Strain Rate Effects on the Energy Absorption of Rapidly Manufactured Composite Tubes

Brighton, Aaron; Forrest, Mark; Starbuck, J. Michael; Erdman, Donald L.; Fox, Bronwyn

doi:10.1177/0021998309344646

Cited by 14 publications

(27 citation statements)

References 10 publications

(9 reference statements)

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“…Brighton et al [25] noted that the lack of manufacturing control has a significant effect on the specimen response which leads to possible strain rate effect being hidden within the noise.…”

Section: = (2)mentioning

confidence: 99%

Crush responses of composite cylinder under quasi-static and dynamic loading

Chiu

Falzon

Ruan

et al. 2015

Composite Structures

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General rights Copyright for the publications made accessible via the Queen's University Belfast Research Portal is retained by the author(s) and / or other copyright owners and it is a condition of accessing these publications that users recognise and abide by the legal requirements associated with these rights. AbstractDespite the abundance of studies investigating the performance of composite structures under crush loading, disagreement remains in the literature regarding the effect of increased strain rate on the crush response. This study reports an experimental investigation of the behaviour of a carbon-epoxy composite energy absorber under static and dynamic loading with a strain rate of up to 100 −1 . Good consistency, among samples tested under the same strain rate, was achieved in the identified damage modes and the measured force responses. The energy absorption was found to be independent of strain rate as the total energy absorption appeared to be dominated by fibredominated fracture, which is independent of strain rate within the studied range. The results from this study can inform the design of energy absorbing structures.

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Section: = (2)mentioning

confidence: 99%

Crush responses of composite cylinder under quasi-static and dynamic loading

Chiu

Falzon

Ruan

et al. 2015

Composite Structures

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“…Brighton et al 21 on the relation between cracks density and the radius of curvature of the splayed parts. Figure 28 displays an Ashby chart of the energy absorption over density with the position of the five CFRP tubes, compared with other materials.…”

Section: Tomographic Imagingmentioning

confidence: 99%

Energy absorption capacity of composite thin-wall circular tubes under axial crushing with different trigger initiations

Chambe

Dorival

Ferrero

2019

Journal of Composite Materials

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The purpose of this study is to evaluate and compare the ability of various composite structures to dissipate the energy generated during a crash. To this end, circular composite tubes were tested in compression in order to identify their behavior and determine their absorbing capabilities using the specific energy absorption (energy absorbed per unit weight). Several composite tubular structures with different materials and architectures were tested, including hybrid composition of carbon–aramid and hybrid configuration of 0/90 UD with woven or braided fabric. Several inventive and experimental trigger systems have been tested to try and enhance the absorption capabilities of the tested structures. Specific energy absorption values up to 140 kJ.kg−1 were obtained, achieving better than most instances from the literature, reaching around 80 kJ.kg−1. Specimens with 0°-oriented fibers coincidental with the direction of compression reached the highest specific energy absorption values while those with no fiber oriented in this direction performed poorly. Moreover, it has consequently been established that in quasi-static loading, a unidirectional laminate oriented at 0° and stabilized by woven plies strongly meets the expectations in terms of energy dissipation. Incidentally, an inner constrained containment is more effective in most cases, reducing the initial peak load without drastically reducing the specific energy absorption value.

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“…More recently, the advantage of composites over traditional materials as steel and aluminium in crush structures as tubes is well shown [38]. Quasi-static and intermediate rate axial crush tests were conducted on tubular specimens of carbon/epoxy (Toray T700/G83C) and glass/polypropylene (Twintex).…”

Section: Crashworthinessmentioning

confidence: 99%

Overview of Composite Materials and their Automotive Applications

Hallal¹,

Elmarakbi

Shaito³

et al. 2013

Advanced Composite Materials for Automotive Applications

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This chapter presents an overview of recent automotive applications of advanced composites. A summary of available composites that could be used in automotive industries is presented. This work mainly deals with new research and studies done in order to investigate the present and potential use of composites for automotive structural components (e.g. tubes, plates, driveshafts, springs, brake discs, etc.). The important conclusions of these experimental and numerical simulation studies are shown in detail. It is important to note that most studies have an interest in enhancing the mechanical properties of automotive parts as well as providing better ecological and economical solutions. The influence of reinforcement types and architecture on the mechanical behaviour of automotive parts is investigated. It is remarked that unidirectional composites and composite laminates are the most used composites, with a domination of glass fibres. However, carbon reinforced polymers and carbon ceramic composites along with nanocomposites could be considered as the most advanced composites currently in use for the automotive industry. Moreover, the emergence of natural fibre reinforced polymers, green composites, as a replacement of glass fibre reinforced polymers is discussed. Recently, the use of composite materials has increased rapidly in automotive domains. As reported, according to [1], it is remarked that the total global consumption of lightweight materials used in transportation equipment will increase at a compound annual growth rate (CAGR) of 9.9% in tonnage terms and 5.7% in value terms between 2006 and 2011 (from Advanced Composite Materials for Automotive Applications: Structural Integrity and Crashworthiness, First Edition. Edited by Ahmed Elmarakbi.

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Strain Rate Effects on the Energy Absorption of Rapidly Manufactured Composite Tubes

Cited by 14 publications

References 10 publications

Crush responses of composite cylinder under quasi-static and dynamic loading

Crush responses of composite cylinder under quasi-static and dynamic loading

Energy absorption capacity of composite thin-wall circular tubes under axial crushing with different trigger initiations

Overview of Composite Materials and their Automotive Applications

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