1) secondary dendrite arm spacing
二次枝晶间距
1.
Effect of Chill on Secondary Dendrite Arm Spacing of Aluminum Alloy Casting;
冷铁对铝合金铸件二次枝晶间距的影响
2.
Based on the resin bonded sand casting process,the effects of chill processes on the secondary dendrite arm spacing(SDAS) and densification of Al-Si-Mg alloy were studied.
基于Al-Si-Mg合金的树脂砂铸造过程,研究了冷铁工艺对Al-Si-Mg合金铸件二次枝晶间距(SDAS)及致密度的影响。
3.
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。
2) dendrite arm space
二次枝晶间距
1.
The effect of characteristic parameters on differential thermal analysis curve, solidification setup temperature and cooling rate on dendrite arm space (λ DAS ) was studied, and IAS-4 Image Analysis System was used for microstructural examination.
本文采用差热分析方法研究DTA曲线特征参数、凝固开始温度和冷却速率对二次枝晶间距λDAS的影响 ,同时使用IAS - 4图像分析系统分析了合金的微观组织 。
2.
The relationships of solidification time ( τ ), temperature gradient ( G ), freezing index (f i ),temperature gradient acceleration ( a GAP ) , dendrite arm space ( λ DAS ), hole ratio ( P ) and ultimate tensile strength ( σ b) of the cylindrical ZL105, ZL101, ZL109 Al Si alloy castings have been studied under the condition of the sand mold casting .
针对ＺＬ１０５，ＺＬ１０１，ＺＬ１０９铝硅合金圆柱体铸件，在砂型铸造条件下，研究了凝固时间τ，温度梯度Ｇ，凝固指数ｆｉ，温度梯度加速度ａＧＡＰ与铸件二次枝晶间距λＤＡＳ，孔洞率Ｐ和极限抗拉强度σｂ之间的关系。
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) dendrite secondary arm spacing
枝晶二次臂间距
6) primary dendrite arm spacing
一次枝晶间距
1.
Effect of Al-Cu alloys diameter on thermal gradient and primary dendrite arm spacing during directional solidification;
试样直径对Al-Cu合金定向凝固温度梯度和一次枝晶间距的影响
2.
At withdrawn rate of 50μm/s,the primary dendrite arm spacing is decreased from 177μm to 150μm and 125μm when the superheating temperature is increased from 1500℃to 1640℃and 1780℃respectively,theγ′are refined in both dendrite c.
结果表明:合金熔体在1380—1650℃发生一系列的结构变化;当抽拉速率为50μm/s时,随熔体超温处理温度由1500℃升至1640和1780℃,合金一次枝晶间距由177μm分别减至150和125μm,枝干与枝间γ′相的尺寸减小,且枝间γ′相形貌变得规整。
3.
The results show that the primary dendrite arm spacing of the superheated samples at 950 and 1 050 ℃ decreases 31.
结果表明:经过950℃和1 050℃过热处理的一次枝晶间距比在750℃常规过热直接定向凝固的分别减小了31。
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