Taking several ductile iron castings having shrinkage depression defects as examples,the formation reason of shrinkage depression and the factors causing shrinkage depression were discussed,and the prevention measures was proposed.
以几个有缩陷缺陷的球铁铸件为例,对缩陷形成的原因和影响因素进行了分析,并提出了防止措施。
The causes of back end defects of copper alloy extruded products were analyzed, provide preventive measures, the product quality had been improved effectively, thus achieving good economic benefit.
分析了铜合金制品缩尾缺陷的产生原因,并提出了相应的预防措施。
Solidification Simulation and Shrinkage Defect Prediction of S.G. Iron Casting in Sand Lined Metal Mold;
铁型覆砂球墨铸铁件凝固模拟及收缩缺陷预测
Adopting optimizing design of risers, sound turbochargers were prepare d, and solidification process and shrinkage defects of turbocharger castings wer e analyzed.
本研究采用水冷铜坩埚真空感应凝壳技术和熔模型壳离心浇注的铸造方法制备γ-TiAl增压涡轮,通过改善冒口工艺获得了健全的γ-TiAl涡轮铸件,分析了γ-TiAl增压涡轮的凝固过程和收缩缺陷产生原因。
Influence of the initial temperature fields and mold hardness on the shrinkage defect of ductile iron casting by EPC process was mainly investigated in this paper.
本文主要讨论了初始温度场和铸型硬度对消失模铸造球墨铸铁件收缩缺陷的影响。
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
A Method on Computer Prediction of Shrinkage Defect of Ductile Iron Casting by EPC Process
消失模铸造球墨铸铁件收缩缺陷计算机模拟的处理方法
Cause and Precaution of Shrinkage Defects of Nodular Cast Iron Crankshafts Produced in Sand-coated Metal Mold
铁模覆砂球墨铸铁曲轴收缩缺陷的产生原因与预防措施
Research on the Casting Shrinks Properties and Air Hole of Ti-43Al-9V Intermetallic Compounds;
Ti-43Al-9V铸造受阻收缩及气孔缺陷
Ingot defects may be broadly classified into internal flaws and surface flaws. Internal flaws are caused by shrinkage.
钢锭缺陷广义上可分为内部缺陷和表面缺陷。内部缺陷是因收缩引起的。
Characteristic defects are of two main types; regression and syneresis.
特征缺陷主要有两类：即退化和脱水收缩。
Experimental study on internal defect of heavy section shrinkage workpiece under one cross wedge rolling
大断面收缩率一次楔入轧件心部缺陷的实验研究
Higher order path -Remote Defect Indication
高阶通道接收缺陷指示
Study of strain rate imaging in evaluating the postsystolie shortening in ischemic myocardium
应变率成像评价缺血心肌收缩后收缩
Design and Development of System on Prediction & Analysis of Shrinkage/porosity Defect in Castings;
铸件缩孔/缩松缺陷预测及缺陷分析系统的设计与开发
Prediction of Shrinkage Cavity and Porosity in Centrifugal Cast Rollers by Niyama Criterion
利用Niyama判据预测离心铸造轧辊缩孔缩松缺陷
The manufacturers have called in some cars with serious faults.
厂商已收回一些有严重缺陷的汽车。
Defect and Perfection of Farmland Expropriation Compensation System in China;
我国农地征收补偿制度的缺陷与完善
Defects and Suggestion in China s Land Collection Compensation System;
我国土地征收补偿制度的缺陷与反思
On Perfecting Legislative Flaws in Stepparents Adopting Stepchildren;
论继父母收养继子女立法缺陷的完善
Defects in Legislation of Registration of Pledge Receivables;
析应收账款质押登记制度的立法缺陷
Meditation on the Land Imposition and Compensation System of Our Country;
我国土地征收补偿制度的缺陷与完善
On the Existing Problems and Strategies of Land Levy and Compensation in Our Country;
现行土地征收补偿制度的缺陷及对策