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- Shrinkage porosity index 缩松指标
- The results show the lacuna is shrinkage porosity with high degree carbon. 结果表明，细小孔洞为富碳的缩松缺陷，为合金熔炼时碳元素引起铝液渣、气污染造成。
- The casting process was optimized by the simulation and the shrinkage hole, shrinkage porosity in the ductile iron hub were eliminated successfully. 通过模拟优化了铸造工艺,成功地消除了轮毂铸造过程中产生的缩孔、缩松缺陷。
- Large thick-section ductile Iron housing easily produces casting defects such as shrinkage cavity, shrinkage porosity,graphite floating and spheroidizing decay. 大型厚断面球墨铸铁件在铸造过程中极易产生缩孔、缩松、石墨漂浮及球化衰退等铸造缺陷。
- The results showed that good purification effects can be obtained,in which not only major coarse impurity particles was removed but also shrinkage porosity was effectively abated. 研究表明,该方法可以实现良好的净化效果。不仅过滤了绝大多数粗大夹杂物,而且对减少显微缩孔十分有效。
- Shrinkage porosity defect was eliminated by adopting kiss gating as a substitute for average gating.As a result,the quality of the cast iron pulleys met client's reqirements. 通过应用压边浇口代替普通浇口,消除了缩松缺陷,获得了满足客户质量要求的铸铁滑轮铸件。
- On the base of the proportional solidification principle, the problem of casting's shrinkage porosity was solved and fine casting with as cast pearlitic structure was obtained. 采取平做、平浇、平冷和复合运用微量合金元素及多次孕育等技术措施，利用均衡凝固理论解决曲轴内部缩松，获得合格曲轴铸件，并得到铸态珠光体组织。
- A chartboard of times of resistivity accretion multiple, mud invasion interval and porosity index is made through numerical simulation. 通过数值模拟计算作出电阻率增大倍数与侵入时间以及孔渗指数的关系图版。
- Usu-ally m_f adopts 1.5 in practice (that is, under ideal condition, fracture porosity index m_f = 1, the porosity index of rock matrix m_b = 2, the average is adopted). 在实际的工作中通常取m_f=1.;5(即取理想情况下的裂缝孔隙度指数m_f=1与基质岩块的孔隙度指数m_b=2的算术平均值)。
- The comparison test of several foundry methods showed that the feeder designed according to the proportional solidification principle could be used to eliminate shrinkage porosity defect. 通过几种铸造工艺方案试验比较，按照均衡凝固技术原则设计的冒口解决了铸件缩松缺陷，生产出优质铸件。
- The origination and location of shrinkage porosity(hole)in the rudder horn was described by simulating the filling process of large pelagic cast-steel rudder horn using a CAE software. 利用华铸CAE软件对大型挂舵臂铸钢件进行凝固过程的数值模拟,揭示了铸件产生缩松、缩孔的部位和形成原因。
- The effect of temperature and pressure on each parameter in Archie equation is disscussed , variation rules of porosity index m and saturation index n under high temperature and high pressure are obtained. 讨论了温度、压力对阿尔奇公式中各参数的影响效果,得出高温高压条件下饱和度指数n和孔隙度指数m的变化规律。
- Elimination of Shrinkage Porosity of Piston Casting 消除活塞铸件的缩松缺陷
- interdendritic shrinkage porosity 枝晶间[显微]缩松
- Elimination of Shrinkage Porosity of Nodular Iron Valve Body 球墨铸铁阀体缩松缺陷的消除
- Austenite Dendrite and Shrinkage Porosity in the Nodular Iron 球墨铸铁中的奥氏体枝晶与缩松
- Keywords aluminium alloy cast;lacuna;shrinkage porosity;pollution; 关键词铝合金铸件;孔洞;缩松;污染;
- There has been some shrinkage in our export trade. 我们的出口贸易量已有些减少。
- The index is at the back (of the book). 索引在(书的)末尾。
- The Effect of Liquid Metal Pressure on the Prediction of Shrinkage Porosity 金属液压力对缩松预测的影响
