| 1. | Numerical simulation of macro - segregation with equiaxed grains movement
等轴晶移动对宏观偏析影响的数值模拟
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| 2. | Forming process analysis of equiaxed grain in weld nugget zone during friction - stir welding of aluminum alloy
铝合金搅拌摩擦焊接头焊核区等轴再结晶组织的形成机制
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| 3. | Electromagnetic constrained forming technology and the formation mechanism of its product : equiaxed grain structure
电磁约束成型技术及所制备材料等轴晶组织的形成机制
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| 4. | In one , equiaxed dendrites form and subsequently ripen into more - or - less spheroidal shape , suitable for forming
一个是先形成由等轴晶粒构成的晶枝体，再熟化形成类似的球状体。
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| 5. | The microstructure of as - deposit hypereutectic ai - si - cu - mg alloy is composed of particulate - shaped si particle and equiaxed grain a - al and few interstices
多层喷射沉积高硅铝合金的显微组织由- al基体，初晶硅及孔隙组成。
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| 6. | 4 . after continuously heated and isothermally soaked , the equiaxed grain , as the result of the recrystallization , was the necessary texture condition of the semi - solid grain ' s globalization processing
4 、连续升温和等温保温过程中再结晶形成等轴晶，为半固态晶粒球状化提供了必西安理工大学硕士学位论文要的组织条件
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| 7. | When ct20 alloy was tensioned at 20k , the main deformation mechanism in equiaxed microstructure was the slip of dislocations , and in bimodal microstructure the slip of dislocations and a small amount of twinning and in lamellar microstructure a large amount of twinning
Ct20合金20k拉伸变形时，等轴组织主要是位错的滑移起主导作用，双态组织除了位错滑移外还有少量的变形孪晶产生，片状组织中则能观察到数量较多的孪晶。
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| 8. | The globalization course was that the preformed texture recrystallized and became the granular equiaxed grain , when the temperature rose and the holding time prolonged , the granular grain melted at some area and at the liquid - solid interface the grain globalized at the role of the curvature overheated
过程机制为：挤压形变组织在加热过程中首先发生再结晶长大变为颗粒状等轴晶；随温度升高和保温时间延长，等轴晶发生局部熔化，液固界面的曲率过热使晶粒外形向球状转变。
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| 9. | Influenced by the alternating current field , all of the eutectic microstructure of al - 20si - 5fe - ti alloy changed into very small particles which is well - distributed on the base of a - al . electromagnetic stirring stimulates the forming of equiaxed crystal in al - 20si - 5fe - mn alloy . primary iron - phase is transformed from thick needle into smooth block
电磁搅拌促进al - 20si - 5fe - xmn合金中等轴晶的生成，初生富铁相由原来粗厚的片状物转化成比较圆整的块状，共晶组织中铁相主要以较短的针片状存在。
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| 10. | When the specimens are deformed in a long time at the optimal superplastic deformation condition , the microstructure is coarsened sharply . if the deformation time is shortened properly or the deformation temperature is decreased appropriately or strain rate is increased , homogeneous and fine equiaxed crystal microstructure can be obtained
在最佳超塑性条件下长时间变形时，合金显微组织将发生明显粗化，适当缩短变形时间、或适当降低超塑变形温度及提高应变速率，可得到均匀细小的等轴组织。
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