• 冲击喷雾大量固体成核剂产生导致精细等轴微结构。

    The generation of a large population of solid nucleants in the impacting spray leads to a fine equiaxed microstructure.

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  • 解决问题关键扩大铸坯等轴区比例细化晶粒

    The key to solve these problems is enlarging equiaxed grain zone and fining grain size.

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  • 结果表明:名义尺寸相同而实际尺寸相差较大所磨出的粉体粒度分布均匀烧结硬质颗粒粗大且等轴性差,抗弯强度和硬度均低。

    It is found that the grain size of the powders milled by balls with different diameters is big, the hard phase is big too and not uniform, the hardness and bending strength are also lower.

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  • 状晶等轴转变CET一定凝固过程必须控制显微组织转变

    The columnar to equiaxed transition (CET) is a kind of microstructural transformation in certain solidification, which should be controlled.

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  • 产于侵入中的辉石一般轴的粒状

    Tou Huishi). Pyroxene in intrusive rock is generally equiaxed grain.

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  • 柱状晶等轴转变(CET)研究具有重要意义,数值模拟有效研究方法之一

    It is of great significance to the research of columnar-to-equiaxed transition (CET), and numerical simulation is one of the valid methods.

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  • 试验结果表明随着退火温度升高药型显微硬度明显降低内部晶粒呈现等轴形态

    Experimental results indicate that the micro-hardness of electroformed nickel shaped charge liner decreases obviously as the annealing temperature rising and the grains show equiaxed in shape.

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  • 根据生长过程物理机制,改进等轴生长溶质扩散模型

    In the light of physical mechanism of equiaxed dendrite growth, solute diffusion models for equiaxed growth was improved.

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  • 过滤后铸棒组织中的柱状晶缩小,中心等轴扩大晶粒降低

    The area of columnar structures decreased, and that of equiaxed crystals enlarged. The grain size reduced.

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  • 研究凝固潜热对过合金中的等轴枝晶生长以及溶质温度分布影响

    The effects of solidification latent heat on the growth of equiaxed dendrite, distribution of solute field and temperature field in undercooled liquid alloy were analyzed.

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  • 磁感应强度频率匹配合适时,焊缝成形良好,焊缝组织几乎细小等轴晶。

    With optimum magnetic intensity and frequency, the weld microstructures were almost fine equiaxed grains and the weld shape was.

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  • 细小致密等轴晶粒玻璃陶瓷滚动接触疲劳性能优于长针状晶粒、玻璃相多的陶瓷球。

    The rolling contact fatigue performance of ceramic balls with fine compact equal-axis grain and fewer glass phase exceeds that of those with slightness-needle grain and more glass phase.

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  • 通过引入异质模型生长模型、几率形核基底模型,借鉴单元自动生长机制,仿真晶、柱状晶组织形成的过程。

    Based on the cellular automata technique, the heterogeneous nucleation model, dendrite growth model and random nucleation model are used to simulate the formation of equiaxed and columnar dendrite.

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  • 控制生产工艺条件获得发达等轴枝晶组织提高灰铸铁强度性能重要技术措施之一

    Controling conditions of production process to obtain developed isometric dendrite structure is one of the important measures to increase the strength property of gray iron.

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  • 等轴非枝晶的形成机制认为是“包晶反应机制”。

    The Equiaxed non-dendrites are considered to form through a peritectic reaction mechanism.

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  • 分析力学立体图示中使用(简称斜二测),使立体图示更加准确、完善,教材完美

    The use of the axonometric drawing in Analytical Mechanics can make the stereogram more exact, and teaching materials more precise.

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  • 核化温度升高后样品边界定向生长的柱状晶组织减少甚至晶取代

    When the nuclear temperature increases, less columnar crystals at the border of the sample are observed and equiaxed crystals form.

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  • 平面线课件主要功能用于求解各种位置两平面交线端点绘制两平面交线的正等轴投影三面投影。

    This courseware is used for finding the position of the endpoint of two intersecting triangles and drawing the surfaces, the isometric projection of the intersecting line and three-plane projection.

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  • 退火逐渐消失,形成结晶晶粒。

    The twins disappeared gradually and recrystallized grains formed after annealing.

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  • 本文研究了TC_6钛合金片状网篮等轴组织振动疲劳性能

    The vibration fatigue characteristics of TC6 titanium alloy with Widmanstatten, basket-weave, equiaxed and duplex microstructures have been studied.

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  • 发生动态再结晶,生成细小等轴晶粒。

    Dynamic recrystallization takes place in the weld nugget zone and fine grains are achieved.

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  • 加热速度影响等轴晶粒均匀性;

    The heating rate only has influence on the uniformity of the crystal dimension.

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  • 结晶器施加电脉冲输入能量、电脉冲频率、过热度角度,探讨电脉冲技术提高等轴的效果。

    The improvement of slab equiaxed crystal ratio by electric pulse on liquid steel in continuous casting mould of Panzhihua steel No.

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  • 观察结果表明AA5182晶粒变形前后保持等轴状态不变,6016的晶粒变形中拉长

    The results show that the grain of AA5182 keeps equiaxed before and after deformation, while that of 6016 was elongated due to tension deformation.

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  • 退火逐渐消失,形成轴的结晶晶粒。

    The twinning disappeared gradually and recrystallized grains formed after annealing.

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  • 结晶器施加电脉冲输入能量、过热度、电极间距三方面,探讨电脉冲处理提高等轴的效果。

    The improvement of slab equiaxed crystal ratio by electric pulse on liquid steel in continuous casting mould at Pan steel slab castor No.

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  • 其中,核为明显的再结晶等轴晶粒,晶粒明显细化

    The weld nugget had a dynamic recrystallized, fine isometric crystal structure.

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  • 核区由于动态结晶具有细小的等轴晶粒,旁边存在一个特殊的组织形貌——热机影响区域。

    The fine grain and narrow HAZ were found in friction stir weld and the dynamic recrystallization produces fine grain.

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  • TEM观察表明绝热剪切(asb)中心区域由30- 70纳米等轴组成

    TEM observation showed that the center of the adiabatic shear band (ASB) was composed of recrystallized nano-grains (about 30-70 nm in diameter).

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  • TEM观察表明绝热剪切(asb)中心区域由30- 70纳米等轴组成

    TEM observation showed that the center of the adiabatic shear band (ASB) was composed of recrystallized nano-grains (about 30-70 nm in diameter).

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