Durability-Based Design Criteria for a Quasi-Isotropic Carbon-Fiber Automotive Composite

Corum, J.M.

doi:10.2172/814041

Cited by 6 publications

(3 citation statements)

References 14 publications

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“…The viscoelastic properties of these materials are displayed in Table 6. The experimental data was obtained from the project conduct by the Oak Ridge National laboratory [50], [51], [52], [53], [54], [55] to develop experimentally based, durability-driven design guidelines to assure the long-term integrity of representative thermoset composite systems to be used to produce large structural automotive components. These examples include different types of reinforcements; E glass fibre randomly orientated chopped strands and continuous strand, swirl-mat fibre and continuous T300 carbon fibre.…”

Section: Thermosetting Polymer-based Compositesmentioning

confidence: 99%

Time-dependent failure criteria for lifetime prediction of polymer matrix composite structures

Guedes

2011

Creep and Fatigue in Polymer Matrix Composites

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The use of fibre -reinforced polymers in civil construction applications originated structures with a high specific stiffness and strength. Although these structures usually present a high mechanical performance, their strength and stiffness may decay significantly over time. This is mainly due to the viscoelastic nature of the matrix, damage accumulation and propagation within the matrix and fibre breaking. One serious consequence, as a result of static fatigue (creep failure), is a premature failure which is usually catastrophic. However in civil engineering applications, the structural components are supposed to remain in service for 50 years or more in safety conditions.One argument used to replace steel by polymer-matrix composites is its superior corrosion resistance. Yet stress corrosion of glass fibre s takes place as soon as moisture reaches the fibre by absorption. This phenomenon accelerates fibre breaking. In most 2 civil engineering applications, glass-fibre reinforced polymers (GRP) are the most common especially because raw material is less expensive.The lack of full understanding of the fundamental parameters controlling long-term materials performance necessarily leads to over-design and, furthermore, inhibits greater utilization. In this context, lifetime prediction of these structures is an important issue to be solved before wider dissemination of civil engineering applications can take place. As an example, standards dealing with certification of GRP pipes require at least 10000 hours of testing for a high number of specimens. Even though these strong requirements may be foreseen as reasonable, concerning the safety of civil engineering applications, they severely restrict the improvement and innovation of new products.The present chapter reviews some theoretical approaches for long-term criteria. Timedependent failure criteria will be presented and developed for practical applications and illustrated with experimental cases.

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Section: Thermosetting Polymer-based Compositesmentioning

confidence: 99%

Time-dependent failure criteria for lifetime prediction of polymer matrix composite structures

Guedes

2011

Creep and Fatigue in Polymer Matrix Composites

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“…A thermal cycle between -40 and 120°C (shown in Ref. 6) was chosen to reflect the automotive design temperature range. Results are summarized in Table 53.…”

Section: Effects Of Temperaturementioning

confidence: 99%

“…A detailed discussion of moisture sorption and correlations between exposure time, weight change, and property changes is given in Ref. 6.…”

Section: Effects Of Environmentmentioning

confidence: 99%

Effects of Temperature and Environment on Mechanical Properties of Two Continuous Carbon-Fiber Automotive Structural Composites

Ruggles‐Wrenn¹

2003

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Lifetime predictions of polymer matrix composites under constant or monotonic load

Guedes

2006

Composites Part A: Applied Science and Manufacturing

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Durability-Based Design Criteria for a Quasi-Isotropic Carbon-Fiber Automotive Composite

Cited by 6 publications

References 14 publications

Time-dependent failure criteria for lifetime prediction of polymer matrix composite structures

Time-dependent failure criteria for lifetime prediction of polymer matrix composite structures

Effects of Temperature and Environment on Mechanical Properties of Two Continuous Carbon-Fiber Automotive Structural Composites

Lifetime predictions of polymer matrix composites under constant or monotonic load

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