PROCESSING AND MECHANICAL-PROPERTIES OF ORIENTATED PREFORMED GLASS-MAT-REINFORCED THERMOPLASTICS

被引：26

作者：

ERICSON, ML ^{[1
]}

BERGLUND, LA ^{[1
]}

机构：

[1] UNIV LULEA,DEPT MAT & PROD ENGN,S-95187 LULEA,SWEDEN

来源：

COMPOSITES SCIENCE AND TECHNOLOGY | 1993年 / 49卷 / 02期

关键词：

GLASS-MAT-REINFORCED THERMOPLASTICS (GMT); PREFORMING; FIBER ORIENTATION; TENSILE MODULUS; TENSILE STRENGTH;

D O I：

10.1016/0266-3538(93)90051-H

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

The stiffness and strength of moulded, glass-mat-reinforced thermoplastics (GMT) components would be increased by the presence of highly orientated fibres at critical locations. A previously described method to produce preformed GMT materials was therefore further developed to make orientation of the fibres in the preform possible. Two 'orientation plates' were used to orientate the fibres during spray-up of a glass fibre/polyethylene preform. The preform was then heated by hot gas and compression moulded. The ratio of the highest and lowest stiffnesses of a given plate was in the range of 2.7 to, 3.8. Micromechanics equations were used with classical lamination theory to design a model laminate with stiffness properties in close agreement with experimental data. Reasons for the relatively wide fibre orientation distribution and low fibre length efficiency factor obtained for the model laminate are discussed and improvements suggested.

引用

页码：121 / 130

页数：10

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