助手标题  
全文文献 工具书 数字 学术定义 翻译助手 学术趋势 更多
查询帮助
意见反馈
   solidification latent 的翻译结果: 查询用时:0.007秒
图标索引 在分类学科中查询
所有学科
更多类别查询

图标索引 历史查询
 

solidification latent
相关语句
  凝固相变
     Solidification latent heat of the three kinds of Al Si alloy contained 6.34%Si, 7.68%Si and 8.46%Si was measured on this system, and the calculation results were 407, 411 and 429 kJ/kg respectively.
     测量了含 Si量分别为 6.34%、7.68%和 8.46%铝合金的凝固相变热 . 计算结果分别为 40 7、41 1和 42 9k J/kg.
短句来源
  “solidification latent”译为未确定词的双语例句
     Fourier Arithmetic Study of Al-Si Alloy Solidification Latent Heat
     Al-Si合金凝固相变热的Fourier算法
短句来源
     For SiO2 particle reinforced Al-4%Mg composite,Some amount of Si dissolved in matrix due to chemical reaction,and fluidity of the composites was improved because it had higher solidification latent heat. This was why SiO2 particle reinforced Al-4%Mg composites had sounder structure than the other two types of composites.
     第三种复合材料,是由于SiO2颗粒与基体间发生了界面反应,一定量的Si溶入了基体,增大了基体的凝固潜热,从而提高了基体合金凝固时的补缩流动能力,所以SiO2p/Al-4%Mg复合材料的凝固组织比同样条件下Al2O3p/Al-4%Mg和SiCp/Al-4%Mg复合材料致密。
短句来源
     The effects of solidification latent heat on the growth of equiaxed dendrite,distribution of solute field and temperature field in undercooled liquid alloy were analyzed.
     研究了凝固潜热对过冷合金熔液中的等轴枝晶生长以及溶质场和温度场的分布的影响。
短句来源
     Based on Fourier's heat conduction theory and by use of sample cup instrumented with two thermocouples, the Fourier arithmetic for calculating Al Si alloy solidification latent heat and its computer aided analysis system were developed.
     应用 Fourier有源热传导理论 ,使用装有两支热电偶的热分析样环 ,研究了铝合金凝固相变热的 Fourier算法及其计算机辅助分析系统 .
短句来源
     Considering the drawing, the melt super heat, solidification latent heat, magnetic mold, fluidized particulates pouring quantity, paniculate characteristics and other factors on heat transfer course, the cooling model of SCEMC and directional solidification is founded.
     综合考虑抽拉速度、熔体过热、凝固潜热、磁模、流化颗粒流量、颗粒特性等因素对传热过程的影响,建立了软接触电磁成形定向凝固过程冷却传热模型。
短句来源
更多       
  相似匹配句对
     Treatment of latent heat in calculations for solidification of heavy castings
     大型铸件凝固计算中的潜热处理方法
短句来源
     COMPUTATION AND ANALYSIS OF SOLIDIFICATION PROCESS FOR LATENT HEAT STORAGE
     潜热蓄热凝固过程的相似法求解与性能分析
短句来源
     Latent Agency
     隐名代理探微
短句来源
     STUDIES ON LATENT SCHISTOSOMIASIS
     隐匿性血吸虫感染的研究
短句来源
     INTERFACE DURING SOLIDIFICATION
     凝固层界面上局部对流换热系数的确定
短句来源
查询“solidification latent”译词为用户自定义的双语例句

    我想查看译文中含有:的双语例句
例句
没有找到相关例句


The generation mechanism of microporosities in particles reinforced Al-4%Mg composites was investigated. The microporosities in solidification structure of Al2O3 particle reinforced Al-4%Mg composites were caused by increased viscosity due to particle incorporation,particle blocking interdendritic flow tunnel and mismatch of thermal expansion between particle and matrix. Microporosities were more likely to form in SiC particle reinforced Al -4%Mg composites than in Al2O3 particle reinforced Al-4%Mg composites...

The generation mechanism of microporosities in particles reinforced Al-4%Mg composites was investigated. The microporosities in solidification structure of Al2O3 particle reinforced Al-4%Mg composites were caused by increased viscosity due to particle incorporation,particle blocking interdendritic flow tunnel and mismatch of thermal expansion between particle and matrix. Microporosities were more likely to form in SiC particle reinforced Al -4%Mg composites than in Al2O3 particle reinforced Al-4%Mg composites because they nucleated more easily in this type of composites or SiC particles and matrix wer weakly bonded. For SiO2 particle reinforced Al-4%Mg composite,Some amount of Si dissolved in matrix due to chemical reaction,and fluidity of the composites was improved because it had higher solidification latent heat. This was why SiO2 particle reinforced Al-4%Mg composites had sounder structure than the other two types of composites.

