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。
英文短句/例句
1.RELATIONSHIP BETWEEN COOLING RATE AND SECONDARY DENDRITE ARM SPACING FOR STEEL No. 4545号钢二次枝晶臂间距与冷却速度的关系
2.Effect of secondary dendritic arm spacing on center carbon segregation of slab连铸板坯二次枝晶臂间距对中心碳偏析的影响
3.The Influences of SDAS on the Aging Kinetics of A357 Alloy二次枝晶臂间距对A357合金时效动力学的影响
4.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
5.Research on Primary Dendritic Spacing under Unidirectional Solidification of Al-Cu Alloys;Al-Cu合金定向凝固一次枝晶间距的研究
6.Study on modeling of solute concentration distribution in secondary dendrite during solidification of molten steel钢凝固过程中二次枝晶间溶质分布的模型研究
7.INFLUENCE OF WITHDRAWING RATE TRANSITION ON THE PRIMARY DENDRITE ARM SPACING AND MICROSEGREGATION OF DIRECTIONALLY SOLIDIFIED SINGLE CRYSTAL SUPERALLOY DD3抽拉速率跃迁对定向凝固单晶高温合金DD3一次枝晶间距和微观偏析的影响
8.A Numerical Model and Simulation of Cellular/Dendritic Array with Forced Convection;强迫对流对胞、枝晶间距影响的数值模型与模拟
9.The Effect of Permanent Mold on the Arm-Spacing and the Fatigue Fructographies of the Low Chromium V-Ti White Cast Iron;金属型铸造对低Cr─V─Ti白口铸铁枝晶间距和断口形貌的影响
10.Research on Safety Distance between Gas Pipeline and Foundation Ditch of Cantilever Piles燃气管道与悬臂桩基坑安全间距研究
11.Growth of Two-Dimensional Dendrite in Jet-Electrodeposition with Point Anode点阳极射流电沉积中二维枝晶的生长
12.Melting Control of 3 t/h Spacious Twin-Tuyeres Cold Blast Cupola3t/h两排大间距二次送风冷风冲天炉的熔炼控制
13.The ball has been dropped every year except for two years during World War Two.除了第二次世界大战期间的两年外,每年都降下水晶球。
14.reflected binary unit-distance code反射二进制单位间距码
15.C. Fully extend arm midway between client and yourself, then move it centrally with fingers moving.检查者手臂前伸至与受检者距离中间处,移动手臂并不断摆动手指。
16.He gave two arms in the Second World War在第二次世界大战中, 他失去了双臂。
17.Determination method of attachment spacing and cantilever height in tower crane塔式起重机附着间距及悬臂高度的确定
18.Application of RHEED in the Calculation of Al_2O_3 Interplanar DistanceRHEED在计算Al_2O_3晶面间距中的应用
相关短句/例句
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。
延伸阅读
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。