Fatigue and Fracture Behavior of Composite Materials

Palumbo, Davide; De Finis, Rosa

doi:10.3390/ma16237292

Cited by 2 publications

(1 citation statement)

References 8 publications

(22 reference statements)

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“…Previous research has made some progress in evaluating the thermodynamic properties of composite materials, but there are still deficiencies. For example, most studies focus on the material properties at room temperature and pay insufficient attention to the fatigue behavior and thermal stress analysis of composite materials under extreme temperature cycling conditions [18][19][20][21]. Additionally, existing methods have not fully considered the non-linear behavior and temperature dependency of materials when simulating thermal expansion and fatigue damage, limiting the predictive accuracy and application scope of the models [22][23][24][25].…”

Section: Introductionmentioning

confidence: 99%

Thermodynamic Properties of Composite Material Bridges Under Thermal Cycling

Chen,

Zhang,

Song

et al. 2024

IJHT

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The application of composite materials in bridge engineering is increasingly widespread, thanks to their excellent properties such as high strength, low density, and good corrosion resistance. However, in practical applications, composite material bridges often face complex thermal environments, especially thermal cycling, which imposes higher demands on the thermodynamic properties of the materials. Thermal cycling can cause not only heat transfer and expansion of composite materials but may also lead to material fatigue damage, thereby affecting the stability and safety of the bridge structure. Although existing research has some understanding of the thermal characteristics of composite materials, studies on fatigue damage mechanisms and thermal stress analysis under extreme temperature cycling conditions are still insufficient. This paper starts with the study of the thermodynamic properties of composite material bridges under thermal cycling. On the one hand, it analyzes the heat transfer and expansion deformation process of composite material bridges under thermal cycling. On the other hand, a fatigue damage constitutive model is established, and tests for model modification and constraint conditions are conducted. The research results show that the revised constitutive model can more accurately describe the fatigue damage behavior of composite materials under thermal cycling, which has important practical and theoretical value for guiding the design, construction, and maintenance of bridges.

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Section: Introductionmentioning

confidence: 99%

Thermodynamic Properties of Composite Material Bridges Under Thermal Cycling

Chen,

Zhang,

Song

et al. 2024

IJHT

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Study on the Properties and Fatigue Characteristics of Glass Fiber Composites Due to Porosity

Lee,

Cho,

Park

2024

Applied Sciences

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A study was conducted on the changes in mechanical properties and fatigue failure characteristics due to voids, one of the fabrication defects in composite materials. This study was primarily based on glass fiber fabrics applied to wind turbine blades and their material properties were predicted through micro and meso modeling of composite materials by simulating random defects including voids. As the wind turbine blades become larger, various defects develop. The fundamental changes in the materials’ properties due to voids were predicted through homogenization methods and Representative Volume Element (RVE), and the failure properties were obtained through progressive failure analysis by applying virtual coupons according to ASTM D3090 and ASTM D6641. The progressive failure was identified using the Matzenmiller–Lubliner–Taylor (MLT) failure condition, and the fatigue failure characteristics were assessed through the Tsai–Hill 3D load.

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Fatigue and Fracture Behavior of Composite Materials

Abstract: Presently, composites are one of the top-of-the-range materials used in different industrial sectors and represent the best alternative to metal alloys in those applications where higher mechanical properties and lower weights are required [...]

Cited by 2 publications

References 8 publications

Thermodynamic Properties of Composite Material Bridges Under Thermal Cycling

Thermodynamic Properties of Composite Material Bridges Under Thermal Cycling

Study on the Properties and Fatigue Characteristics of Glass Fiber Composites Due to Porosity

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