In the process of metal solidification, the numerical simulations of the dendritic crystal growth is an important part of materials science field. Its result is practical guiding significance to effectively control the growth of metal materials.

And as cooling rate was 0. 1 ℃/ s, dendritic crystal precipitated at first in flux, then lamellar crystal precipitated to last of crystallization.

在冷却速率0.1℃／s时，保护渣首先析出树枝状晶体，然后以片状晶体形态析出，直到结晶终止。

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Using appropriate process parameters, the Cu-Al-Ni shape memory alloy with good surface quality and unidirectional dendritic crystal was prepared by the self-made ohno continuous casting equipment.

在自制的水平热型连铸设备（OCC）上，采用一定的工艺参数，制备出表面呈镜面，内部组织沿轴向定向排列的柱状组织Cu-Al-Ni形状记忆合金。

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The dendritic crystal grains of primary austenite were spheroidized and fined significantly after the alloy slurry flowed through the cooling slope plate.

合金液经倾斜板处理后枝晶状先共晶奥氏体得到了明显细化、球化。

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When the crystallization temperature is blow the solidus, non-oscillatory zoning or dendritic crystal and glass mass will be formed.

当结晶温度低于团相线温度时，则形成非韵律环带或枝晶甚至玻璃体；

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Since the theory of dendritic crystal growth was not considered in the simulation, these result were some special result under special conditions.

由于本模型没有引用微观研究中关于枝晶的特殊理论，因此可以将这种结果看做是通用模型的一种特殊情况。

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Dendritic crystal growth was generated via basic physical model and combined temperature field simulation.

本文使用元胞自动机模型根据最基本的物理学原理和温度场模拟计算耦合，得到了枝晶的生长结构。

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Effect of wide change of cooling rate on dendritic segregation of a directionally solidified cobalt-base superalloy

宽变冷速对定向凝固合金枝晶偏析的影响

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Results show that the increase of cooling rate can restrain dendritic segregation effectively, especially for easily segregated alloy elements.

结果表明：增大冷却速率可有效抑制枝晶偏析，对易偏析元素其效果更明显；

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After homogenizing treatment, the dendritic segregation dissolves into the matrix again.

此外，通过均匀化退火可以有效的消除枝晶偏析。

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The results show that the dendritic segregation is fully broken in the forging near inner and outer wall.

结果表明，在靠近内、外壁区域，树枝状偏析结构被充分锻碎；

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The high pressure improves solid solubility of solute into solid solution and reduces the dendritic segregation.

高压增加了溶质原子在固溶体中的固溶度，减少了枝晶偏析。

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The dendritic segregation of elements decreased.

元素的枝晶偏析减小，中、高温的纵向持久寿命增加。

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The final products are badly influenced by dendritic segregation of ingot without homogenization treatment.

铸锭若未经均匀化退火，最终制品的性能会受到枝晶偏析和第二相的严重影响。

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Methods: 101 cases ( 126 eyes) of dendritic keratitis were painted with carbolic acid or trichloroacetic acid following topical anesthesia with 1% Dicaine and then dressed. Results: The condition of the patients was satisfactory 7~ 10 days after operation.

方法：101例126眼树枝状角膜炎患者均在1%地卡因表面麻醉后应用石炭酸或三氯醋酸搽于病变角膜上皮然后包扎。

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The adverse reaction of the worsening of dendritic keratitis was not observed when trace dexamethasone [ 0.001%, one percent of usual concentration ( 0.1%)] was used to treat the experimental HSV keratitis.

在动物实验中，微量地塞米松[0.001%，常用浓度（0.1%）的百分之一]并不恶化上皮型HSV角膜炎。

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Treatment of dendritic keratitis with eroding and stripping the corneal epithelium ( report of 52 cases)

角膜上皮腐蚀剥脱术治疗树枝状角膜炎（附52例报告）

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Result: The effective rate of dendritic keratitis in treatment group and control group was 100%, 88.24%, respectively.

结果：对于树枝状角膜炎，治疗组和对照组的有效率分别为100%，88.24%；

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Objective: It is to explore the best method and opportunity of treatment for dendritic keratitis.

目的：探讨树枝状角膜炎的最佳治疗措施。

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The improved model was applied to simulate the dendritic features, in the cases of the free dendritic growth from an undercooled melt, competitive columnar growth in the directional solidification and equiaxed dendritic evolution.

应用改进的模型模拟了不同择优取向的单枝晶在过冷熔体中的自由生长、定向凝固过程中柱状晶的竞争生长以及等轴晶的演变过程。

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Progress of Dendritic Morphology Evolution during Solidification Process

凝固过程中枝晶组织形貌演变模拟进展

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