POLYPROPYLENE-GLASS-FIBER COMPOSITES FABRICATED BY DIRECT-FIBER-FEEDING INJECTION MOLDING: EFFECT OF SIZING AGENT AND SCREW SPEED

被引：3

作者：

Zhang, Jing ^{[1
]}

Cao, Shengbin ^{[1
]}

机构：

[1] Shanghai Dianji Univ, Inst Mat Sci, 1350 Ganlan Rd, Shanghai 201306, Peoples R China

来源：

MATERIALI IN TEHNOLOGIJE | 2018年 / 52卷 / 03期

关键词：

composites; direct fiber feeding injection molding; glass fiber; polypropylene; MECHANICAL-PROPERTIES; STRENGTH;

D O I：

10.17222/mit.2017.209

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Direct-fiber-feeding injection molding is a new way in which the thermoplastic material is injected with continuous fiber and molded in one operation. It could eliminate the fiber attrition and reduce fiber breakage. This paper mainly investigates the effect of the sizing agent on the tensile strength of glass fiber/polypropylene composites fabricated by the new method. Then, the effect of screw speed on the mechanical properties of the polypropylene-glass-fiber composites fabricated by this new technique. Glass-fiber-sized polypropylene shows better interfacial bonding than glass-fiber-sized polycarbonate. Composites with a higher screw speed had lower mechanical performance due to the poor dispersion of glass fibers in the composites.

引用

页码：375 / 379

页数：5

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