2007
DOI: 10.1016/j.compscitech.2006.12.002
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Analysis of the dynamic flexural behaviour of composite beams at low temperature

Abstract: In this study, the dynamic flexural behaviour at low temperatures of beams of three carbon/epoxy laminates is evaluated, analysing the influence of temperature on the mechanical strength, stiffness and absorbed energy until failure. Three point bending tests were per formed under dynamic conditions at three different temperatures (20°C, 60°C and 150°C), and the results were compared with those found under static conditions at the same temperatures. Both the mechanical strength and the absorbed energy decreased… Show more

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Cited by 27 publications
(28 citation statements)
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“…The material properties of the Hexply 8552/AGP193PW-37 [11] provided in the literature [12] were used for numerical analysis and are given in Table 1. (Figure 4) was designed and numerically verified from the viewpoint of a real boundary condition simulation (stiffness of fuselage) (see chapter 3).…”
Section: Test Specimen and Boundary Conditionsmentioning
confidence: 99%
“…The material properties of the Hexply 8552/AGP193PW-37 [11] provided in the literature [12] were used for numerical analysis and are given in Table 1. (Figure 4) was designed and numerically verified from the viewpoint of a real boundary condition simulation (stiffness of fuselage) (see chapter 3).…”
Section: Test Specimen and Boundary Conditionsmentioning
confidence: 99%
“…Lamina properties (Table 4) were taken from the literature [10,19]. As was shown in [9] bending strength is higher than tensile strength for composite materials.…”
Section: Composite Materials Modelmentioning
confidence: 99%
“…The experimental data used to validate the numerical model were taken from the literature [9], from a previous work [10] and from experimental tests developed in the present work. A total of six sets of impact tests were used in the model validation (table 2): First low-velocity impact tests were performed using a drop-weight tower, over unidirectional laminate beams to verify the accuracy of the numerical model under variations in the impact energy and the span ratio (UN1, UN2, and UN3) and over cross-ply laminate beams used to verify the precision of the numerical simulations over cross-ply laminate beams (CP1) [10]. Second, Hopkinsonbar tests were made over cross-ply laminate beams used to predict the beam failure in a different test device (CP2 and CP3) [9].…”
Section: Experimental Test For Model Validationmentioning
confidence: 99%
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