Roller-assisted variant of the split disc test for filament-wound composites

被引：4
|
作者：
Jones, IA
Middleton, V
Owen, MJ
机构：
[1] Department of Mechanical Engineering, University of Nottingham, Nottingham NG7 2RD, University Park
来源：
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 1996年 / 27卷 / 04期
关键词：
filament winding; materials testing; split disc test;
D O I：
10.1016/1359-835X(95)00043-2
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The split disc method for materials testing is modified to facilitate the determination of stress-strain characteristics of suitable filament-wound ring specimens. Needle rollers are introduced between the dees and the ring to alleviate friction. Strain is approximately uniform through the thickness of the ring except in the region of the split line where bending is present. Both an analytical approach (based on beam-on-elastic-foundation theory and contact mechanics) and a non-linear finite element analysis show that this effect is localized. Experience of using this test demonstrates the usefulness of the method and highlights some pitfalls.
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页码：287 / 294
页数：8
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