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solidification
相关语句
  凝固
    Numerical Simulation of the Solidification of Castings-Influence of Solidification Conditions on the Temperature Field of Al—4.5Cu Alloy
    铸件凝固过程的数值模拟—凝固条件对Al—4.5%Cu合金温度场的影响
短句来源
    A Study of the Effect of Sodium on Modified Mechanism of Eutectic Silicon Phase Under the Directional Solidification
    定向凝固下钠对共晶硅相变质的研究
短句来源
    Effects of Solidification condition and Microsturcture on The High-Temperature Instant Tensile properties of K6 Nickel-Base casting Alloy
    凝固条件和显微组织对K6镍基铸造合金高温瞬时拉伸性能的影响
短句来源
    A SIMULATION STUDY OF CRYSTAL FORMATION IN LIQUID ZONE DURING SOLIDIFICATION
    凝固过程液相区内晶体形成的模拟研究
短句来源
    CONTROL OF SOLID/LIQUID INTERFACE POSITION ON DIRECTIONAL SOLIDIFICATION PROCESS
    HRS定向凝固过程中固/液界面位置控制
短句来源
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  凝固过程
    Numerical Simulation of the Solidification of Castings-Influence of Solidification Conditions on the Temperature Field of Al—4.5Cu Alloy
    铸件凝固过程的数值模拟—凝固条件对Al—4.5%Cu合金温度场的影响
短句来源
    A SIMULATION STUDY OF CRYSTAL FORMATION IN LIQUID ZONE DURING SOLIDIFICATION
    凝固过程液相区内晶体形成的模拟研究
短句来源
    CONTROL OF SOLID/LIQUID INTERFACE POSITION ON DIRECTIONAL SOLIDIFICATION PROCESS
    HRS定向凝固过程中固/液界面位置控制
短句来源
    Influences of Rare-Earth Elements on the Solidification Process of Al-Mg Alloy
    稀土元素对Al-Mg合金凝固过程的影响
短句来源
    INVESTIGATION ON THE SOLIDIFICATION PROCESS OF DD3 NICKEL BASE SUPERALLOY
    DD3单晶镍基高温合金凝固过程的研究
短句来源
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  “solidification”译为未确定词的双语例句
    MICROSTRUCTURES OF RAPIDLY QUENCHED FOILS AND SOLIDIFICATION MECHANISM OF BULK UNDERCOOLED Ni-7.3%Si-2.2%B ALLOY
    Ni-7.3%Si-2.2%B合金快淬组织与深过冷快凝机制
短句来源
    COLLISION COARSENING OF DISPERSION DROPLETS IN SOLIDIFICATION PROCESS OF MONOTECTIC ALLOY
    COLLISION COARSENING OF DISPERSION DROPLETS IN SOLIDIFICATION PROCESS OF MONOTECTIC ALLOY
短句来源
    In this paper,the phase formation and microstructure of the Sm-Fe alloy affected by the combination of rapid solidification and alloy addition Ti were investigated,and Sm3 (Fe,Ti)29Nx/α-Fe double phase nano-composite exchange-coupling hard magnets was successfully prepared.
    研究了熔体快淬工艺及添加元素Ti对Sm-Fe合金相的形成及结构的影响,成功制备了Sm3(Fe,Ti)29Nx/α-Fc双相纳米耦合永磁材料。
    MODE AND STRUCTURE OF SOLIDIFICATION OF Al 2O 3 SHORT FIBER/ZA22 ALLOY COMPOSITES
    Al_2O_3短纤维/ZA22合金复合材料凝固的方式及组织
短句来源
    The Comparison of the Solidification of Liquid Al_3Ni and Ni_3Al
    耐蚀合金Al_3Ni和Ni_3Al液态冷凝过程的比较研究
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  solidification
Directional solidification of metal-gas eutectic and fabrication of regular porous metals
      
Directional solidification of metal-gas eutectic (Gasar) is a novel process for making regular porous metals.
      
The calculation results indicated that the IHTC immediately increased after liquid metal was brought into the cavity by the plunger and decreased as the solidification process of the liquid metal proceeded.
      
Higher heating rate inhibits the further melting of adjacent matrix and the solidification of liquid by liquid-to-γ mode in the subsequent thermal cycle.
      
Creep-resistant magnesium alloy design, plastic processing of magnesium alloys and rapid solidification processing of magnesium alloys have become the hot topics in magnesium technology.
      
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Thermal analysis is an important method for assessing and controlling the quality of cast metals. The results herein given are a preliminary approach in recent researches on the nodularity of pearlitic ductile cast iron and the relationship between the characteristic temperature values on the cooling curve and the nodularity is investigated. The temperature criterion for quickly distinguishing three different types of nodular graphite before casting and a theoretical analysis based on modern eutectic solidification...

