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- Along with the increase of melt superheat time, the primary dendrite arm spacing decreases and the microstructure is refined. 随着熔体过热时间的延长，一次枝晶间距减小，组织越来越细密；
- Keywords directional solidification;superheat treatment;primary dendrite arm spacing;melt structure;solidification microstructure; 定向凝固;过热处理;一次枝晶间距;熔体结构;凝固组织;
- primary dendrite arm spacing 一次枝晶间距
- A higher carbon content in the steel was favorable to form short and thick primary dendrites as well as wider primary dendritic arm spacings (PDAS) and coarsening columnar structure. 碳含量高，容易形成长宽比小的一次枝晶，并且一次枝晶臂间距增宽，容易形成粗大的柱状晶组织；
- Influential factors of primary dendritic arm spacing in high-carbon steel billets 高碳钢小方坯的一次枝晶臂间距的影响因素
- We can obtain the relationship between dendrite arm spacing and cooling rte by analyzing the result. 对AZ91合金得到冷却速率与枝晶间距的经验关系式为y=62.;861x-0
- The effect of counter-pressure casting parameters on secondary dendrite arm spacing (SDAS)of A357 alloy was studied. 研究了差压铸造不同工艺参数对A357合金二次枝晶间距的影响。
- The effect of counter-pressure casting parameters on secondary dendrite arm spacing of A357 alloy under different technology was studied. 研究了不同工艺条件下,差压铸造不同工艺参数对A357合金二次枝晶间距的影响。
- primary dendritic arm spacing 枝晶臂间距
- With the increase of the cooling rate, both the grain size and secondary dendrite arm spacing of A357 alloy decrease, and the distribution of Si phase is changed from a chain to a short strip or short bar. 随着冷却速率的提高,A357合金的晶粒尺寸和二次枝晶间距减小,Si相由链状分布变为短条状或短棒状分布。
- By increasing the speed of cooling, the dendrite arm spacing of austenite, especially the secondary dendrite arm spacing, could be decreased evidently, which was advantaged to improve the synthetic mechanical properties. 冷却速度增加可明显减小初生奥氏体的枝晶间距，特别是二次枝晶间距的缩小，对提高中铬铸铁的综合力学性能非常有利。
- Keywords antimony;primary austenite;secondary dendrite arm spacing; 锑;初生奥氏体;二次枝晶臂间距;
- Research on Secondary Dendrite Arm Spacing 二次枝晶臂间距的研究
- Dendrite Arm Spacing in ZL105 Alloy Castings ZL105合金铸件中的二次枝晶间距
- secondary dendrite arm space(DAS) 二次枝晶间距
- secondary dendrite arm space(SDAS) 二次枝晶间距
- The results showed that primary dendritic arms in the billets were becoming coarser and shorter with evolvement of solidification. 碳含量高,容易形成长宽比小的一次枝晶,并且一次枝晶臂间距增宽,容易形成粗大的柱状晶组织;
- Dendrite Arm Spacing in Cylindrical Castings of ZL101 Alloy ZL101合金圆柱体铸件中的二次枝晶间距
- INFLUENCE OF ANTIMONY ON SECONDARY DENDRITE ARM SPACING OF PRIMARY AUSTENITE OF HYPOEUTECTIC GREY IRON 锑对亚共晶灰铁初生奥氏体二次枝晶臂间距的影响
- Abstract The relations between the La, Ce, (La+Ce) rare earths compounds and the dendritical arm space( l DAS ) in ZL105 alloy cylindrical casting were studied. 针对ZL105合金圆柱体铸件，考查了镧、铈和镧铈混合稀土与二次枝晶间距的关系。
