Solid particle erosion behaviour of various polyaryletherketone composites

被引：151
作者：
Harsha, AP
Tewari, US [1 ]
Venkatraman, B
机构：
[1] Indian Inst Technol, Ind Tribol Machine Dynam & Maintenance Engn Ctr, New Delhi 110016, India
[2] Def Met Res Lab, Hyderabad 500058, Andhra Pradesh, India
来源：
WEAR | 2003年 / 254卷 / 7-8期
关键词：
solid particle erosion; polyaryletherketone; composites; wear mechanism; scanning electron microscopy;
D O I：
10.1016/S0043-1648(03)00143-1
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The solid particle erosion behaviour of various polyaryletherketones (PAEKs) and their short fibre reinforced composites has been characterised. The erosion rates (ERs) of these composites have been evaluated at different impingement angles and impact velocities. Silica sand particles of size ranging between 150 and 212 mum were used as erodent. Neat polyetheretherketone (PEEK) and 20% glass fibre (GF) reinforced PEEK showed peak erosion at 30degrees impingement angle whereas other PAEK matrix and their composites showed peak erosion at 60degrees impingement angle. The ketone/ether ratios among the selected polyaryletherketones showed significant influence on erosion behaviour at different impingement velocity and mass of erodent. Better correlation was observed between steady-state erosion rate and relevant mechanical properties. The morphology of erodent surfaces was examined by using scanning electron microscopy (SEM). Possible erosion mechanisms are discussed. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：693 / 712
页数：20
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