查询词典 composites

The dispersion of particles in cyanate ester was also observed with the aid of TEM. Moreover, the effect of the content of particles on the dielectric properties of cyanate ester composites was investigated.

利用透射电子显微镜，观察了粒子在氰酸酯基体中的分散情况，分析并讨论了添加粒子对氰酸酯复合材料介电性能的影响。

And they have been used in composites, adhesives, and electrics. However, like most other thermosets, they have suffered the drawback of brittleness. At the same time, reports on cyanate esters are all focused on bisphenol A dicyanate ester.

但像其它的热固性树脂一样，氰酸酯树脂普遍存在脆的弱点，限制了其应用，同时，目前关于这类性能优异的树脂基体的研究都集中在双酚A型氰酸酯树脂上。

Flame retardant POM composites were prepared using TPU as carrier to introduce melamine cyanurate into POM matrix, and even dispersion of MCA in polymer matrix was obtained. The prepared flame retardant POM possesses good mechanical properties and flame-retardancy.

采用三聚氰胺氰尿酸盐／聚氨酯复合阻燃剂阻燃聚甲醛，阻燃剂粒子均匀分散于聚氨酯分散相中，解决了阻燃剂与聚甲醛直接共混相容性差、材料性能劣化的难题，获得了阻燃性能和力学性能较好的阻燃聚甲醛材料。

The flame retarding mechanism of MCA on POM was that formaldehyde and formate acid were absorbed by melamine resulting from melamine cyanurate pyrolysis and temperature of burning materials was reduced because melamine cyanurate sublimation absorbed heat and thermalplastic polyurethane absorbed formaldehyde and enhanced stability of POM composites.

热失重、红外和气质联用分析表明，MCA／TPU复合阻燃剂对聚甲醛的阻燃作用是由于三聚氰胺氰尿酸盐高温分解并吸热，降低材料燃烧区域的温度；另一方面MCA高温分解生成的三聚氰胺可吸收聚甲醛分解产生的甲醛和甲酸；此外，TPU可提高聚阻燃甲醛的热稳定性，有利于阻燃。

Stressed oxidation testing on C/SiC composites in dry and wet oxygen environments under cyclic and constant stress was conducted in the present study.

研究了干氧和湿氧两种气氛、疲劳和蠕变两种应力下C/SiC复合材料在1300℃的应力氧化行为。

The composites, using Al-11wt%Mg and A172Ni12Co16 decagonal quasicrystal as matrix and reinforced particles respectively, were fabricated by mechanical stirring method.

以Al-11wt%Mg合金为基体，十面体准晶相Al72Ni12Col6为增强颗粒，通过机械搅拌的方法制备Al72Ni12Col6/Al-11wt%Mg复合材料。

The effects of the sintering additive on the densification, microstructure and mechanical properties of the composites were investigated.

研究了烧结助剂对材料致密化、显微结构及力学性能的影响。

Ethanol is a new promising precursor for the densification of C/C composites.

乙醇是一种很有应用前景的制备C/C复合材料的前驱体。

There are only a few,if any,pores in matrix and the density of C/SiC composites manufactured by PCCVD technique can achieve 96% of theoretical density.

使用PCCVD技术制造的C/SiC复合材料，实际密度可达其理论密度的96%。

With the filling of diabase, the mechanical properties of the composite increased first and then decreased with a top tensile strength of 56.5Mpa and a top impact strength of 70.1Mpa. These illuminated that the diabase fiber reinforced PVC composites could be used as structure materials.

复合材料的力学性能随着辉绿岩的增加先升后降，复合材料拉伸强度最高可达56.5MPa，复合材料冲击强度最高可达70.1MPa，说明辉绿岩纤维增强PVC复合材料作结构材料使用。

The small blue capacitor has very high chances to go fully shorted compare to electrolytic capacitor which is very rare.

小蓝电容器具有很高的机会去充分地缩短了比较电解电容器，这是非常罕见的。

In the Italian campaigns of 1513 and 1515, when the Swiss won the victories of Novara and Marignan, he acted as army chaplain.

在意大利的运动， 1513年和1515年，当瑞士赢得了胜利，诺瓦拉和marignan ，他担任军队的牧师。