Cooling the melt (in a quiescent state) to achieve the desired solid fraction.
冷却镕融金属(静态下)获得理想的固态粒度。
Semi-solid forming; Al-Pb Alloy; Mechanical agitation; Temperature; Solid fraction;
半固态成型;铝铅合金;机械搅拌;温度;固相率;
A calculation of the properties of the solid fraction of a rock from the combination of two logs.
用两种测井曲线组合起来确定岩石固体部分百分数含量的计算值。
The software can be used for analyzing solid fraction and grain size in microstructure of semi solid metal.
该软件能分析半固态金属金相组织中的固相组分及晶粒尺寸。
From the results of heat transfer model, generally used critical solid fraction and limit solid fraction, the soft reduction zone was obtained.
结合传热模型计算的温度分布和普遍使用的临界固相率、极限固相率,得出了轻压下的压下区域。
The finite element method (FEM) model was established to predict the temperature field, shell growth and solid fraction of the heavy rail bloom caster.
采用有限元方法,对某钢厂的重轨钢大方坯连铸机的凝固过程温度场分布情况、坯壳生长规律和凝固率进行了模拟研究。
The simulated process of solidification also shows some results as follows: 1 There is no direct relationship between the distribution of solid fraction and of liquidus.
通过凝固过程模拟分析还得出了以下主要结果:1凝固过程中的固相分数分布与液相线分布之间没有确定的直接联系。
According to the simulated temperature fields and solid fraction, the hot spot and shrinkage porosity are not found in the bolster casting, so the new casting process is feasible.
温度场和固相分数的模拟结果表明,铸件没有产生热节和缩孔缺陷,表明了新工艺的可行性。
Concept of critical feeding of solid fraction has been amended, and new concept of dynamic critical feeding of solid fraction under the vertical centrifugal condition was introduced.
修正了临界补缩固相率的概念,提出了立式离心铸造条件下的动态临界补缩固相率新概念。
Furthermore, we investigated the thermal conductivity in the mixed system. Found that the thermal conductivity changed with the solid fraction, structural character parameter and fractal dimension.
并以此研究了混合颗粒系统中的热传导,研究发现此混合系统的有效热导率将随着固体体积百分比,系统结构特征参数和分形维数的变化而变化。
Theoretical cooling curves, the relationship between cooling curve, fraction of solid and liberation of latent heat per unit time, and experimental results are presented.
给出了理论冷却曲线、冷却曲线、固相率及单位时间内潜热释放速度之间的关系及实验结果。
Both solid volume fraction and dispersant volume fraction had some effects on shrinkage and density of green body.
固相质量分数和引发剂质量分数都会影响坯体的线性收缩率和密度。
The influences of strain rate, liquid volume fraction and liquid viscosity on the deformation force of semi solid compression of metals between two parallel plates were investigated according to…
结果表明 ,液体粘度对变形力几乎没有影响 ,变形力随轴向应变速率绝对值的增加而增加 ,随液体体积分数的增加而明显减少。
The composite skirts for solid rocket motor shells fabricated by VARTM (VacuumAssisted Resin Transfer Molding) had poor mechanical properties because the fiber volume fraction was very small.
VARTM工艺成型的固体火箭发动机壳体复合材料连接裙段构件纤维体积含量较低,复合材料力学性能不佳。
The results show that the particle size has a core-annular flow pattern in radial position and solid volume fraction is much denser at the bottom of the riser.
结果表明:颗粒在管内呈环—核流动结构,固含率在轴向上呈“上稀下浓”的分布特征。
The organic fraction of municipal solid waste (OFMSW) is composed of various substance and its limiting step of anaerobic digestion resulting in reducing biogas production and process stabilization.
由于城市有机生活垃圾成分的复杂性和厌氧消化的限速步骤的影响,导致厌氧发酵的速度比较缓慢、产气量较少和工艺不稳定等问题。
With the decreasing of superficial gas velocity or increasing of solid mass flux, solid volume fraction at different axial positions increases simultaneously, while the particle velocity decreases.
随着表观气速的减小或颗粒循环量的增大,不同轴向位置的颗粒浓度都呈现增大的趋势,颗粒速度则降低。
Influences of the elastic module ratio and the volume fraction of solid phases on optimal design are investigated.
采用分层优化方法并结合算例研究了实体材料模量相对比值、材料组分变化对优化结果的影响。
When solid volume fraction ranged from 0.01 to 0.05, granular temperature was in the transition region from dispersed values to well-regulated ones.
进一步分析表明固含率显著影响颗粒温度,当固含率为0.05~0.1,颗粒温度存在转折区。
PT95 was grown on corn meal solid medium containing appropriate mass fraction (MF) of elicitors, both its sclerotia biomass and carotenoid content in sclerotia were enhanced significantly ( P< 0.
当在玉米培养基中添加适量诱导子进行诱导培养时,青霉PT95菌株的菌核生物量和菌核中积累的类胡萝卜素含量有了显著的提高(P。
It is an effective new processing way for loading of the solid rocket motor with high loading density, high propellant mass fraction propellant.
为今后高装填密度、高质量比的发动机装药开拓出一条新途径。
It is an effective new processing way for loading of the solid rocket motor with high loading density, high propellant mass fraction propellant.
为今后高装填密度、高质量比的发动机装药开拓出一条新途径。
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