Thermal analysis is an important method for assessing and controlling the quality of cast metals. The results herein given are a preliminary approach in recent researches on the nodularity of pearlitic ductile cast iron and the relationship between the characteristic temperature values on the cooling curve and the nodularity is investigated. The temperature criterion for quickly distinguishing three different types of nodular graphite before casting and a theoretical analysis based on modern eutectic solidification pattern and spheroidizing theory of graphite have been proposed.

热分析法是检验和控制铸造合金质量的重要方法.本文介绍了热分析法测试珠光体球墨铸铁球化率的研究成果.指出冷却曲线上温度特征值与球化级别的对应关系.初步确定生产中快速分辨三种球化级别的温度判据.运用近代共晶凝固模式和石墨球化理论对温度判据进行了理论分析.

The solidification progresses of rapidly quenching from high-tempersture melts to form amorphous alloy ribbons were analysed. It was pointed out that different regions of the amorphous ribbon have different advancing ways of solidification in the process of solidifying, thus different local stress fields will exist in these regions. The internal stress fields and the stress-magnetic anisotropies in different regions of the amorphous ribbon were calculated theoretically. The calculated results and...

The solidification progresses of rapidly quenching from high-tempersture melts to form amorphous alloy ribbons were analysed. It was pointed out that different regions of the amorphous ribbon have different advancing ways of solidification in the process of solidifying, thus different local stress fields will exist in these regions. The internal stress fields and the stress-magnetic anisotropies in different regions of the amorphous ribbon were calculated theoretically. The calculated results and their inferences can interpret satisfactorily the observed structures of the magnetic domain in the amorphous ribbons and some phenomena in the experiments of the domain's observations.

本文中分析了从高温合金熔体快速淬火形成非晶态合金带的固化过程。指出非晶态合金带的不同部位在固化过程中,具有不同的固化推进方式,从而形成不同的区域应力场。从理论上计算了非晶态薄带中不同区域的内应力场和应力磁各向导性。计算的结果及其推论能很好地解释观察到的非晶态铁滋合金带的磁畴结构和实验现象。

In this paper, the Influences of various Hf contents upon the microstructures and the mechanical properties of a Nickel-base superalloy by two different directionally solidified techniques ( i.e. P.D process and H.R.S process) have been studied. The results show that Hf is always segregated along the interden-dritic regions and concentrated primarily in γ/γ' eutectic phases during solidification. The addition of Hf resulted in marked alteration of the microstru-cture of the alloy, i.e. the amount of γ/γ'...

In this paper, the Influences of various Hf contents upon the microstructures and the mechanical properties of a Nickel-base superalloy by two different directionally solidified techniques ( i.e. P.D process and H.R.S process) have been studied. The results show that Hf is always segregated along the interden-dritic regions and concentrated primarily in γ/γ' eutectic phases during solidification. The addition of Hf resulted in marked alteration of the microstru-cture of the alloy, i.e. the amount of γ/γ' eutectic phase increases obviously, and its morphology changes concurrently, the conditions of grain boundaries and interdendritic regions of the alloy are improved considerably, some minor Hf-rich phases, such as carbide MC(2), sulfurcarbide (M,Hf)2SC and Ni5Hf, were also observed. The stress-rupturs, properties, particularly the trensverse ones at 760℃ are enhanced with the increase of Hf content, however the stress-rupture life at 1040℃ decreased gradually with the increase of Hf content. The mechanical properties of the alloy prepared by H.R.S process at high and intermediate temperature are considerably higher than those of the alloy prepared by P.D process.The mechanisms on the changes of microstructures and mechanical properties of the Hf-contained alloy were also discussed. The suitable range of Hf content in this alloy lies over 1.0-2.0% ( by weight) and H.R.S technique should be adopted predominatingly.

本文采用两种定向凝固工艺即功率下降(P.D)法和快速凝固(H.R.S)法研究了不同Hf含量对一种镍基高温合金组织和性能的影响。实验结果表明,加入合金中的Hf主要偏析在枝晶间和γ/γ′共晶相内;合金加Hf后,显微组织发生明显变化:γ/γ′共晶相大量增多,其形态也发生明显变化;晶界和枝品间状态得到改善;出现了几种新的富Hf微量相。合金760℃持久性能(特别是横向性能)随Hf含量的增加显著提高。但1040℃的持久寿命却随Hf含量的增加而下降。采用H.R.S工艺时合金的中、高温性能均明显优于P.D法工艺。 文中讨论了合金加Hf后组织和性能变化的机理,确定了本合金较合适的含Hf量为1.0~2.0%(重量),并认为应优先采用H.R.S定向工艺。

 
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