液相线温度

  • 网络Liquidus Temperature
液相线温度液相线温度
  1. γA、γB分别为组元A、B在液相线温度时的活度系数。

    γ B is activity coefficient of components A , B at liquidus temperature .

  2. 结果显示:Ru的加入对低Cr高W铸造镍基高温合金的液相线温度无明显影响,但对初生MC碳化物以及γ+γ′共晶的析出温度有明显作用。

    The results show that the addition of Ru into the cast nickel base superalloy with low content of Cr and high content of W does not affect liquidus temperature of alloy , but can influence the precipitation temperature of primary MC carbide and eutectic γ + γ′ obviously .

  3. 合金的液相线温度随Al量的增加而降低,Al含量从24%增至35%时,其过热度约增加1倍。

    The temperature of liquidus decreases with the increase of Al amount .

  4. 差式扫描量热分析(DSC)及高温金相实验表明,该合金共晶温度约1287℃,液相线温度约1355℃。

    Differential scanning calorimetry ( DSC ) and high-temperature microscopic analysis indicated that the Mo_2 Ni_3 Si alloy has an eutectic temperature of 1287 ℃ and a liquidus temperature of 1355 ℃ .

  5. 在接近液相线温度下浇注,较快的合金熔体冷却速度、浇注引起的合金熔体流动和大范围的同时凝固促使A1Si7Mg合金形成球状或粒状的初生α-Al组织。

    The faster cooling rate , the melt flowing and larger solidification region induced by the near liquidus pouring temperature promotes the formation of spherical or nodular primal α - A1 .

  6. 在液相线温度下半连续铸造的ZL201合金组织为均匀、细小的蔷薇状组织,晶粒的平均等积圆直径为43.6μm,晶粒平均圆度为1.88。

    The microstructures cast at liquidus temperature ( 650 ℃) by LSC is uniform , fine and rose flowered . The average equal-area-circle grain diameter is 43.6 μ m and the average roundness is ( 1.88 . )

  7. 合金液相线温度和二元共晶的反应温度降低,三元或四元共晶反应被抑制,合金凝固组织中Mg2Si相的析出受到抑制,微观硬度明显提高。

    It also indicated that the liquidus temperature and the binary eutectic temperature were decreased and the ternary / quarternary eutectic reactions and Mg_2Si phase were restrained as the cooling rate increased . The micro-hardness of the sample at the higher cooling rate was distinctly raised .

  8. 磷对过铝质岩浆液相线温度影响的实验研究

    Experimental study of effect of phosphorous on liquidus temperature of peraluminous magmatic system

  9. GB/T6526-1986自熔合金粉末固-液相线温度区间的测定方法

    Self-fluxing alloy powders & Determination of solidus-liquidus temperature range

  10. 钢的液相线温度的计算

    Calculation on Liquidus Temperature of Steel

  11. 计算表明,断口表面层绝热升温温度依然高于液相线温度。

    The adiabatic heating induces the temperature of fracture surface layer to be higher than the liquidus temperature too .

  12. 所以在略高于液相线温度保温,较低的铸造速度下进行半连续铸造能获得良好的非枝晶组织,并在此基础上分析了液相线半连续铸造条件下的形核及长大机理。

    It gained good non-dendritic microstructures that LSC was performed at a little high liquidus temperature and low casting velocity .

  13. 介绍了两种具有三元以上组分的熔渣体系的液相线温度计算方法。

    Describes two methods for calculating the liquidus temperature of a slag system of which more than three components is composed .

  14. 结果表明:锰降低液相线温度和共晶温度,缩小凝固温度范围;

    The results show that : manganese lowers liquidus and eutectic temperature , and narrows down the temperature range of solidification ;

  15. 利用二次回归正交设计法得到27组试验钎料配方,分别测定了它们的液相线温度和润湿性;

    27 prescriptions of experimental solders are fixed through quadratic regressive orthogonal design . Their liquid phase line temperature and wettability are measured separately .

  16. 三是从液相线温度冷却至固相线温度时析出的脱氧产物,称为三次脱氧产物。

    Another is called thirdly deoxidizing products that appear at the time of cooling the steel from liquid phase line temperature to solid phase line temperature .

