晶轴

x增加，反铁电四方相的晶轴比a/c和晶胞体积减小，结果是扩大了可以发生电场诱导反铁电-铁电相变的反铁电相区。

Addition of x volue reduces the crystal axis ratio a / c and the volume of tetragonal structure . As a result , it extendes the tetragonal antiferroelectric field that can transform into rhombohedral ferroelectric phase by electric field .

本文阐述了堇青石晶体的热膨胀机理，按照元素的性质详细叙述了各类元素的掺杂对堇青石的晶格常数和沿α堇青石两个晶轴a、c方向热膨胀系数的影响。

In present paper , the thermal expansion mechanism of cordierite is discussed . According to the properties of the elements , the effects of doping on the lattice constants and the thermal expansion coefficients along crystal axis a and c are then described in detail .

这二类薄膜均可归属于（MT，100）共面、c-晶轴M、T双轴取向的平衡膜或非平衡膜。

These two kinds of PET films belong to ( MT , 100 ) uniplanar , c-exis M. T.

降低纳米Ni（OH）2在垂直于[100]晶轴方向的结晶性，可以提高其电化学活性和比容量。

Electrochemical activity and specific capacity of nano-scale nickel hydroxides could be improved by reducing the crystalline in the direction perpendicular to the axis of [ 100 ] .

用中子相干非弹性散射、沿三个主晶轴方向测量了同构异质晶体NaBrO3和NaClO3的声子色散关系。

The dispersion curves of phonons along three crystallographic axes for isomorphous crystals NaBrO_3 and NaClO_3 have been measured by using coherent inelastic neutron scattering .

在室温下测量了掺钕钨酸钾钆（Nd3+∶KGW）晶体三个晶轴方向的吸收光谱，其吸收谱带强度明显显示各向异性。

Absorption spectra of Nd ~ ( 3 + ): KGW crystal for the three crystallographic axes were investigated at room temperature . The absorption band intensities distinctly revealed the anisotropy of Nd ~ ( 3 + ): KGW .

分布在晶轴间的块状M7C3使合金表面具有由这种共晶组织所构成的连续网状耐磨骨架以及塑性较好的位错马氏体基体与之良好配合。

It is found that the M_7C_3 blocks make the alloy 's surface have a perfect match of the dislocated martensite matrix , which has good Plasticity , with a continuous , reticular and wear-resistant skeleton composed from this eutectic structure .

（结晶学）有三个不同的晶轴，其中一个倾斜的交叉。

( crystallography ) having three unequal crystal axes with one oblique intersection .

矿物光率体主轴、晶轴、弹性张量的数学转换和计算机实现的方法

Mathematical transformation and its implementation on computer of mineral optical indicatrix axes , crystal axes and elastic modulus tensor

晶轴与晶面成18°角的Ce：KNSBN晶体自泵浦位相共轭

Self Pumped Phase Conjugation in Ce ∶ KNSBN Crystal with a 18 ° Angle Between C Axis And Crystal Surface

椭圆方位角-测量入射面和主晶轴之间的角度。

Azimuth , in Ellipsometry - The angle measured between the plane of incidence and the major axis of the ellipse .

以往是通过手工转图由光率体主轴获取晶轴和应力主轴的，把手工操作变为计算机运算和成图，是一个重要的附加课题。

The crystal axes and the principal stress axes are obtained from the optical indicatrix axes manually by turning the projection diagram as usual .

同时由于电荷补偿作用，[001]晶轴方向上的Cd2+离子被Li+离子替代。

Meanwhile , owing to the charge compensation , a Cd 2 + ion on [ 001 ] axis will be replace by Li + ion .

但同时该材料也存在着两大致命弱点：一是晶体在各个晶轴方向上的差异很大，导致在冷却时产生大量微裂纹，机械强度很低；

But the material has two fatal defects : one was that the crystal was very large anisotropy which made its mechanical strength very low because there was much crack in the material when it cooled .

