本文研究了玻纤毡增强聚丙烯复合材料(GMT)成型过程中布料层数和操作工艺对流动行为的影响.结果表明,随着布料层数增加,流动面积增大,相同坯料质量时3层布料较单层布料流动总面积增加约30%.提高模腔温度和压力均有利于材料流动,适宜操作条件为模温80℃～90℃,压力15MPa以上.
参考文献
| [1] | Marsh G et al.Thermoplastics drives into the future[J].Reinforced Plastics,1998,42(10):46-50. |
| [2] | 戴干策.车用GMT材料应用形状与发展预测[J].汽车工艺与材料,1999(07):25-27. |
| [3] | 崔益华,陶杰.GMT片材及其在汽车工业中的应用[J].汽车工艺与材料,2003(04):16-19. |
| [4] | Albrecht M et al.Practical GMT materials data for use in component designs[J].Kunststoffe German Plastics,1993,83:23-27. |
| [5] | L. Zhang;G. Dai .Blank Design and Fiber orientation Distribution during compression Molding of GMT[J].International Polymer Processing: The Journal of the Polymer Processing Society,1999(4):350-357. |
| [6] | 张广平,朱永全,潘敏,戴干策.GMT制品流动成型研究[J].塑料工业,2001(02):41-43. |
| [7] | Soh SK.Flow and deformation of continuous glass fiber mat reinforced polypropylene sheets in compression molding[M].New York,1990:67-71. |
| [8] | Dweib M A et al.Fiber structure and anisotropy of glass reinforced thermoplastics[J].Composites Part A:Applied Science and Manufacturing,2000,31:235-244. |
| [9] | 张广平,戴干策.GMT压缩模塑流变行为研究[J].高分子材料科学与工程,2002(02):107-111. |
| [10] | Walter Michaeli;Matthias Ritter .The Quality is Right![J].Kunststoffe-Synthetics: Fachzeitschrift fuer Herstellung,Verarbeitung und Anwendung von Kunststoffen und neuen Werkst,2001(9):33-34. |
| [11] | Susumu Yamaguchi;Etsuko Tanigaki .Surface Smoothness of Glass Mat Reinforced Polypropylene Stamp able Sheet[J].Polymers & Polymer Composites,2004(4):333-339. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%