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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Applicability of standard delamination tests (double cantilever beam and end notch flexure) for 5HS fabric-reinforced composites in weft-dominated surface

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Shiino, Marcos Yutaka [1] ; Alderliesten, Reyndert Christiaan [2] ; Donadon, Mauricio Vicente [3] ; Cornelis Voorwald, Herman Jacobus [1] ; Cioffi, Maria Odila Hilario [1]
Total Authors: 5
[1] Univ Estadual Paulista, UNESP, Mat & Technol Dept, Fac Engn Guaratingueta, Fatigue & Aeronaut Mat Res, Guaratingueta, SP - Brazil
[2] Delft Univ Technol TUDelft, Aerosp Struct & Mat, Fac Aerosp Engn, Delft - Netherlands
[3] Inst Tecnol Aeronaut ITA, Sao Jose Dos Campos, SP - Brazil
Total Affiliations: 3
Document type: Journal article
Source: JOURNAL OF COMPOSITE MATERIALS; v. 49, n. 21, p. 2557-2565, SEP 2015.
Web of Science Citations: 4

Currently, the standard delamination tests established by ASTM (available for mode I and mix mode) are limited to unidirectional composites. Although some researchers have conducted delamination tests in woven composites, their information is still limited. In order to understand the propagation behavior and the value of fracture toughness of woven composites, this article evaluated a 5HS carbon/epoxy composite with a weft-dominated surface. Tests were conducted in double cantilever beam and end notch flexure configurations using an energy-based approach for data reduction in modes I and II, respectively. The results were assessed in terms of delamination resistance curves (R-curves). Both delamination modes showed consistent behaviors for extending the application of the standard procedures, as the energy variation can describe well the crack growth dependence of the irregular surface caused by the crimp, which was more pronounced for mode I. (AU)

FAPESP's process: 11/01937-0 - Crack growth rate in 5HS carbon/epoxy composites manufactured by RTM: Relationship between axial loadings with pure modes of delamination I and II
Grantee:Marcos Yutaka Shiino
Support Opportunities: Scholarships in Brazil - Doctorate
FAPESP's process: 12/07646-0 - Evaluation of pressure gradient effect of RTM process on 5HS laminate by conducting DCB fatigue test
Grantee:Marcos Yutaka Shiino
Support Opportunities: Scholarships abroad - Research Internship - Doctorate