您要查找的是不是:
- The interface and the solidifying structures of alumina / zinc alloy composites are observed and studied on scanning electronic microscope (SEM). 在扫描电镜上观察和研究了氧化铝/锌合金复合材料的界面与凝固组织。
- Alumina short fiber reinforced zinc alloy composites are manlufactured by squeeze costing,and the solidifying structures and the interface of the composite are studied. 利用挤压铸造制备了氧化铝短纤维增强锌合金复合材料,研究了其凝固组织与界面。
- Ultrasonic can greatly refine solidification structure of metals and eliminate gravity segregation. 超声波可以显著细化金属凝固组织,有效消除比重偏析。
- The research actualities of electric current pulse on improving metal solidification structure are overviewed. 综述了脉冲电流在改善金属凝固组织方面的研究现状。
- The effect of direct current electric field on the solidified structure of ZA27 alloy has been studied. 研究了直流电场作用下ZA27合金凝固组织的变化。
- The effect of ultrasonic melt pretreatment on the solidification structure and mechanical properties of 7055 aluminum alloy was investigated. 摘要7055铝合金液相线625℃以上,对7055铭合金熔体进行超声波预处理后模铸,研究超声熔体预处理对7055铝合金凝固组织和力学性能的影响。
- The influence of electric pulse modification (EPM) process on the solidification structure of Sn-15% Pb alloy was experimentally investigated. 研究了电脉冲处理对Sn-15%25Pb合金凝固组织的影响.
- It shows that large dendritc grains can be changed into refiner and equiaxial grains by pulsed magnetic field in Al -alloy solidified structure. 实验结果表明,强脉冲磁场能把铝合金的凝固组织从粗大的树枝晶细化为等轴晶,而且磁场愈强,细化效果愈显著。
- In this study,the effect of ultrasonically melt treatment method on solidification structure of pure aluminum ingot was investigated,e. 用高效熔体处理技术制备试验用易拉罐用铝材,探讨了该技术对其铸态组织与力学性能的影响规律。
- It was summarized in present paper that the liquid flow acted in the transfers process, solidification structure and componential segregation. 文章从传输过程、凝固组织和成分偏析等三个方面对液相流动的作用作了综述。
- Moreover, with the works of the Lorentz force, the evenly solidified structure can be obtained in the electromagnetic centrifugal cast. 而洛伦兹力可以抑制熔体的流动和波动,提高溶质离子在基体中的固溶度,另外,利用洛伦兹力还可以在电磁离心铸造中获得均匀的凝固组织。
- The effect of N EMS on solidification structure of continuously cast metal of Sn 3.5%Pb alloy has been investigated by experiments and numerical analyses. 选用低熔点 Sn-3 .;5%25 Pb合金浇注试样;用实验方法研究直浇道电磁搅拌对铸坯凝固组织的影响;并用数值模拟作为辅助手段分析了影响因素
- The Increase of pulse voltage and pulse frequency is beneficial to refinement and improvement of solidification structure of hypereutectic gray cast Iron. 脉冲电压的升高和脉冲频率的增大都有利于过共晶灰口铸铁凝固组织的细化和改善。
- With the improvement of solidified structure,the average tensile strength and elongation of the hollow copper pipe billets can be increased by 9.7% and 36.5% respectively. 随着凝固组织的改善;管坯平均抗拉强度提高了9.;7%25;平均伸长率提高了36
- The mechanism and progress of soft reduction technology was introduced, the effect of the reduction on central segregation and solidified structure was analysed. 摘要介绍了轻压下技术的作用机理及工艺过程,分析了压下量对铸坯中心偏析及铸坯凝固组织的影响。
- An experimental set up of travelling magnetic field excited by supper power permanent magnet was designed, which has obviously refine function for metal solidification structure. 开发了一套以强磁性永磁体为驱动介质的行波磁场发生器,该装置具有使金属凝固组织微细化的作用。
- Keywords Composite Alumina Zinc alloy Interface reaction Solidifying structure; 复合材料;氧化铝;锌合金;界面反应;凝固组织;
- The two halves of the structure didn't marry up. 该结构的两部分未配合好。
- High winds put great stress on the structure. 大风作用于该建筑物上而产生巨大的应力。
- The rock formed by the cooling and solidifying of molten rock. 熔岩融化的岩石冷却凝固后形成的岩石