A modified test for measuring the interlaminar tensile strength of fiber-reinforced ceramic composites

Weaver, Jared H.; Yang, James Y.; Evans, A.G.; Zok, Frank W.

doi:10.1016/j.compscitech.2007.06.002

Cited by 24 publications

(8 citation statements)

References 8 publications

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“…Most of the current available testing techniques are designed for ambient (room temperature) testing, so new or revised methods are necessary for testing at cryogenic temperatures. Also, although there are some studies on the through-thickness tensile behavior of composite materials (e.g., polymer matrix composites [10], ceramic matrix composites [11]), the knowledge of the cryogenic composite behavior under such loading condition is limited. There are two ASTM standard test methods for measuring through-thickness tensile properties, i.e., ASTM D 6415 [12] and D 7291 [13].…”

Section: Introductionmentioning

confidence: 99%

Cryogenic through-thickness tensile characterization of plain woven glass/epoxy composite laminates using cross specimens: Experimental test and finite element analysis

Takeda¹,

Narita²,

Shindo³

et al. 2015

Composites Part B: Engineering

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Section: Introductionmentioning

confidence: 99%

Cryogenic through-thickness tensile characterization of plain woven glass/epoxy composite laminates using cross specimens: Experimental test and finite element analysis

Takeda¹,

Narita²,

Shindo³

et al. 2015

Composites Part B: Engineering

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“…For instance, in engine applications, CMCs are subject to large thermal gradients which induce significant interlaminar tension and shear stresses . The weaker out‐of‐plane properties could be attributed to the lack of fiber tows in that direction, since the tows are aligned in one of the orthogonal axial directions in laminated and 2D woven CMCs …”

Section: Introductionmentioning

confidence: 99%

Mode I interlaminar fracture behavior of 2D woven ceramic matrix composites

Mansour

Morscher

2018

Int J Applied Ceramic Tech

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Interlaminar fracture properties of melt-infiltrated woven SiC/SiC ceramic matrix composites were investigated using traditional and wedge-loaded double cantilever beam methods. The two methods produced comparable G IC results for some specimens. The difference in boundary conditions between the two methods appeared to influence the crack propagation path. The DCB method, having free-end boundary condition, allowed more interaction between the crack and the composite microstructure than the wedge method did. The effect of fiber tow layout sequence had an effect on the interlaminar properties. Higher toughness was observed for the orientation where crack propagation occurs between planes with more transverse tows. Jump-arrest phenomenon was found to have higher significance on the rising R-curve behavior than fiber bridging. K E Y W O R D Sceramic matrix composites, crack growth resistance, fracture mechanics/toughness, R-curve

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“…Moreover, for such thick composite specimens, the geometry of the specimen, the fixing system, and damage generated by machining can result in stress concentrations and subsequent large uncertainties (or scatter) in the experimental results. Ideally, to obtain experimental results representative of industrial applications, there is a need on one hand to use composite plates with quite low thicknesses [15], which are easy to manufacture, and on the other hand to apply a large range of tensile-shear loadings. In order to address those conditions, a modified Arcan type device, using adhesive as the fixing system is proposed here, to analyze the mechanical behavior of both bonded assemblies including composites and the behavior of the composites themselves under out-of-plane loadings.…”

Section: Introductionmentioning

confidence: 99%

A modified Arcan test to analyze the behavior of composites and their assemblies under out-of-plane loadings

Cognard

Sohier

Davies

2011

Composites Part A: Applied Science and Manufacturing

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Composite materials are a key element in weight reduction strategies, so the analysis of the mechanical behavior of assemblies of composite modules is of great importance. Failure initiation in bonded assemblies involving composites is often associated with crack initiation in the adhesive or delamination of the composite plies close to the adhesive joint, caused by interlaminar or throughthickness stresses. Thus, the analysis of the behavior of composites and their assemblies under outof-plane loadings is necessary in order to optimize such structures. However, few experimental devices are proposed in the literature and they often require thick composite specimens which are not representative of most industrial applications. This paper describes the use of a modified Arcan test to determine the behavior of composites and hybrid bonded assemblies over a wide range of tensileshear out-of-plane loadings. The key advantages of this fixture are the testing of thin composite plates and the use of an adhesive to fix samples. Moreover, an optimization of the design of the proposed device, based on finite element simulations, significantly limits the influence of edge effects in order to obtain accurate experimental results. Some test results are presented which underline the potential of the proposed approach.

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A modified test for measuring the interlaminar tensile strength of fiber-reinforced ceramic composites

Cited by 24 publications

References 8 publications

Cryogenic through-thickness tensile characterization of plain woven glass/epoxy composite laminates using cross specimens: Experimental test and finite element analysis

Cryogenic through-thickness tensile characterization of plain woven glass/epoxy composite laminates using cross specimens: Experimental test and finite element analysis

Mode I interlaminar fracture behavior of 2D woven ceramic matrix composites

A modified Arcan test to analyze the behavior of composites and their assemblies under out-of-plane loadings

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