探讨了Al2O3、SiC、SiO2等三种颗粒增强Al-4%Mg复合材料凝固组织中显微孔隙的形成规律.结果表明:前者显微孔隙是由Al2O3颗粒加入导致熔体粘度增加、颗粒堵塞枝晶间的补缩流动通道以及颗粒与基体合金的热膨胀系数的差异三种因素所引起;第二种材料由于气孔易在SiC颗粒表面形核,或者SiC颗粒与基体结合较弱,使得该复合材料比前者易形成显微孔隙;第三种复合材料,是由于SiO2颗粒与基体间发生了界面反应,一定量的Si溶入了基体,增大了基体的凝固潜热,从而提高了基体合金凝固时的补缩流动能力,所以SiO2p/Al-4%Mg复合材料的凝固组织比同样条件下Al2O3p/Al-4%Mg和SiCp/Al-4%Mg复合材料致密。

A finite element numerical model for solidification heat transfer of continuous casting slab in mold was established in the present paper and comparisons were made between the two kinds of processing methods for the solidification latent heat, the two types of the three points time pattern as well as the kinds of thermal capacitance matrix applied in this model. In the meantime, the effects of the time step length and the computing network size on the numerical simulation result was also studied.

建立了结晶器内连铸坯凝固传热的有限元数值计算模型,并就模型中两种凝固潜热处理方法,两种三点时间格式以及两种热容矩阵的应用进行了比较,同时研究了时间步长和计算网格大小对数值模拟结果的影响。

Our study utilized a special experimental setup, which we had designed and given the name SDS(supercooling directional solidification). This set up allows us to study forced dendritic growth under supercooling conditions with a view to reducing cost and production cycle in the future. But it is difficult to make practical use of supercooling technique due to two difficulties: (1) unpredictability of nucleation and (2) random growth of crystals. We overcame these two difficulties fairly successfully. Fig. 1(a)...

Our study utilized a special experimental setup, which we had designed and given the name SDS(supercooling directional solidification). This set up allows us to study forced dendritic growth under supercooling conditions with a view to reducing cost and production cycle in the future. But it is difficult to make practical use of supercooling technique due to two difficulties: (1) unpredictability of nucleation and (2) random growth of crystals. We overcame these two difficulties fairly successfully. Fig. 1(a) shows dendritic structures of Cu5.0 wt% Ni alloy obtained with our supercooling technique using SDS setup and Fig.1(b) shows that obtained with the traditional LMC method, where G L =250 K/cm, V =500 μm/s. Obviously the dendritic structure in Fig.1(a) is at least as good as, if not better than, that in Fig.1(b). Specific findings are presented in the next three paragraphs. We found that successful supercooling can be obtained only with in the range of 127 K ̄170 K. Below 127 K, release of solidification latent heat leads to reduction of supercooling degree, which in turn makes it difficult to realize preferential orientation. Above 170 K, there is the danger of transformation of dendrites into spherical crystals. The dendritic structure obtained by us can be described numerically as follows: (1) length of dendritic structure, about 60% of specimen; (2) growth direction, <100>; (3) primary spacing, 50 μm, about the same as obtained with LMC method. SDS solidified microstructures obtained by us can be subdivided into three regions: fine quiaxed region; region of transition from fine equiaxed to columnar; colunmar region.

过冷熔体中的强制枝晶生长*谢发勤①张军②傅恒志③细(或超细)柱晶组织及其叶片类产品,都是在液/固界面前沿熔体处于过热状态下形成的,如传统的快速凝固(HRS)、液态金属冷却(LMC)等定向凝固工艺。在过冷熔体中,由于形核的不可预测性和晶体生长的随机性,...

 
<< 更多相关文摘    
图标索引 相关查询

 


 
CNKI小工具
在英文学术搜索中查有关solidification latent的内容
在知识搜索中查有关solidification latent的内容
在数字搜索中查有关solidification latent的内容
在概念知识元中查有关solidification latent的内容
在学术趋势中查有关solidification latent的内容
 
 

CNKI主页设CNKI翻译助手为主页 | 收藏CNKI翻译助手 | 广告服务 | 英文学术搜索
版权图标  2008 CNKI-中国知网
京ICP证040431号 互联网出版许可证 新出网证(京)字008号
北京市公安局海淀分局 备案号:110 1081725
版权图标 2008中国知网(cnki) 中国学术期刊(光盘版)电子杂志社