By adjusting these two parameters, can be near zero coefficient of thermal expansion.
通过调整这两个参数,可以获得接近零的热膨胀系数。
During the study we tried to lower the thermal expansion coefficient of cordierite by adding additives.
在本研究中,还试图通过添加外加剂来降低堇青石的热膨胀系数。
If the valve body material can be welded, but very different thermal expansion coefficient, or changes in operating temperature range of a larger thread junction closure weld must be honey.
如果阀体的材料是可以焊接的,但膨胀系数差异很大,或者工作温度的变化幅度范围较大,螺纹连接部必须进行蜜封焊。
Designed to complete the composite coefficient of thermal expansion of the calculation and prediction functions.
设计完成对复合材料的热膨胀系数的计算和预测功能。
In contrast with metal and thermoplastic material, which has a higher coefficient of thermal expansion (CTE).
相较于金属和热塑材料,什么材料具有更高的热膨胀系数(CTE) ?
Volumetric expansion coefficient and compressibility of water and steam are important parameters usually applied in the reactor thermal hydraulic, heat transfer and engineering thermodynamics.
水和蒸汽的体膨胀系数和压缩率是反应堆热工水力、传热学和工程热力学中常用的参数之一。
Two methods are established to predict the thermal expansion coefficient of Unidirectional composite based on micro-mechanics.
基于细观力学方法建立了两种预测单向复合材料的热膨胀系数的方法。
On the assumption that the product of volume thermal expansivity and bulk modulus based on the thermodynamic approximation theory, a new equation is presented for volume thermal expansion coefficient.
根据热力学近似理论,在对体积热膨胀系数和体积弹性模量的乘积进行假设的基础上推导了一个体积热膨胀系数与体积和温度间的关系式。
The analytical results show that the curing residual stresses of the twisted fiber composites in which there are different coefficient of thermal expansion due to curing can be decreased greatly.
分析结果表明:加捻纤维束构成的复合材料,由于纤维适当加捻,可以大大减弱纤维与基体各具不同的热膨胀系数而产生的固化残余应力。
The influences of lithia content on the melting temperature, mechanical properties and thermal expansion coefficient of low temperature frit were studied.
本文研究了氧化锂加入量对低温熔块的熔融温度、力学性能、热膨胀系数的影响。
Thermal deformation temperature and liner expansion coefficient of the composite were decreased.
该复合材料的热变形温度有所降低,但线膨胀系数减小。
The effect of vacuum thermal cycles on the linear expansion coefficient profile was analyzed using a proposed two-dimensional model of micro-damage.
通过所建二维细观损伤模型分析了真空热循环次数对材料线膨胀系数曲线影响的原因。
Synthetic diamond is competitive in heat dispersing materials, because it has high thermal conductivity, low coefficient of thermal expansion and lower price.
人造金刚石由于其自身高的热导率、低的热膨胀系数和相对低的价格已成为制造新型散热材料的研究热点。
Proceed from different heat coefficient of expansion of two different metals for thermal bimetals with dish shape, the calculation modul was given.
从碟形双金属片的两块不同金属的热膨胀系数出发,设计了计算模型。
The thermal expansion coefficient of fluosilicate glass-ceramics is mainly affected by the crystal phases and their amount.
氟硅酸盐微晶玻璃的热膨胀性能主要取决于微晶玻璃的晶相组成及其相对含量。
A micromechanical model was proposed to predict the thermal expansion coefficient of composite.
建立了一种细观力学模型用于预报复合材料的有效热膨胀系数。
A new digital image correlation method (DICM) measurement is utilized to investigate the thermal expansion coefficient of the far-infrared ceramic coated the semiconductor galvanothermy membrane.
本文采用一种新的数字图像相关方法测量带有半导体电热膜的远红外陶瓷热胀系数。
The effect of dielectric constant, dielectric loss factor, coefficient of thermal expansion (CTE)and characteristic impedance of substrate materials on properties of MMB are mainly discussed.
介绍了微波多层板所用基材的性能参数,重点阐述了材料的介电常数、介质损耗、热胀系数、特性阻抗对多层板性能的影响。
The catalogue of transition-metals, thickness and the thermal expansion coefficient which influence the strength of the bonded places are studied as well.
同时还研究了过渡层金属的种类、厚度及线膨胀系数对接合强度的影响。
This paper briefly introduces the performance requirements of the insulating materials such as the thermal conductivity, heat expansion coefficient, and density, etc.
简要介绍了保温隔热材料的性能要求(如导热系数、密度、膨胀系数等)、作用原理以及影响材料导热系数的主要因素。
In this paper, the test method of the linear thermal expansion coefficient of hardened cement paste is studied.
本文研究了水泥石线性热膨胀系数的测试方法,并针对本试验方法制定了相关的试验制度。
This paper reviews the research progress of rapid thermal response composite materials with high thermal conductivity and composite materials with controllable coefficient of thermal expansion.
综述了高导热系数的快速热响应复合材料及可控热膨胀系数复合材料的研究进展,并介绍了热适应复合材料在电子器件散热领域的应用。
The microcracks have certain effects on reducing the average thermal expansion coefficient, nevertheless they decrease the mechanical strength of the ceramics.
微裂纹对降低陶瓷材料的平均膨胀系数有一定作用,但同时又降低了材料的机械强度。
The definition and classification of material's thermal expansion coefficient are introduced briefly. The thermal deformation calculation method and error of parts often used in practice are analyzed.
简要介绍了材料热膨胀系数的定义及分类,并对经常使用的零件热变形的计算方法及计算产生的误差进行了分析。
For increased reliability, a reduced CTE (coefficient of thermal expansion) mismatch with the PCB reduces the possibility of solder-joint cracks resulting from thermal cycles.
为提高可靠性,降低的热膨胀系数(热膨胀系数)的不匹配与PC B减少了从热循环所得的焊点的裂缝的可能性。
The weld end has a coefficient of thermal expansion, which is not between the values for the coefficients of thermal expansion for the discharge end and the base electrode.
该焊接端具有一个热膨胀系数,其不在该放电端和基本电极的热膨胀系数的值之间。
The application of the polyimide with low coefficient of thermal expansion in micro - electronics technology, soft - printing circuit plate were summarized.
综述了低热膨胀聚酰亚胺在微电子技术、柔性印刷电路板等方面的应用。
More specifically, the weld end has a coefficient of thermal expansion which is greater than the coefficients of thermal expansion for the discharge end and base electrode.
更具体地,该焊接端的热膨胀系数大于该放电端和基本电极的热膨胀系数。
The components of hybrid composites are quite complicated and diverse. Therefore it 's difficult to predict its thermal expansion coefficient.
由于混杂复合材料组分多、结构复杂,因此预测其热膨胀系数难度较大。
The components of hybrid composites are quite complicated and diverse. Therefore it 's difficult to predict its thermal expansion coefficient.
由于混杂复合材料组分多、结构复杂,因此预测其热膨胀系数难度较大。
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