Tension–compression and Iosipescu tests on laminates

Han, Luo; Piggott, M. R.

doi:10.1016/s1359-835x(01)00078-1

Cited by 7 publications

(1 citation statement)

References 13 publications

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“…In this work the in-plane shear strength was calculated based on the maximum load [3] from the following Eq. (2). Fig.12 shows the effect of off-axis angle on tensile and shear strength.…”

Section: Iosipescu Shear Resultsmentioning

confidence: 99%

Tensile and Shear Properties Op Cross-Ply Composite Laminates With Different Off-Axis Angles

Selmy

Khashaba

El-Sonbaty

et al. 2008

ERJ. Engineering Research Journal

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A double-notch and modified Iosipescu shear test fixtures have been designed and manufactured to investigate in-plane shear properties of cross-ply composite laminate with different off-axis angles. A cross-ply [0°/900]2, glasslpolyester composite laminate was manufactured using hand lay-up technique. This laminate was cut at different off-axis angles (€lo= O0, 15", 30' and 45") to give different stacking sequences ([0°1900]2,, [15°1-75012,, [30°/-6O012, and [45"1-45"1~, respectively). The tensile properties (strength, modulus, and Poisson's ratio) were determined experimentally and theoretically fiom the elastic properties of the constituent materials. Shear properties (strength and modulus) were determined experimentally by the two tests. Shear modulus were predicted theoretically fiom the elastic properties of the constituent materials. -1

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“…In this work the in-plane shear strength was calculated based on the maximum load [3] from the following Eq. (2). Fig.12 shows the effect of off-axis angle on tensile and shear strength.…”

Section: Iosipescu Shear Resultsmentioning

confidence: 99%

Tensile and Shear Properties Op Cross-Ply Composite Laminates With Different Off-Axis Angles

Selmy

Khashaba

El-Sonbaty

et al. 2008

ERJ. Engineering Research Journal

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Shear Properties of Polymers and Composites

Piggott

2012

Wiley Encyclopedia of Composites

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The yield stress of polymers is pressure dependent, unlike that of metals. So this stress in polymers has to be defined by an inverse rule of mixtures expression. In addition, an overwhelming number of polymers fail by tensile crack propagation when sheared. This is true for most of the polymers used for fiber reinforcement. So the failure of laminates under shear loading is complex, involving some polymer tensile fracture together with some fiber flexure and tensile fracture as well. V notch and two‐rail shear data are given for a range of unidirectional and multidirectional laminates. Shear delamination results are also discussed.

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Investigation of the fatigue behaviour of carbon fibre reinforced plastics due to micro-damage and effects of the micro-damage on the ply strengths in the very high cycle fatigue regime

Hopmann

Marder

2018

Fatigue of Materials at Very High Numbers of Loading Cycles

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Tension–compression and Iosipescu tests on laminates

Cited by 7 publications

References 13 publications

Tensile and Shear Properties Op Cross-Ply Composite Laminates With Different Off-Axis Angles

Tensile and Shear Properties Op Cross-Ply Composite Laminates With Different Off-Axis Angles

Shear Properties of Polymers and Composites

Investigation of the fatigue behaviour of carbon fibre reinforced plastics due to micro-damage and effects of the micro-damage on the ply strengths in the very high cycle fatigue regime

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