Fracture toughness of the tensile and compressive fibre failure modes in laminated composites

2006 ◽  
Vol 66 (13) ◽  
pp. 2069-2079 ◽  
Author(s):  
S.T. Pinho ◽  
P. Robinson ◽  
L. Iannucci
Keyword(s):  
Fracture Toughness ◽  
Failure Modes ◽  
Laminated Composites ◽  
Fibre Failure

scholarly journals Mechanisms of Mode I Interlaminar Fracture of Glass Woven Fabric Composites

2000 ◽  
Vol 9 (3) ◽  
pp. 096369350000900 ◽  
Author(s):  
M. Kotaki ◽  
T. Kuriyama ◽  
H. Hamada ◽  
Z. Maekawa ◽  
I. Narisawa
Keyword(s):  
Fracture Toughness ◽  
Laminated Composites ◽  
Damage Zone ◽  
Woven Fabrics ◽  
Woven Fabric ◽  
Mode I ◽  
Interlaminar Fracture ◽  
Woven Fabric Composites ◽  
Fabric Composites ◽  
Silane Concentration

Mode I interlaminar fracture behaviours were investigated on the laminated composites reinforced with plain glass woven fabrics which were treated with different silane concentrations. The low silane concentration specimen indicated higher fracture toughness, compared to the high silane concentration specimen. This is due to the occurrence of the micro crack in the fibre strands. In the low silane concentration specimen, larger damage zone due to the micro crack was formed ahead of the crack tip.

Processing and characterization of B4C-Al laminated cermets

1990 ◽  
Vol 48 (4) ◽  
pp. 1022-1023
Author(s):  
Mehrdad Yasrebi ◽  
Gyeung H. Kim ◽  
David L. Milius ◽  
Mehmet Sarikaya ◽  
Ilhan A. Aksay
Keyword(s):  
Mechanical Properties ◽  
Fracture Toughness ◽  
Fracture Strength ◽  
Laminated Composites ◽  
Laminated Composite ◽  
Type A ◽  
Type B ◽  
Body Type ◽  
Metal Infiltration

B4C-Al composites show enhanced fracture strength and fracture toughness values over monolithic B4C.1-2 A controlled change in structural morphologies such as lamination further enhances mechanical properties of the composite over the B4C-Al composites processed to form a monolithic morphology. This paper summarizes microstructure-property correlations studied in B4C-Al laminated composites.The laminated composite is formed either by metal infiltration of B4C tapes sandwiched with Al sheets, type (a), (Fig. 1a) or by lamination of B4C tapes of different porosity and then subjected to metal infiltration of the laminated body, type (b), (Fig. 1b). In the first method, after thin tapes of B4C were formed, each tape was individually sintered between polished graphite discs, then layered with Al sheets, and the entire stack was heated to induce infiltration. In the second method, tapes of B4C with different green densities were stacked and laminated under pressure and temperature. The laminated body was then sintered and subsequently infiltrated with Al.

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