实验中通过测量铸锭的二次晶轴间距、莱氏体网络尺寸及计算局部凝固时间考察了熔化速度、熔池深度对电渣重熔高速钢凝固质量的影响。

Influences of melting rate and depth of metal pool on the solidification of electro-slag remelting high speed steels have been investigated by measuring the secondary dendrite arm spacing and the ledeburite meshes and also by calculating the values of local solidification time .

另外还发现约瑟夫森电流还依赖两边磁性d波超导不同磁化方向和不同晶轴方向，磁性d波超导的交换场在取特定的铁磁层厚度下可增强约瑟夫森电流。

Also , it is found that the Josephson critical current depend on the relative orientation of the effective exchange field and the crystal orientation of two ferromagnetic d-wave superconductors . The exchange field under certain condition of ferromagnet thickness can enhance the Josephson critical current .

随着Er含量的增加，该焊料合金的组织由树枝晶向等轴晶转变，且组织逐渐细化。

With the increase of Er content , the microstructure of the solder changes from fir-tree crystal to equiaxed crystal and is refined .

同时本文还提出了适合铸锭凝固过程的柱状晶向等轴晶转变（CET）判据。

A columnar-to-equiaxed transition ( CET ) criterion is developed for the case of solidification of ingots .

本文研究了Sn&Pb共晶合金超塑性轴对称挤压稳定过程中流动特性，并与纯Pb的常规塑性挤压进行比较。

The flow behavior in a steady axisymmetric extrusion with the Sn-Pb eutectic alloy in the superplastic condition was studied and compared with that obtained with pure lead .

柱状晶向等轴晶转变（CET）是在一定的凝固过程中必须控制的一种显微组织转变。

The columnar to equiaxed transition ( CET ) is a kind of microstructural transformation in certain solidification , which should be controlled .

显微结构由细小柱晶和等轴晶构成。

The microstructure consists of fine-scale columnar and equiaxed grains .

柱状晶向等轴晶转变过程的模拟实验研究

A Model Study on the Transition from Columnar Crystal Zone to Equiaxed

粗晶超塑性单轴拉伸颈缩模拟

Simulation of superplastic uniaxial tensile necking in coarse-grained materials

在3种不同的浇注温度下得到了3种典型的柱状晶向等轴晶转变的图形。

Three typical images of columnar-to-equiaxed grain transition were obtained at three pouring temperatures .

在柱状晶与等轴晶过渡区中存在着偏聚物。

Segregated solutes and inclusions are distributed at the transition boundary of the column crystal and the equiaxial crystal .

对喷射成形高温合金的组织形成及其从雾化过程的树枝晶向等轴晶组织的演变过程进行了分析。

The formation of the microstructure and the evolution process from dendrite into equiaxed structure during atomized process for spray formed superalloy were analyzed .

利用透射电子显微术，研究了Zr55Al10Ni5Cu30块状非晶室温单轴压缩断裂后样品微观结构变化特征。

The microstructural changes in a bulk Zr_ ( 55 ) Al_ ( 10 ) Ni_5Cu_ ( 30 ) metallic glass fractured by uniaxial compression at room temperature were investigated by transmission electron microscopy .

用恒定温度下瞬态电容法研究了硅中金受主能级在沿〈100〉，〈110〉，〈111〉晶向单轴应力作用下的能级移动。

Using the method of transient capacitance at constant temperature , the shift of gold acceptor energy level in silicon under 〈 100 〉 , 〈 110 〉 , 〈 111 〉 uniaxial press has been studied .

这些结果说明在诸如磁性随机存储器等基于微细磁性薄膜的工作中，薄膜形状及其磁晶易磁化轴的角度不容忽略。

These results illuminated that , in micron order magnetic film systems such as magnetic random access memory , the shape and the tilt of crystal easy axis are important for determining the switch field of the film .

研究结果表明：从铸锭上取样位置的不同，合金的显微组织不同，有树枝晶和等轴晶之分，但是均匀化后的相都是由（B2+O+α2）三相组成。

Results were presented as follow : The microstructures of different positions of the ingot were different , they were dendrite or equiaxed grains , but the phases of homogenized were ( B2 + O + α 2 ) .