冲击喷雾中大量固体成核剂的产生导致精细的等轴微结构。
The generation of a large population of solid nucleants in the impacting spray leads to a fine equiaxed microstructure.
解决这一问题的关键是扩大铸坯等轴晶区比例,细化晶粒。
The key to solve these problems is enlarging equiaxed grain zone and fining grain size.
结果表明:名义尺寸相同而实际尺寸相差较大的磨球所磨出的粉体粒度大且分布不均匀,烧结体硬质相颗粒粗大且等轴性差,抗弯强度和硬度均较低。
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.
柱状晶向等轴晶转变(CET)是在一定的凝固过程中必须控制的一种显微组织转变。
The columnar to equiaxed transition (CET) is a kind of microstructural transformation in certain solidification, which should be controlled.
产于侵入岩中的辉石一般呈等轴的粒状。
Tou Huishi). Pyroxene in intrusive rock is generally equiaxed grain.
柱状晶向等轴晶转变(CET)的研究具有重要意义,数值模拟是其有效的研究方法之一。
It is of great significance to the research of columnar-to-equiaxed transition (CET), and numerical simulation is one of the valid methods.
试验结果表明,随着退火温度的升高电铸镍药型罩的显微硬度明显降低,内部晶粒呈现等轴晶形态。
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.
根据等轴枝晶生长过程的物理机制,改进了等轴枝晶生长的溶质扩散模型。
In the light of physical mechanism of equiaxed dendrite growth, solute diffusion models for equiaxed growth was improved.
过滤后铸棒组织中的柱状晶区缩小,中心等轴晶区扩大、晶粒度降低。
The area of columnar structures decreased, and that of equiaxed crystals enlarged. The grain size reduced.
研究了凝固潜热对过冷合金熔液中的等轴枝晶生长以及溶质场和温度场的分布的影响。
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.
当磁感应强度和频率匹配合适时,焊缝成形良好,焊缝组织几乎为细小的等轴晶。
With optimum magnetic intensity and frequency, the weld microstructures were almost fine equiaxed grains and the weld shape was.
细小致密的等轴状晶粒、玻璃相少的陶瓷球的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.
通过引入异质形核模型、枝晶生长模型、几率形核基底模型,借鉴单元自动生长机制,仿真了等轴晶、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.
控制生产工艺条件,获得发达等轴枝晶组织,是提高灰铸铁强度性能的重要技术措施之一。
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.
等轴非枝晶的形成机制被认为是“包晶反应机制”。
The Equiaxed non-dendrites are considered to form through a peritectic reaction mechanism.
在《分析力学》的立体图示中使用斜二等轴测图(简称斜二测),可使立体图示更加准确、完善,教材更完美。
The use of the axonometric drawing in Analytical Mechanics can make the stereogram more exact, and teaching materials more precise.
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被等轴晶取代。
When the nuclear temperature increases, less columnar crystals at the border of the sample are observed and equiaxed crystals form.
两平面交线课件主要功能用于求解各种位置两平面交线的端点、绘制两平面交线的正等轴测投影和三面投影。
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.
退火后,孪晶逐渐消失,形成等轴的再结晶晶粒。
The twins disappeared gradually and recrystallized grains formed after annealing.
本文研究了TC_6钛合金片状、网篮、等轴和双态组织的振动疲劳性能。
The vibration fatigue characteristics of TC6 titanium alloy with Widmanstatten, basket-weave, equiaxed and duplex microstructures have been studied.
焊核区发生动态再结晶,生成细小的等轴晶粒。
Dynamic recrystallization takes place in the weld nugget zone and fine grains are achieved.
加热速度仅影响到等轴晶粒的均匀性;
The heating rate only has influence on the uniformity of the crystal dimension.
从结晶器施加电脉冲的输入能量、电脉冲频率、钢液过热度角度,探讨电脉冲技术提高铸坯等轴晶率的效果。
The improvement of slab equiaxed crystal ratio by electric pulse on liquid steel in continuous casting mould of Panzhihua steel No.
观察结果表明AA5182的晶粒在变形前后保持等轴状态不变,而6016的晶粒在变形中被拉长。
The results show that the grain of AA5182 keeps equiaxed before and after deformation, while that of 6016 was elongated due to tension deformation.
退火后,孪晶逐渐消失,形成等轴的再结晶晶粒。
The twinning disappeared gradually and recrystallized grains formed after annealing.
从结晶器施加电脉冲输入能量、钢液过热度、电极间距三方面,探讨电脉冲处理提高铸坯等轴晶率的效果。
The improvement of slab equiaxed crystal ratio by electric pulse on liquid steel in continuous casting mould at Pan steel slab castor No.
其中,焊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.
焊核区由于动态再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.
TEM观察表明绝热剪切带(asb)中心区域由30- 70纳米的等轴晶组成。
TEM observation showed that the center of the adiabatic shear band (ASB) was composed of recrystallized nano-grains (about 30-70 nm in diameter).
TEM观察表明绝热剪切带(asb)中心区域由30- 70纳米的等轴晶组成。
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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