Effect of fiber content and orientation on the scratch behavior of short glass fiber reinforced PBT composites

被引：22

作者：

Cheng, Qian ^{[1
]}

Jiang, Han ^{[1
]}

Li, Yonghua ^{[2
]}

机构：

[1] Southwest Jiaotong Univ, Sch Mech & Engn, Appl Mech & Struct Safety Key Lab Sichuan Prov, Chengdu 610031, Sichuan, Peoples R China

[2] Kingfa Sci & Technol Co LTD, Guangzhou 510663, Peoples R China

来源：

TRIBOLOGY INTERNATIONAL | 2020年 / 146卷 / 146期

基金：

中国国家自然科学基金;

关键词：

Scratch; Short glass fiber; Fiber reinforced composites; Polybutylene terephthalate; MECHANICAL-PROPERTIES; STICK-SLIP; RESISTANCE; POLYPROPYLENE; VISIBILITY; PARAMETERS; DAMAGE;

D O I：

10.1016/j.triboint.2020.106221

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

To investigate the scratch behavior of short glass fiber (SGF) reinforced polybutylene terephthalate (PBT) composites, the scratch tests with the progressively increasing normal load were conducted for PBT reinforced with 0 wt%, 10 wt%, 20 wt% and 30 wt% SGF. The effect of fiber content and orientation on the scratch behavior of PBT composites and underlying scratch damage mechanisms were investigated. The addition of SGF alters the critical normal loads of onset fish-scale deformation and material removal respectively. The glass fiber fracture was observed and its damage mechanism was analyzed. The results show that although the bulk mechanical properties of PBT are enhanced, the addition of glass fiber generally causes poor scratch resistance. The guidance for designing scratch-resistant SGF reinforced PBT is also discussed.

引用

页数：10

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