查询词典 composites

The copper-coated graphite/silver matrix composites have been made by the method of powder metallurgy. The properties of the composites, such as volume density, resistivity, hardness, bending strength and tribological behavior were tested, and comparison was made with silver-graphite composite of the same content graphite.

将镀铜石墨粉与银粉用粉末冶金法制备成镀铜石墨－银基复合材料，对其密度、电阻率、硬度、抗弯强度和摩擦磨损性能进行测试，并与相同石墨含量的银－石墨复合材料进行对比。

The results show that with the increase of hot-pressing temperature, the interior density of composites increases and the pore ratio decreases, and piezoelectric composites hot-pressed at 180～190℃ have the compactest structure and best dielectric and piezoelectric properties.

结果表明，随着热压温度的升高，复合材料内部致密度提高，气孔率降低；当热压温度为180～190℃时，压电复合材料缺陷最少，排列最密实，其介电和压电性也最好。

A kind of epoxies composites composed of flexible epoxy and rigid epoxy was prepared by using polyamine as curing agent and damping properties of the composites were studied.

以三乙烯四胺为固化剂，将柔性环氧树脂FE1与刚性环氧树脂CYD127共混，制备出FE1/CYD127环氧树脂复合材料，分析研究了材料的阻尼性能。

In this study, room-temperature-vulcanized silicone rubber and high-temperature-vulcanized silicone rubber are use to prepare silicone composites. Silicone composites were prepared by adding different proportion of mica, silica or carbon fiber. The inorganic filler was thoroughly dispersed in silicone rubber by two-roll mill. This study focused on the influences of various fillers and additive level on the mechanical, thermal properties, anti-ablation and 90peel strength of the silicone hybrids.

中文摘要本实验分别选用室温熟成型矽橡胶以及高温熟成型矽橡胶作为高分子基材，再加入不同比例各种填充材料，例如：奈米云母、奈米二氧化矽、碳纤维等无机材料，并以双滚筒混炼法来制备矽橡胶复合混成材料，再经由其机械性质、耐烧蚀、黏著试验等量测，来探讨添加不同填充材及其添加量对矽橡胶热物性之影响。

Carbon fiber medium copper graphite composites with various carbon fiber contents were prepared by means of powder metallurgy. The dry friction tests of the composites under no current or current density of 20 A/cm 2 were conducted for 50 h under sliding velocity of 15 m/s and load of 4.9 N.

对采用粉末冶金法制备的含不同质量分数的碳纤维－中铜－石墨复合材料，在滑动速度为15m／s，载荷4.9N的条件下，分别进行了50h的不通电和通电干摩擦试验，并用扫描电镜对其磨损表面进行了观察分析。

Two bismaleimide fiber composites filled with graphite and copper were prepared by laminate molding process. The effect of graphite and copper content on the tribological properties of composites were investiged. The morphology of the composite worn surface was observed by scanning electron microscopy.

采用层压成型制备了2类改性双马来酰亚胺纤维复合材料，分别考察了石墨、铜粉的用量对纤维复合材料摩擦性能和力学性能的影响，并用扫描电镜对复合材料的磨损表面形貌进行了分析。

Due to the stitch fiber, there is a big difference on design method between stitch/RTM composites and traditional laminate composites, which is just the point that the engineering practice should resolve.

由于缝合纤维的作用，缝合/RTM复合材料在设计计算的方法上与传统层压板有很大的不同，而这是实现工程应用所必须解决的问题。

Biodegradable composites reinforced with bagasse fibre were prepared by a press forming,and the thermal properties of fibre and the flexural modulus of composites were investigated in view of the fibre content and length.

利用压制成型制备了甘蔗渣纤维增强可降解复合材料，分析了纤维的热分解性能，研究了纤维含有量和纤维长度对材料弯曲模量的影响，利用Cox剪滞法和材料的结构特点，探讨了一种新的修正模型对弯曲模量的预测。

The results showed: Composites showed microstructure of EP coating ultramicro iron, which could enhance the ability of antioxidation of composites.

研究结果表明：复合粒子结构为EP包裹超微铁核壳结构，该结构提高了复合粒子的抗氧化能力。

The results showed: Composites had better compactness than composites of ultramicro iron-coated hollow glass bead.

结果表明：此复合粒子较中空玻珠/超微铁复合粒子有更好的致密性。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。