1) Dendrite arm
枝晶臂
1.
On the basis of dendrite arm alignment on the intersection plane, traces of a known crystal plane were made on the alloy surfaces.
根据枝晶臂截面排列方向作已知晶面在合金表面上的痕迹 ,由此确定铸造合金的晶体位向及定向切割线。
2) 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。
3) 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。
4) 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。
5) second dendrite arm spacing
二次枝晶臂距
1.
Through the analyzing of the simulated results of the solid fraction, solidification time and second dendrite arm spacing, it is found that, in the upper side and the right side of axis box, it is easy to cause the pores and the second dendrite arm spacing is also easily to grow coarser than those in other places.
通过对固相分数、凝固时间和二次枝晶臂距大小分布的分析,可以看出在充型过程和随后的冷却过程,在轴箱的上部和前端靠近直浇道侧容易产生缩松并且二次枝晶臂距较为粗大。
6) dendrite secondary arm spacing
枝晶二次臂间距
补充资料：多晶莫来石晶须(纤维)
分子式：
CAS号：
性质：莫来石相为主晶相的多晶纤维。化学成分为Al2O3 72％～77％，SiO222％～17％，B2O3 3％～5％，P2O51.5％～3.0％。纤维直径2～7μm，纤维长度20～125μm。使用温度1350℃。多采用溶胶-凝胶法制造。主要用作补强填料，也可作为轻质、隔热保温材料使用。
CAS号：
性质：莫来石相为主晶相的多晶纤维。化学成分为Al2O3 72％～77％，SiO222％～17％，B2O3 3％～5％，P2O51.5％～3.0％。纤维直径2～7μm，纤维长度20～125μm。使用温度1350℃。多采用溶胶-凝胶法制造。主要用作补强填料，也可作为轻质、隔热保温材料使用。
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