The effect of mechanical vibration on grain refinement and solidification shrinkage of aluminum was investigated in this paper.
研究了振动场对纯Al晶粒细化和凝固收缩的影响,并着重进行理论分析。
The several theory problems that should be paid more attention to,including heat flow rate,solidification shrinkage,mould wall distortion,taper design and corner radius,are put forward and illuminated.
提出并论述了高速方坯连铸结晶器冶金中结晶器热流、钢的凝固收缩、结晶器变形、锥度设计和圆角半径等问题,重点讨论了拉速、碳含量及润滑剂对热流的影响,不同碳含量的钢凝固收缩和相变特征以及结晶器热变形规律,提出了不同钢种的凝固收缩和相变收缩的计算方法和结晶器锥度、圆角半径的设计思路。
Evolvement of sintering shrinkage and chemical composition of millicron-Ti(CN) base cermets during sintering;
纳米Ti(CN)基金属陶瓷烧结收缩和化学成分的变化
Such phenomenon indicates that ZrO_2 has a baffling effect on sintering shrinkage ratio of glass particle.
随着ZrO2 加入量的增加,玻璃颗粒的烧结收缩率下降,说明ZrO_2 的加入对玻璃颗粒的烧结收缩有一定的阻碍作用。
Development and Application of Tester with Twin Bar for Alloy Solidification
双试棒合金凝固收缩力试验机的研制及应用
FINITE ELEMENT MATHEMATICAL MODEL OFINTERDENDRITIC LIQUID FLOW INCONSIDERATION OF EFFECT OFSOLIDIFICATION SHRINKAGE
计及凝固收缩的液固两相区中流场的有限元计算模型
Analytical study on new and old concrete shrinkage difference in bridge reinforcement
桥梁加固新老混凝土收缩差分析研究
Simulation for Shrinkage Defect in Nodular Cast Iron Solidification Process;
球墨铸铁件凝固过程收缩缺陷模拟研究
These blow holes counteract the shrinkage which occurs during solidification and no pipe is formed.
这些气泡抵消了凝固时出现的收缩,因此不会形成缩孔。
The Interface Stress Analysis of the Shrinkage Creep on Anchor Concrete Strengthening Structure
收缩徐变对锚喷混凝土加固结构产生的界面应力分析
To develop conical cavities during solidification.
形成缩管凝固时形成缩孔
Drying Shrinkage and Autogenous Shrinkage Experimental Research of High Performance Concrete;
高性能混凝土的干燥收缩和自生收缩试验研究
Research for Effects of Admixture and Shrinkage Model on High-performance Concrete
掺合料对混凝土收缩影响及收缩模型分析
Solidification Process Simulation and Shrinkage Cavity Prediction of Car Gear Box
汽车齿轮室凝固过程数值模拟及缩孔、缩松预测
coagulation factor IX
干燥浓缩人血凝固第IX因子
Study on Heating and Solidification Microstructure of Upset AZ91D Mg Alloy in the Semi-solid State;
压缩形变AZ91D镁合金半固态加热及凝固组织研究
Research on Chemical Shrinkage and Dry Shrinkage Behavior of Alkali Activated Slag Cement and Concrete;
碱矿渣水泥与混凝土化学收缩和干缩行为研究
Influence of shrinkage-reducing admixtures on the reduction of plastic shrinkage cracking in concrete
减缩剂对减少混凝土塑性收缩裂缝的影响
compression process gasoline
压缩冷凝法回收的天然汽油
Test methods for dry shrinkage of aerated concrete
GB/T11972-1997加气混凝土干燥收缩试验方法
the separation of liquid from a gel that is caused by contraction (as in cheese making).
由于收缩使液体从凝胶体渗出的过程。
Discussion About Concrete Shrinkage Strain Introduced in New China Code for RC and PC Bridges and Culverts
关于新《桥规》中混凝土收缩应变的讨论
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