明，添加Al2O3或Cr2O3稀释剂，可有效控制燃烧反应的剧烈程度，并形成Cr相和陶瓷基体的共晶组织。

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When the pulling rates was low as 1 mm/ min, three-phase eutectic structure was observed and characteristic of directional solidification could be found in longitudinal section.

当下拉速率为1mm/min时，合金组织呈现三相共晶结构，纵截面有定向凝固趋势。

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Appreciation of Crystal On the Mechanism of Eutectic Structure

论共晶结构的机理

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