The effects of back-up on drilling machinability of filament wound GFRP composite pipes: Mechanical characterization and drilling tests

2021 ◽  
Vol 68 ◽  
pp. 1535-1552
Author(s):  
Şakir Yazman
Keyword(s):  
Mechanical Characterization ◽  
Filament Wound ◽  
Gfrp Composite ◽  
Composite Pipes

Tolerance of Composite Pipes to Local Impact Damage

1996 ◽  
Vol 210 (3) ◽  
pp. 181-192 ◽  
Author(s):  
S R Reid ◽  
C Peng ◽  
J N Ashton
Keyword(s):  
Damage Tolerance ◽  
Impact Damage ◽  
Local Loading ◽  
Experimental Programme ◽  
Filament Wound ◽  
Nose Shape ◽  
Local Impact ◽  
Chopped Strand Mat ◽  
Composite Pipes

The results of an extensive experimental programme on local loading of composite pipes are presented. Particular attention is directed to the influence of projectile nose shape on the damage tolerance of the pipes. Both filament wound pipes and lined chopped-strand mat pipes are considered.

Material characterization of filament-wound composite pipes

2018 ◽  
Vol 206 ◽  
pp. 474-483 ◽  
Author(s):  
William Toh ◽  
Long Bin Tan ◽  
Kwong Ming Tse ◽  
Anthoni Giam ◽  
Karthikayen Raju ◽  
...  
Keyword(s):  
Material Characterization ◽  
Filament Wound ◽  
Filament Wound Composite ◽  
Composite Pipes ◽  
Wound Composite

Prediction of Bending Strength for Filament-Wound Composite Pipes

2003 ◽  
Vol 22 (8) ◽  
pp. 695-710 ◽  
Author(s):  
T. Natsuki ◽  
H. Takayanagi ◽  
H. Tsuda ◽  
K. Kemmochi
Keyword(s):  
Bending Strength ◽  
Filament Wound ◽  
Filament Wound Composite ◽  
Composite Pipes ◽  
Wound Composite

Micro Mechanical Model of Filament Wound Composite Pipe With Damage Analysis

2006 ◽  
Author(s):  
Chuwei Zhou ◽  
Zihui Xia ◽  
Qiaoling Yong
Keyword(s):  
Structural Analysis ◽  
Mechanical Model ◽  
Local Stress ◽  
Filament Winding ◽  
Low Velocity Impact ◽  
Damage Analysis ◽  
Low Velocity ◽  
Filament Wound ◽  
Composite Pipes ◽  
Structural Scale

Filament winding (FW) is one of the most common techniques for manufacturing composite pipes. The material properties and failure mechanism of composite pipes depend largely on winding pattern. In this study a micro mechanical approach for filament wound composites (FWCs) is pursued. A diamond-shaped repeated unit cell (RUC) is first constructed which characterizes the micro architecture of FWC pipe, such as winding angel, shift between successive circuits and the area of local undulation region. The micro mechanical model is embedded into commercial FEM code of ABAQUS as user-defined subroutine thus the link between the analyses in macro engineering structural scale and in micro material structural scale is established. By averaging micro stiffness constants over the cell macro ones needed for engineering structural analysis can be obtained. On the other hand, the macro structural analysis provides average stresses/strains of the cell locating at any concerned region of the macro structure for local stress and damage analysis. Effects of tow undulation caused by tow crossover on micro stresses are taken into accounted. The model is applied to glass/epoxy wound pipes with various winding angles and winding shifts. Mechanical properties are predicted and damage evolutions are simulated. The effects of delamination damage, usually introduced by lateral low velocity impact, on stiffness and ultimate strength of FWC pipe are also investigated.

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