Hygrothermal aging effects on fatigue of glass fiber/polydicyclopentadiene composites

Hu, Yinghui; Lang, Augustus W.; Li, Xiaochen; Nutt, Steven

doi:10.1016/j.polymdegradstab.2014.10.018

Cited by 59 publications

(43 citation statements)

References 30 publications

(18 reference statements)

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“…Rotem et.al. developed a fatigue failure criterion for fiber ‐based composite and applied it to predict the fatigue life of graphite/epoxy laminates at different temperatures. The strain–stress curve for tensile tests and S–N curve for TTF test were generated for unidirectional (10°, 15°, 30°, 45°, 90°) angle ply (±15°, ±30°, ±45°, ±60°, ±75°) and symmetrically balanced laminates ([0°/±15°/0°] s , [0°/±30°/0°] s , [0°/±45°/0°] s , [0°/±60°/0°] s, [0°/±75°/0°] s, [0°/±90°/0°] s ) at 25°C, 74°C, and 114°C temperatures.…”

Section: Environmental Effectmentioning

confidence: 99%

“…Moisture affects the fibers, matrix and interfaces in different ways. In this context, Hu et al studied the effect of hygrothermal ageing on the fatigue of glass fiber/poly dicyclopentadiene composites. Deionized water and salt water at 60°C were used as submersion medium and glass/epoxy composite was used as the datum for comparison of results.…”

Section: Environmental Effectmentioning

confidence: 99%

“… S–N curve of aged and unaged samples when loaded in (a) warp and (b) weft direction . [Color figure can be viewed at http://wileyonlinelibrary.com]…”

Section: Environmental Effectmentioning

confidence: 99%

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Fatigue behavior of FRP composites and CNT‐Embedded FRP composites: A review

Gaurav

Singh

2016

Polymer Composites

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Composite materials have emerged as an effective substitute for conventional materials in various fields of engineering and structural science. For replacement of regular metals, composites, especially fiber‐reinforced polymer composites, have proved to be a suitable alternative. One of the important tests that conventional and composite materials have to undergo is fatigue test. It refers to the testing of materials for their cyclic behavior. In fatigue testing, depending on the choice of the researchers, materials are loaded till reaching their failure or till reaching a fraction of the total stiffness loss. Composite materials are different from metals and they show a distinct behavior under fatigue loading. In metals, failure occurs from the commencement of a single crack and then its propagation. In composite materials, conversely, it is a complex process as these materials possess crack‐arresting properties. This review paper highlights various aspects of the cyclic or fatigue behavior in composite materials. Factors triggering such behavior in composite materials include reinforcing substance, matrix material, fiber orientation or stacking sequence, fiber content, testing environment and so on, together with the damage development process at the microscopic level. Loading condition parameters pertain to stress ratio, mean stress, loading condition, multiaxial stress, and testing frequency. This article also includes the effect of carbon nanotubes on the fatigue life of the polymer composites. POLYM. COMPOS., 39:1785–1808, 2018. © 2016 Society of Plastics Engineers

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Section: Environmental Effectmentioning

confidence: 99%

Section: Environmental Effectmentioning

confidence: 99%

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Fatigue behavior of FRP composites and CNT‐Embedded FRP composites: A review

