热膨胀系数

当La2O3加入到0.1摩尔百分比时，其热膨胀系数比未加La2O3的相同组成的微晶玻璃降低约33%。

When the amount of La 2O 3 increased to 0.1mol % , the CTE dropped by about 33 % compared with that of the same composition glass-ceramics without La 2O 3 .

显然，热膨胀系数不匹配诱导的热应力是金属基复合材料的一大特征，因为对于大多数金属基复合材料来说，热膨胀系数不匹配是很严重的。

Obviously , CTE mismatch induced thermal stresses is one of the biggest characteristic in MMC because CTE mismatch is usually very serious in most of MMC .

热膨胀系数与杨氏模量的乘积αE称之为热弹性应力指数。

The thermoelastic stress index , the product α E , is defined and similarly exa-mined .

SiCp/Al复合材料热膨胀系数的研究

Study on Coefficient of Thermal Expansion in SiCp / Al Composite Materials

ZrW2O8薄膜的物相转变与负热膨胀系数

Phase transition of ZrW_2O_8 thin film and its coefficient of negative thermal expansion

热膨胀系数结果表明，SiC的引入可以有效的改善其热稳定性。

The coefficient of linear thermal expansion showed that the introduction of SiC have efficiently decreased .

但SiC与C／C复合材料热膨胀系数不匹配，单一的SiC涂层防氧化性能受到限制。

But the single SiC coating 's anti-oxidation property is limited because of the dismatch of CTE between SiC with C / C.

随着SiC颗粒含量的增加，复合材料的热膨胀系数和导热率降低；

The coefficient of thermal expansion and thermal conductivity of the composites decreased with the increase of SiC particles .

说明了ZnO在能降低玻璃熔融温度的同时能促进玻璃晶化，但ZnO含量达到11wt%时，其热膨胀系数发生突变。

However , when the addition of ZnO up to 11wt % , the coefficient of thermal expansion suddenly changes .

CdTe反常热膨胀系数和能隙的温度关系

Temperature dependence of the abnormal thermal expansion coefficient and the band gap in CdTe

预键合的Si玻璃基片在200℃下退火，消除由Si、玻璃热膨胀系数和热传导系数差异引起的诱导应力。

Then the bonded pairs are annealed at 200 ℃ to induce stress due to the difference in the thermal expansion coefficient and thermal conduct coefficient .

利用PVT分析仪测定PS的热膨胀系数、等温压缩系数和热压系数

Measurements of Thermal Expansion coefficient Isothermal Compression Coefficient and Thermal Pressure Coefficient of Polystyrene with PVT Analyzer

在温度一定时，热膨胀系数随压强的增加而显著减小，但是在高温高压下，热膨胀系数受温度和压强的影响很小。最后，我们研究了ZnO在不同温度和压强下的弹性性质。

However , under high pressure and temperature , temperature and pressure have little effect . Finally , we study the elastic properties of ZnO .

利用变温X射线衍射仪精确收集粉体在不同温度下的XRD数据，以PowderX软件分别计算在不同温度下的晶胞参数，进而计算其负热膨胀系数。

The negative thermal expansion coefficient was calculated using the lattice constants obtained by Powder X software using the data collected at different temperatures by in Situ X-ray measurement .

在液氮至室温温区，能测试数量级10－6～10－5／K的材料热膨胀系数。

It can measure 1 × 10 - 6 ~ 1 × 10 - 5 / K thermal expansion coefficient of materials in the range between 77K and room temperature .

利用X射线衍射方法精确测量了2∶17型稀土化合物Nd2AlFe15Mn的晶胞参数及热膨胀系数并研究了其结构特征。

The lattice constants and the thermal expansion coefficient of 2 ∶ 17 type rare earth-transition metal compound Nd_2AlFe_ ( 15 ) Mn were obtained by means of X-ray diffraction .

结果表明，D1和单基药的热膨胀系数有较大的差异，中止燃烧破孔率常温小于低温。

Results show that the linear expansion coefficients of D1 has large difference with that of single-base propellant .

随着复合材料中Si元素总量的增加，复合材料的定比压热容、热膨胀系数、热扩散系数和热导率均逐渐降低；

The specific capacity , the average coefficient of thermal expansion , the coefficient of thermal diffusion and the thermal conductivity of the composites decrease gradually with increasing Si content .

但由于Si和SiC的晶格常数及热膨胀系数的不匹配，在SiC／Si界面处易形成空洞缺陷。

However , cavities are prone to formatting at the Si / SiC interface due to the large lattice mismatch and thermal expansion coefficient difference between Si and SiC .

结果表明，复合膜层的热膨胀系数和烧结收缩率随着YSZ组分的增加而增加；

The data showed that linear expansion coefficient and sintered shrinkage increased with the increase of YSZ content .

固化后的FRP筋的应变与温度变化呈线性关系，利用光栅测量FRP筋热膨胀系数为5.19×10-6/℃；

The relationship between temperature and strain is linear after FRP bar solidification , and the coefficient of thermal expansion is 5.19 × 10-6 / ℃ .

在-50℃～+150℃大温度范围下用FBG测材料的三维热膨胀系数

Measurement of the 3-D Thermal Expansion Coefficients of Material Used by a FBG During the Large-scale Temperature Between Negative 50 ℃ and Positive 150 ℃

通过在裸FBG外部涂敷热膨胀系数为61×10-6的丙烯酸脂材料，可以显著提高FBG的温敏系数和线性度。

However , coating material-Acrylate with larger coefficient of thermal expansion about 61 × 10-6 , can greatly improve the temperature sensing capacity of FBGs .

在铠装FBG温度传感器中，光栅粘贴于热膨胀系数较大的金属片（如Cu和Al）表面的线槽内。

In the metal-clad FBG temperature sensor , the FBG is bonded on the surface of metal fluted slice ( such as Cu and Al ) with biggish thermal expansion coefficient .

对合金进行固溶处理，发现残余应变会大幅度降低合金的CTE，但是会增加热膨胀系数变化的不稳定性。

Do the solid solution to the alloy , the residual strain reduce the CTE sharply .

Ta-YSZ的热膨胀系数大于YSZ，热导率小于YSZ。

The thermal expansion coefficient of Ta-YSZ is higher than that of YSZ .

以晶体Mo为例，讨论了非简谐振动对晶体的热膨胀系数、格林乃森参数的影响。

The influence of the anharmonic vibration on the expansion coefficient , Gr ü neisen constants of crystal Mo has been discussed in this article with the example of crystal .

由于HA与C/C热膨胀系数差异较大，HA涂层中有大量微裂纹交错分布在HA颗粒间。

Due to the high difference of thermal expansion coefficient between the HA and the C / C composites , there are a lot of microcracks appeared in the HA coatings .

以面心立方金属晶体Ag，Cu，Ni为例，讨论了非简谐振动对晶体的热膨胀系数、固体弹性模量的影响。

The influence of the anharmonic vibration on the expansion coefficient and elastic modulus has been discussed in this article with the examples of Ag , Cu and Ni which have the fcc structures .

合金热膨胀系数与VITA瓷达到正相匹配，可形成良好的结合。

It has the approximate thermal expansion coefficient with VITA 95 porcelain system and can form a good bonding .