模压压力

模压压力对焦炭粉体堆积密度影响的试验研究

Effect of molding pressure on packing density of coke powder

采用液压机和先进的数据采集系统对模压压力影响焦炭粉体的堆积密度进行了研究。

The effect of molding pressure on packing density of coke powders has been studied in a hydraulic press machine with advanced data-collected system .

分析了不同的磁粉粒度和模压压力对粘结磁体磁性能的影响，结果表明，随着磁粉粒度的减小，μi，μm，Bs，Br，Hc也随之减小；

Influence of magnetic powder particle size and forming pressure the on the magnetic properties of the bonded magnet is analyzed .

综合研究了玻璃粉体粒度、模压压力、固化工艺对绝缘子性能的影响。

Furthermore , the effect of technics on the properties of the glass insulator also was studied .

模压压力对接触电阻已有一定程度的影响，但其影响幅度不如接触压力和树脂含量那么大。

The compression pressure and temperature had a smaller influence on contact resistance compared with contacting pressure and PF content .

粘结磁体的磁性能与模压压力有关，并存在一个模压压力磁饱和参数；

The magnetic properties of bonded magnets and formation pressure have certain relation , and exist a pressure magnetic saturated parameter .

对多粒度组成焦炭颗粒而言，模压压力及粒度组成配比对其耐压强度系数的影响不甚明显；

In the case of coke particles with many kinds of grain size , the molding pressure and the grain mixing ratio have a little effect on the compressive strength coefficient .

但是纤维体积分数的增加要通过提高模压压力来实现，当模压压力过大时，纤维出现机械损伤，复合材料变脆、力学性能降低。

But fiber volume fraction are raised via elevating molding pressure , when the molding pressure are too high the fibers will be damaged seriously , the composites will become brittler and show poor mechanical properties as a result .

本文还以人工石墨为导电填料、聚酰亚胺和苯并嗯嗪为粘结剂，考察了树脂含量、模压压力、保温时间等对复合双极板的影响。

Using artificial graphite as the conductive filler and the above two kinds of resin as the binder , the paper investigated the effect of resin content , molding pressure and holding time on the properties of composite bipolar plate .

转轮叶片热模压成形压力中心的动态计算

Dynamic calculation of pressure center during hydraulic turbine blade hot forging

研究了模压温度、压力、加压时机、保压时间等模压工艺参数对制品力学性能及表面质量的影响，并通过正交试验确定最佳的模压工艺。

Furthermore , optimal molding parameters such as molding temperature , molding pressure and cure time are determined by orthogonal test .

基于其分析结果，考察了模压成型温度、压力、时间和加载方式等工艺参数对复合材料层压板力学性能的影响，并初步探讨了这些因素对材料结构与性能的调控机制。

Further , the influence of processing parameters ( including molding temperature , pressure , loading time and loading procedures , etc. ) on the mechanical properties of composite laminates was investigated .

采用浸渍模压工艺制备炭纸时，模压压力和模压温度是影响模压工艺的重要因素，对炭纸的厚度、密度、气体渗透速度、面电阻率都有显著的影响。

The molding pressure and temperature are two key factors that influence the molding process , which have great effects on the thickness , density , permeability and in-plane electrical resistance of the carbon paper .

研究了模压成型过程中模压温度、模压时间、模压压力以及冷却时间四个因素对样品性能的影响。

On the other hand , those factors influencing on the PTC effect of the composite are obvious in mold pressing temperature , mold pressing time and mold pressing pressure , but influence on PTC intensity of the composite is low in the cooling time .

以热塑性聚丙烯树脂（PP），天然鳞片石墨（NG）为主要原料，采用模压工艺制备了NG/PP复合双极板，考察了不同模压压力、模压时间对双极板性能的影响。

Thermoplastic polypropylene resin ( PP ) and natural crystalline flake graphite ( NG ) were chosen to make composite bipolar plate by compression molding . The influences of molding pressure and molding time on the properties of the NG / PP composite bipolar plates were investigated .

将制得的复合材料与树脂混合后模压成型，考察了不同催化剂负载量下生长的纳米碳纤维、纳米碳纤维生长时间、模压压力等因素对复合双极板的影响。

After mixing the composite material with the resin , the composite was shaped by thermal molding technique . The effect of carbon nanofibers under different catalyst loading and growth time of carbon nanofibers on the performance of the composite bipolar plate were studied .

高温模压工艺是由模压成型工艺演绎而来的一种快速成型技术，但在制备沥青基炭复合材料时，该工艺明显存在着装备投资大、模压压力低和工艺实用性差的不足。

High-temperature mould pressing technology for pitch-based carbon composites is a rapid shaping technique improved from mould pressing technology , but it has many disadvantages , such as great investment in equipments , lower molding pressure and poor technological practicability .