  17. 测试了合金的浇注温度,液相线温度和固相线温度,得出合金的凝固温度区间为71℃。

    From the experimental data , the pouring temperature , liquidus and solidus temperatures of the alloy are obtained , and the solidification range of the alloy is determined as 71 ℃ .

  18. 二是不在浇注前将金属液体制成半固态浆料,而是以略高于液相线温度的低温浇注,控制其在浇注过程中浇注系统内析出少量固相。

    Second , the liquid metal is not prepared semi-solid slurry before pouring but directly poured at slightly below liquidus temperature to control the creation of small amounts of solid phase during pouring .

  19. 在液相线温度下,开始析出初生相,奥氏体或者石墨,产生了除温度下降导致的收缩外的凝固收缩或膨胀;

    Below the liquid line , original phase begin to separate out that is graphite or austenite , it result in shrinkage or expansion besides the shrinkage brought on by the temperature descent ;

  20. 采用均匀设计法进行试验设计,考察了分子比、添加剂与铝电解质液相线温度的数学关系,建立了液相线温度数学模型,并将该模型应用到分子比在线预报研究中。

    An uniform design is adopted to test the relationship of cryolite ratio , additives and liquidus temperature of the system Na_3AlF_6-Al_2O_3-MgF_2-CaF_2-LiF , a mathematical model was obtained and proved by experiments of actual aluminum electrolyte .

  21. 只要浇注温度、输送管转速和输送管倾角能够良好地匹配,使出口温度低于合金液相线温度,便可以获得优良的半固态浆料。

    It can be concluded that the outlet temperature of molten alloy is bellow its liquidus temperature and sound semi-solid metal slurry can be produced under the appreciate combination of pouring temperature , rotation speed of barrel and inclined degree of barrel .

  22. 随着Bi含量的增加,钎焊接头抗拉强度也随着增加,同时钎料的液固相线温度均降低。

    With the increase of the Bi content , the solder joint strength rises , but the liquidus temperature and the solidus temperature decrease .

  23. 对ZL111铝合金在近液相线的温度保温后的铸态组织进行了研究。

    The microstructure evolution of ZL 111 by heat holding above the liquidus temperatures was investigated .

  24. 系统包括参数录入、数据更新、数据查询和液固相线温度计算模块,实现了对参数数据的集中有效管理。

    This system contains four modules : data input , data update , data search and solidus / liquidus temperature calculation , which can achieve managing the thermal physical parameters expediently and efficiently .

  25. 在特定的熔点,以低于液相线的温度快速生成母晶枝,这是使熔融金属或复辉快速散热的结果。

    Rapid growth of mother dendrites in a given location of a melt at just below the liquidus temperature , that growth being the result of rapid heat extraction from the melt , or from recalescence .

  26. 与实际的冷却过程相似,由于凝固潜热的释放,预测的冷却曲线在低于液相线某个温度时出现明显的斜率变化。

    Similar with the actual cooling process , the predicted cooling curves display distinct slope change at a certain temperature below liquidus .

  27. 利用回转振动粘度仪在液相线以上较大温度范围内,测量了In-55%Sb(质量分数)亚共晶合金熔体在不同的升降温过程中的粘度。

    The dynamic viscosity of In-55wt % Sb hypoeutectic alloy melt was measured in a wide temperature range above liquidus in heating and cooling processes by using a torsional oscillation viscometer .

  28. 该模型根据糊状区溶质传输和反扩散理论,基于变热物性参数,采用钢中多组元成分的百分含量计算液、固相线温度。

    The liquidus and solidus in the mushy zone was calculated based on back diffusion and a database for multi-component steel with the thermal-physical parameters depended on composition , temperature and solid fraction .

  29. 利用回转振动粘度仪对纯In、In5%Cu合金及In20%Cu合金在液相线以上不同温度进行了粘度测量,实验结果表明,随温度升高,三种熔体的粘度都呈现减小趋势,且符合指数变化规律;

    The dynamic viscosities of pure In , In-5 % Cu and In-20 % Cu alloy were measured by using a torsional oscillation viscometer at different temperature above liquidus . The experiment results show that the viscosity of three melts decreases with increasing temperature and well meets the exponential correlation .

  30. 交流磁场对Al-11.4%Cu合金液相线、固相线温度的影响

    Influence of Alternating Magnetic Field on the Crystal Process of Al-11.4 % Cu Alloy