directionalsolidification相关论文
Directionally solidified single crystal superalloy test bars were prepared by the spiral grain selection method. The mic......
Numerical study of growth competition between twin grains during directional solidification by using
A multi-phase field model is established to simulate the growth competition and evolution behavior between seaweed and c......
High Temperature Tensile Property and Fracture Behavior of Directionally Solidified Fe-Al-Ta Eutecti
Fe-Al-Ta eutectic composites with solidification rates of 6, 20, 30, 80 and 200μm/s were obtained by a modified Bridgma......
采用定向凝固方法制备不同温度梯度下的高锌Al-Zn-Mg-Cu合金,表征了该合金的一次枝晶臂间距λ1、二次枝晶臂间距λ2以及其维氏硬度......
Formation mechanisms and control method for stray grains at melt-back region of Ni-based single crys
An experimental study together with numerical simulation was conducted to investigate the formation mecha-nisms and cont......
Migration behavior and aggregation mechanism of SiC particles in silicon melt during directional sol
SiC inclusions in a multicrystalline silicon ingot have a negative effect on the performance of solar cells. The migrati......
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In situ Study on the Growth Behavior of Primary Al3Ni Phase in Solidifying Al-Ni Alloy by Synchrotro
The growth behavior of Al3Ni intermetallic compounds (IMCs) during the directional solidification of Al-10 wt％ Ni alloy w......
Microstructure Evolution and Growth Orientation of Directionally Solidified Mg-4 wt％ Zn Alloy with D
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Microstructures and oxidation behaviors of four Dy-doped Nb-Si-based alloys at 1250 ℃ were investigated.The nominal com......
Microstructure and Solid/Liquid Interface Evolutions of Directionally Solidified Fe-Al-Ta Eutectic A
A modified Bridgman directional solidification technique was used to prepare Fe-Al-Ta eutectic in situ composites at dif......
Effect of solutal natural convection on dendritic tip splitting instability investigated by a quanti
Previous diffusion-controlled quantitative phase-field simulations of Al-4wt.%Cu alloy during the initial transient dire......
Preparation, microstructure and dislocation of solar-grade multicrystalline silicon by directional s
Silicon solar cell has become the most important energy materials used in the photovoltaic (PV) industry field.In order ......
Numerical simulation of LMC directional solidification of Ni-based superalloy industrial gas turbine
Industrial Gas Turbine blades are the key component of gas turbines.For the large size blade casting, liquid metal cooli......
The migration of liquid droplets in a solid phase caused by temperature gradient zone melting (TGZM) is simulated by emp......
采用电子束熔炼及定向凝固相结合的装置对具有高磷含量的次等级硅料进行提纯,并采用提纯后的硅料进行铸锭,最终制作成太阳能电池片......
Effect of Ce on solute redistribution in liquid ahead of solid-liquid interface during solidificatio
The high efficiency of Ce addition in grain refinement of 8-ferrite in a cast Fe-4 wt.％Si alloy was verified.In order to ......
Influence of platform position on stray grain nucleation in Ni-based single-crystal dummy blade clus
Stray grains are the most severe of the solidification defects that occur in the industrial single-crystal blade prepara......
Effect of mould baffle technology on stray grain formation in single crystal blades by integral fabr
Stray grains, the most serious casting defect, mainly occur in the platform because of the abrupt transition of the cros......
与其他合金系不同,本文通过对定向凝固Sn-Ni包晶合金中枝晶状糊区的观察发现,雀斑缺陷在包晶反应前后的两个不同区域出现.此外,实......
The effect of different scales thermoelectric magnetic convection(TEMC)on the radial solidification microstructure of hy......
The effect of a high magnetic field on the microstructural evolution of a peritectic Al-18 at.％Ni alloy during directiona......
Macrosegregation and thermosolutal convection-induced freckle formation in dendritic mushy zone of d
Compared with the growing applications of peritectic alloy,none research on the freckle formation during peritectic soli......
Rapid directionally solidified microstructure characteristic and fracture behaviour of laser melting
Aiming at achieving fine and directionally-solidified microstructure of Nb-Si based alloy,Nb,Si and Ti powder particles ......
Directional solidification behavior of turbine blades in DZ125 alloy:design of blade numbers on asse
The influence of blades assembly,i.e.,the blade number on the solidification process,heat exchange and grain structure o......
Influence of the low voltage pulsed magnetic field on the columnar-to-equiaxed transition during dir
The low voltage pulsed magnetic field (LVPMF) disrupts the columnar dendrite growth,and the columnar-to-equiaxed transit......
Beta flecks are one of the most common defects occur in some α + β and β titanium alloys.In this study,formation of b......
采用Bridgman型定向凝固法制备出藕状多孔Mg-Zn合金.研究了不同锌含量和氢气压力对气孔形貌的影响.通过理论计算对Mg-1Zn(质量分数......
本研究探索了光悬浮区熔法制备Al2O3/Er3Al5O12(ErAG)和Al2O3/Yb3Al5O12(YbAG)定向凝固共晶陶瓷.在10 mm/h的抽拉速率下成功获得了......
DEPENDENCE OF MICROSTRUCTURE SCALES OF EUTECTICS ON Ca-Si MODIFIER AMOUNT IN AUSTENITE STEEL COMPOSI
Results presented in this paper contribute to investigation of the effect of the added Ca-Si modifier amount (αk) on th......
研究了真空悬浮定向凝固工艺生产的稀土磁致伸缩材料的热处理及其对材料组织、性能的影响，结果表明，定向凝固工艺生产的材料可以沿轴......
本文利用自行研制的超高梯度定向凝固装置（ＺＭＬＭＣ），考察镍基高温合金Ｋ５在不同的凝固速率下特别是在高速下定向组织的生长行为。研究表明，利用该......