Gaurav

Singh

2016

Polymer Composites

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“…As low weight has become one of the most urgent targets for both vehicles and airplanes in meeting customer demands and government regulations for energy efficiency, the situation can be improved with the implementation of CFRP composites because of their many advantages in terms of high strength-to-density ratio and good fatigue resistance. The complexity derives from different failure mechanisms, which are influenced by several factors according to previous studies: (1) mechanical properties of the material components, such as fibre, matrix, and fibre-matrix interface 11 ; (2) fibre orientation and fibre volume fraction 12,13 ; and (3) manufacturing defects and material aging due to the extreme working conditions (eg, fibre defects, 14 voids, [1][2][3][4][5][6][7][8][9][10] and mechanical degradation due to hygrothermal aging 15 or ultraviolet radiation 16 ). i, sample after n, cycles; [σ t ], = tensile strength; [σ c ], = compressive strength; a, = normalized stress amplitude; q, = normalized mean stress; c, = ratio between compressive strength and tensile strength; A, f, = constants associated with material; γ(v v ), = intercept of S − N, curve with vertical axis (for composite with void content of v v , ); k(v v ), = slope of S − N, curve (for composite with void content of v v , ); σ max , σ min , = maximum and minimum stress of cyclic load; D, = fatigue damage index; E 0 , = initial modulus; E(N), = residual modulus of the N th , cycle; E(N f ), = modulus at final fracture; δ(u, v v ), φ i (u, v v ), = functions related to the characteristics of damage accumulation (i∈, 1,2) done to investigate the mechanical properties of polymer composites; however, some of the work revealed that the voids have an impact on the mechanical properties, especially fatigue performance.…”

Section: Introductionmentioning

confidence: 99%

Fatigue characterization of T300/924 polymer composites with voids under tension‐tension and compression‐compression cyclic loading

Liu

Cui

Wen

et al. 2017

Fatigue Fract Eng Mat Struct

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Fibrous polymer composites exhibit excellent properties such as high specific stiffness/strength and good fatigue performance. However, as inherent defects of polymer composites, voids have been reported to have an impact on their load‐bearing properties including fatigue resistance. In the interest of safety, the effect of voids on fatigue behaviours of composites should be understood and quantified. In this article, the effect of voids on the fatigue of T300/924 composites was evaluated in terms of their fatigue life, stiffness degradation, and cracks propagation under tension‐tension and compression‐compression loadings. The failure probability was assessed by Weibull distribution. Furthermore, crack measurement and fractographic analysis reveal that the effect of voids on the failure mechanisms of the material under various loading configurations could be different. Lastly, an analytical residual stiffness model was proposed, and a good correlation was obtained between the experimental data and the prediction results.

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“…Literature data demonstrates that PDCPD/fiberglass composites exhibit exceptional resistance to hot wet environments, superior to epoxy/fiberglass composites tested in the same conditions [19]. These characteristics make PDCPD composites better-suited to applications in harsh environments, such as wind energy structures, offshore oil platforms, and both land and marine.…”

mentioning

confidence: 99%

Assessment of the mechanical behaviour of glass fibre composites with a tough polydicyclopentadiene (PDCPD) matrix

Vallons

Drozdzak²,

Charret³

et al. 2015

Composites Part A: Applied Science and Manufacturing

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The use of a tough thermoset polydicyclopentadiene (PDCPD) as a matrix material for composites was explored. A PDCPD-glass fibre composite and an equivalent epoxy composite were compared.Fibre-matrix adhesion quality was assessed by transverse bending tests. The materials were subjected to compression tests, impact tests, static tensile tests and tensile fatigue tests. The results indicate that the tough behaviour of the PDCPD matrix markedly influences the composite damage resistance. The size of the impact damage in the PDCPD composite was half of that in the epoxy composite. The tensile tests indicated no significant difference in tensile strength, but the damage before failure was found to be much more severe in the epoxy samples. The fatigue results showed a much lower variation in fatigue life for the PDCPD material than for the epoxy material, as well as clear differences in damage development for the two materials.

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Hygrothermal aging effects on fatigue of glass fiber/polydicyclopentadiene composites

Cited by 59 publications

References 30 publications

Fatigue behavior of FRP composites and CNT‐Embedded FRP composites: A review

Fatigue behavior of FRP composites and CNT‐Embedded FRP composites: A review

Fatigue characterization of T300/924 polymer composites with voids under tension‐tension and compression‐compression cyclic loading

Assessment of the mechanical behaviour of glass fibre composites with a tough polydicyclopentadiene (PDCPD) matrix

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