coefficient of expansion

The housing has a higher coefficient of expansion than the ring .

壳体比圆环具有较高的膨胀系数。

Water has a variable coefficient of expansion .

水的膨胀系数是可变的。

Measuring method for differential coefficient of expansion and the standard uncertainty is introduced as well .

同时介绍了微分膨胀系数的测量方法及其测量不确定度。

After jointing , coefficient of expansion leads to remain force .

接合后存在残余应力起因于材料的热膨胀系数。

Results show that with increasing of aluminium content the phase increases and coefficient of expansion decreases .

结果表明：随着合金中Al含量的增加，组织中α固溶体的数量增加，膨胀系数减小；

The result indicated that thermal coefficient of expansion between layers resulted in the residual stress .

结果表明层间的热膨胀系数差异导致了其间的残余应力，并且应力的分布与厚度比例和温度差有关。

Simple Measurement Method of coefficient of Expansion Mercurys

测量水银体胀系数的简便方法

Copper , with its extremely high coefficient of expansion , expands more during heating than steel does .

由于铜的膨胀系数特别高，铜在加热时比钢膨胀得多。

In this paper , a method more suitable to temperature compensation application by using coefficient of expansion instead of average coefficient is advanced .

提出了一种更切合实际的温度误差补偿和修正方法：采用微分膨胀系数代替平均膨胀系数。

This paper analyzes the factors that influence the measure of linear coefficient of expansion , so that the error of the experiment can be decreased .

对可能影响金属线胀系数测量的各个因素进行分析，以达到减小实验误差的目的。

Design idea of the cavity using two different metal material of about the same coefficient of expansion to improve self-compensation action of the cavity is presented .

为了改进单一材料构成的腔体的温度自补偿特性，提出了利用膨胀系数相近的两种材料来做双频腔的方法。

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 LaFe_xNi_ ( 1-x ) O_3 thermal coefficient of expansion was measured by PCY model high temperature horizontal expansion apparatus .

利用PCY型材料热膨胀系数测试仪测量了LaFexNi（1-x）O3系列材料的热膨胀系数。

( trademark ) a borosilicate glass with a low coefficient of expansion ; used for heat-resistant glassware in cooking and chemistry .

（商标）一种硼硅酸盐玻璃，膨胀率低，用于制烹饪和化学用抗热玻璃器具。

The coefficient of expansion of alloy Al-Cu-Fe is lower than the coefficient of expansion of copper , iron and aluminum ~ [ 1 ] .

合金的热膨胀系数小于铝、铜而与铁元素的热膨胀系数相当。

The results show that the CO_2 injection makes coefficient of expansion , volume coefficient and gas-oil ratio of the formation fluid be increased , and the oil viscosity be reducted .

研究结果显示：CO2的注入使芳48断块膨胀系数、体积系数、气油比增加，粘度降低；

The paper discusses the variability of the influence factors of volumetric coefficient-clearance volume , pressure ratio , coefficient of expansion , which has a specific effect upon the ventilation of the piston compressor .

论述了容积系数的影响因素余隙容积、压力比、膨胀指数的大小变化对活塞式压缩机排气量的具体影响情况。

Hollow glass bead ( HGB ) is a new type of lightweight inorganic non-metallic materials , with the advantages of low density , low thermal conductivity , low coefficient of expansion and high compressive strength .

空心玻璃微珠（HGB）是一种新型的轻质无机非金属材料，具有低密度、低导热系数、低膨胀系数、高抗压强度等优点。

Put forward the following research result : ( 1 ) The life of the roll shell not only affect by material mechanics function , but also directly relate with the ability of transmit heat , hot coefficient of expansion .

铸轧辊套疲劳寿命不仅受辊套材料力学性能的影响，而且与其导热能力、热膨胀系数直接相关。

The relationship of the alloy elements , the hardness and the fracture toughness to the number and the propagation depth of cracks were discussed as well as the effect of the coefficient of expansion on the thermal fatigue behavior .

还讨论了合金元素，钢的硬度及断裂韧性对热疲劳裂纹产生的条数、裂纹扩展深度的关系以及钢的膨胀系数大小对钢的热疲劳性能的影响。

Conventional printed wiring boards ( PWBs ) are not satisfactory substrates for LCCCs because the mismatch in thermal coefficient of expansion ( TCE ) causes solder joints to crack .

普通印制板（PWB）对于无引线陶瓷芯片载体不是满意的基板，因为热膨胀系数（TCE）不匹配能引起铅焊处开裂。

It is shown that the coefficient of expansion , of fluoride opal glass should be slightly larger than that of the flashing transparent glass so as to minimize the stress between the two glass layers .

本工作指出，套料时为了减少层间应力，乳浊玻璃的热膨胀系数应稍大于套制的透明料。

A laser scanning measuring method and system is presented . It is used in the non contact measurement of the high temperature deformation of materials and their linear coefficient of expansion , based on the laser slit scanning measurement and the infrared temperature measurement technology .

基于激光狭缝扫描检测技术和红外测温技术，提出了一种用于材料高温变形量和线膨胀系数非接触自动测量的激光扫描测量方法和测量系统。

It was found that among the samples doped with Al2O3 particles less than 3wt % , the 2 % Al2O3 / Ag composite has the maximum hardness and tensile strength and minimum linear coefficient of expansion and elongation percentage .

在Al2O3质量分数小于3%样品中，2%Al2O3/Ag基复合材料具有最大的硬度、抗拉强度以及最小的线膨胀系数与延伸率。

With konjac seed tubers sewed bigger , harvest rate and single tuber weight grow more , plot yield is lower , coefficient of expansion go lower . But the differences of planting density of coefficient of expansion reduce their difference .

随着种芋增大，收获率和单芋重量提高，小区产量下降，膨大系数降低，但不同密度的膨大系数差异缩小。

Ceramics reinforced aluminum alloys have attractive properties , such as high specific strength , high modulus , high tenacity , high thermal conductivity and electric conductivity , small coefficient of expansion , good abradability , high elevated temperature strength , good surface stability , etc.

铝基复合材料具备高比强度、高模量、高导热导电性、膨胀系数小、耐磨性好、高温强度高、表面稳定性好等优异性能，能够较好满足高性能发动机对活塞新材料的需求。

Theory Study of New Method to Measure Linear Coefficient of Thermal Expansion of Material

一种测量材料线膨胀系数的新方法

Study of master body of material coefficient of thermal expansion

标准样件的材料热膨胀系数

Effect of Mix Proportion on Coefficient of Thermal Expansion of Concrete

配合比参数对混凝土热膨胀系数的影响

Research on the Measurement of Metallic Coefficient of Linear Expansion

金属线胀系数测量实验研究