查询词典 phase boundary

It can be concluded that the slipping of phase interfaces or the viscous sliding of grain boundary, dislocation's oscillation, the infinitesimal plastic deformation that was caused by the difference of elastic module and heat expansion coefficient between phases of the alloy yielded the damping of the alloys.

研究表明合金的阻尼是由合金晶界和相界面滑动、位错振荡以及各相的热膨胀系数和弹性模量间差造成的微塑性变形共同造成的。

It is indicated that the damping of the alloy is induced by phase interface slipping or grain boundary viscous sliding, the infinitesimal plastic deformation which is caused by the difference of elastic modules and heat expansion coefficients between phases of the alloy.

结果表明： ZA27-4%Si合金阻尼随频率增大而减小，随温度升高而增大，阻尼不随应变振幅的变化而变化； ZA27-4%Si合金室温阻尼为5.83×10-3，与ZA27合金阻尼相当； ZA27-4%Si合金的阻尼是由合金内部的晶界和相界面滑动、位错振动以及各相的热膨胀系数和弹性模量间差造成的微塑性变形共同造成的。

The phase anomaly zones are investigated on the basis of the integral theorem of Helmholtz and Kirchhoff in terms of the Kirchhoff′s boundary conditions and the physical meaning of the integral for the diverging and converging spherical waves.

从波动方程出发，在基尔霍夫边界条件下，根据积分的物理意义，简明地研究了发散和汇聚球面波的相奇异区域分布。结果表明，除了汇聚的球面波焦点区域存在相奇异现象外，焦点以外的区域及对发散的球面波同样存在相奇异现象。

Some application examples on the determination of crystal orientation ,micro-texture,crystallographic orientation relationship,stress distribution,lattice parameters,phase identification and boundary nature study with EBSD have been given.

论述了电子背散射衍射的形成原理、花样包含的物理意义，并给出了EBSD在测定晶体取向、织构、取向关系、物相鉴定、应变分布、晶格常数及晶界性质研究等方面的应用实例。

Mechanisms of heat affected zone liquation and liquation cracking in GH150 alloy were investigated by using varestraint test and hot ductility test in conjunction with the differential thermal analysis and optical, scanning electron microsopy. On heating,γ/C liquation take places in the HAZ above 1250℃. When the temperature reaches 1353- 1375℃, a large amount of liquid particles due to initial melting can be observed within the grains near the fusion boundary. On cooling,γ/C eutectic and γ/ Laves phase eutectic take place at 1273 and 1200℃ respectively.

采用可变拘束试验、热塑性试验、差热分析、光镜与扫描电镜观察，研究了GH150合金焊接热影响区液化及液化裂纹形成机制加热过程中温度高于1250℃的热影响区由于γ／C共晶产生液化，在温度达到1353℃（固相约至1375℃的近维区，晶内出现大量液化点冷却过程中温度在1273和1200℃时形成γ／C共晶和γ／Laves相共晶。

The precipitation of Ga-rich phase and sub-grain boundary existence are not conducive to the improvement of magnetostriction.

富Ga相的析出和亚晶界的出现不利于磁致伸缩性能的提高。

In this paper, the relations between the transparence of polymer film and polymer structure, phase, and movability of photon have been studied by using stable and unstable scattering rates under different boundary conditions.

利用在给定一系列边界条件下的稳定，非稳定散射研究聚合物薄膜透光性与物质的结构、相态、光子运动等物理性能的关系，为工农业和先进技术合理选用聚合物质薄膜，提供了重要的理论和应用价值。

Experimental research was conducted on the boundary of natural circulation two-phase flow instability.

针对低压工况两相自然循环流动不稳定的边界进行实验研究。

In the second section,the effect of the changes of chain architecture on the boundary of the phase is studied.

当链长(N=61)保持不变，l从10减少到6时，微涨落相边界的变化和增加链长时的变化基本相似，但同时l的降到也促进了胞结构的出现，这与链长增加的影响是不同的。

Internal factors refer to the conditions and performances of the test materials, such as grain size, precipitation phase, grain boundary and chemical composition.

内部因素指材料本身所具有的状态和性能，如材料的晶粒尺寸、析出相、晶界及化学成分等。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。