1) Dendritic Arm Spacing
枝晶臂间距
1.
The dendritic arm spacings and microsegregations of directionally solidified superalloy DZ22 at various solidification rates have been studied with the help of a ZMLMC directional solidification equipment.
采用新研制的超高梯度定向凝固装置，研究了不同凝固速率下定向凝固高温合金ＤＺ２２的枝晶臂间距和枝晶偏析。
2) secondary dendrite arm spacing
二次枝晶臂间距
1.
The quantity of primary phase α increases and the eutectoid (α+η) decreases with the increase of aluminum contents in the alloy, while the secondary dendrite arm spacing of the alloy has no remarkable change.
随着铝含量的增多,合金中的初生α相增多,共析体减少,合金的二次枝晶臂间距变化不明显;同时合金的耐磨性随铝含量的增多而增大。
2.
It has been found that the secondary dendrite arm spacing of the former is smaller than that of the latter and the decrease trend with increasing titanium content is similar for both kinds of alloys.
研究了不同含钛量(分别为0 07%Ti、0 13%Ti、0 19%Ti)的原位钛合金化A356合金的微观组织和力学性能,并与相应含钛量熔配加钛A356合金进行了对比,发现原位钛合金化A356合金的二次枝晶臂间距小于熔配加钛合金,随着钛含量增加二次枝晶臂减小且趋势相同。
3.
The directional solidification method was used to investigate the secondary dendrite arm spacing of primary austenite of hypoeutectic Fe-C-Si-Mn alloy with various antimony contents.
采用定向凝固方法研究了不同锑含量的亚共晶Ｆｅ－Ｃ－Ｓｉ－Ｍｎ合金初生奥氏体二次枝晶臂间距。
3) SDAS
二次枝晶臂间距
1.
The study of secondary dendritic arm spacing(SDAS) in high carbon steel billets shows that the SDAS decreases with application of M-EMS or increase with secondary cooling intensity,and the SDAS increases with increase of superheat and casting speed.
通过研究高碳钢小方坯连铸参数对铸坯二次枝晶臂间距的影响发现:采用结晶器电磁搅拌、加大二冷比水量,二次枝晶臂间距减小;过热度升高、拉速增大,二次枝晶臂间距增大。
4) dendrite secondary arm spacing
枝晶二次臂间距
5) Primary Dendritic Arm Spacing
一次枝晶臂间距
6) dendritic distance
枝晶间距
1.
The results show that the variety of segregation parameter is the highest when dendritic distance is 80 μm～120 μm,and the calculated and experimented result of segregation index δ has a .
研究结果认为:偏析指数的变化量Δδ在枝晶间距为80μm～120μm时减小量最大,并且在枝晶间距为120μm的条件下,合金在1160℃退火8h和16h的Nb元素的δ计算值与实验值较符合。
补充资料：晶面间距
分子式：
CAS号：
性质：晶体实际生长出或可能生长出的每种晶面总可找到与之对应的一组等间隔而又互相平行的平面点阵或平面格子。晶面间距定义为与晶面对应的平面点阵组中相邻平面点阵间的垂直距离，用d(h* k* l*),符号表示(下标h* k* l*是与某种晶面对应的晶面指标)。需注意，带心晶格相对于简单晶格，在晶面间距计算中要作一定修正。
CAS号：
性质：晶体实际生长出或可能生长出的每种晶面总可找到与之对应的一组等间隔而又互相平行的平面点阵或平面格子。晶面间距定义为与晶面对应的平面点阵组中相邻平面点阵间的垂直距离，用d(h* k* l*),符号表示(下标h* k* l*是与某种晶面对应的晶面指标)。需注意，带心晶格相对于简单晶格，在晶面间距计算中要作一定修正。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条