Three-dimensional braid structural composites represent a class of advanced materials which are reinforced by fiber braid preforms for primary structural applications.
三维编织结构复合材料是一种采用纤维立体编织预成型品增强的高级复合材料。
The porosity of preforms increased with the increase of starch contents.
随着造孔剂含量的增加，预制体气孔率升高。
With the fabricated preforms, the pressure casting process of porous aluminum alloy was studied.
利用所制备的预制块，研究了多孔铝合金的加压铸造工艺。
Injection moulding of bottle CAPS is distinctly different from that of preforms in that it is thin-wall moulding.
与瓶坯注塑截然不同，瓶盖的注塑是薄壁注塑。
The production of three dimentional spherical reinforced preforms by means of one-side-sewing technology is presented.
介绍了通过单面缝纫技术生产三维球面增强预型件的方法。
In the hot repressing of the powder sintered preforms, the increasing forging force increases its densities at a constant temperature.
在相同温度下进行粉末烧结体热复压，锻造力的增加往往使锻造密度也增加。
The fabrication technology of fiber preforms for liquid composite molding ( LCM ) is an important aspect on cost-effective composites.
纤维预成型技术是复合材料液体模塑工艺（LCM）低成本化中的重要方面。
This process can add mould pressure to the preforms through inflating the bladder. Thus, higher fiber volume fraction can be achieved.
该工艺通过向气囊内充压，对预成型体施加一定的成型压力，从而提高构件纤维体积含量及力学性能。
The results indicated that by HIPing porosities in the preforms can be closed and the densities can be increased, then the strength and ductility can be improved.
结果表明，热等静压处理可以闭合坯件内的疏松孔洞，提高合金致密度，进而提高合金的强度和塑性。
This article demonstrates the methodological principle and the way of design steps of 3 dimensional preforms for fibre reinforced composites on conventional looms.
本文介绍传统织机织制纤维增强复合材料三维预型件的织造原理、方法及步骤。
In this paper, densification laws of rotary forging powder sintered preforms and the property of components have been investigated with orthogonal experiment method.
本文利用正交实验等方法在自行设计的实验装置上对粉末烧结体的摆辗致密规律及压实体的性能进行了研究。
This paper introduces the advantage of PCVD method and describes the long PCVD equipment for making optical fiber preforms, performance parameters and the overview of applications.
介绍了PCVD制棒法的优点，描述了实用型PCVD法制造光纤预制棒系统的设备组成内容、性能参数及其推广应用的前景。
Roadmarking divided into: hot melt reticule, normal temperature cold paint line, color antiskid reticule, oscillation antiskid reflect light marking and processing preforms reticule.
道路划线分为：热熔标线，常温冷漆标线，彩色防滑标线，振荡防滑反光标线和预成型标线。
Research status at home and abroad on manufacturing techniques of composites with interpenetrating networks and their preforms were summarized, with focus on the special feature of every one.
总结了国内外在网络互穿复合材料及其预制件的制备工艺方面的研究现状，并且指出了各种工艺的特点；
Preforms with waveguide structure have been formed by using a built -in casting method.
用内铸法制得了具有波导结构的预制棒。
Preforms with waveguide structure have been formed by using a built -in casting method.
用内铸法制得了具有波导结构的预制棒。
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