Strength analysis of random short-fibre-reinforced metal matrix composite materials

Zhu, Yuntian; Zong, Guisheng; Manthiram, Arumugam; Eliezer, Z.

doi:10.1007/bf00354572

Cited by 46 publications

(10 citation statements)

References 8 publications

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“…In order to analyze the strength of composite materials containing randomly oriented short SiC fibers, Zhu et al (1994) assumed that the fibers were uniformly distributed and randomly oriented in three dimensions, and applied and developed a modified ROM theory. Compared with previous ROM models, Zhu's modified ROM gave better agreement with experimental results, and it could be used to explain some experimental phenomena.…”

Section: Introductionmentioning

confidence: 99%

Application of Mechanical Models to Flax Fiber /Wood Fiber/ Plastic Composites

Cao¹,

Wang²,

Wang³

et al. 2013

BioResources

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Bio-fibers have been used for some time to reinforce thermoplastic composites; such structures are being used in a variety of commercial applications. In this study, wood fiber and flax fiber were used to reinforce high-density polyethylene (HDPE) formed by extrusion. The flexural, tensile, and impact resistance properties of the resulting flax fiber/wood fiber/HDPE (F/W/HDPE) composites were measured and modeled as a function of the volume fraction of flax fiber. Finally, the correctness of the modified model was verified. Based on the measurement data, the volume fraction of flax fiber was shown to play an important role in determining the mechanical properties of these composites. With increasing flax fiber volume fraction, the flexural strength, tensile strength, tensile modulus of elasticity, and impact resistance of the composites generally increased. However, the flexural modulus decreased. Based on the rule of mixtures (ROM) model, two coefficients were introduced and a new curve-fitting model was established based on measurements of macrostructure. Compared with the traditional ROM model, the new model developed in the present study could describe the flexural strength, tensile modulus, and impact strength of F/W/HDPE composites more accurately.

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Section: Introductionmentioning

confidence: 99%

Application of Mechanical Models to Flax Fiber /Wood Fiber/ Plastic Composites

Cao¹,

Wang²,

Wang³

et al. 2013

BioResources

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“…5 Based on the basic ROM, researchers could build modified ROM to analyse the mechanical properties of their composites more accurately. Zhu et al 7 assumed that the short fibres are uniformly distributed and randomly oriented. They applied and reformed the ROM theory.…”

Section: Rule Of Mixtures Modelmentioning

confidence: 99%

“…Their finding suggests that modified ROM gives better agreement with the experimental results and can be used to explain some experimental phenomena much better than previous models. 7 The Hirsch model is a combination of parallel and series ROM. According to this theory, elastic modulus and mechanical strength are represented by the following equation (2) …”

Section: Rule Of Mixtures Modelmentioning

confidence: 99%

Application of mechanical model for natural fibre reinforced polymer composites

Cao

Wang

2014

Materials Research Innovations

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Mechanical models were often used to describe and predict synthetic fibre reinforced thermosetting polymers. However, natural fibre reinforced thermoplastic polymers were less mentioned. In this paper, the application of mathematical methods in natural fibre-polymer composite was reviewed. Typical mechanical models, such as the rule of mixtures, inverse rule of mixtures and Hirsch models, were presented. The advantages and disadvantages of each model were pointed out. Finally, a flax-wood-polypropylene composite was taken as an example. Some models were compared to describe this composite.

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“…Following the procedures proposed by Zhu et al (1994), the overall stress contribution of theˆbres phase within the composite in the directions of the axial and radial stresses ( mf ·saf and mf ·srf) has been obtained by integration of the stresses of the singleˆbres over a representative composite volume (V ):…”

Section: Appendix: Stress-stran Relationship For the Fibres Phasementioning

confidence: 99%

Modelling the Undrained Response of Fibre Reinforced Sands

Diambra

Ibraim

Russell³

et al. 2011

Soils and Foundations

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Mixing a loose clean sand with random discrete ‰exibleˆbres has been found beneˆcial in decreasing the susceptibility to the phenomenon of liquefaction under monotonic loading. The addition ofˆbres can convert the strain softening response, typical of a loose unreinforced sand, into a strain hardening response by aŠecting the pore pressure generation and the eŠective stress path response. A new constitutive model based on the rule of mixtures has been used to simulate the undrained response ofˆbre reinforced sands. The model superimposes the individual contributions of the sand and theˆbres according to their volumetric fraction. An apparent densiˆcation of the sand matrix induced by the presence of theˆbres is accounted for in the model by assigning some of the void space to theˆbres. This apparent densiˆcation is considered responsible for the observed strain hardening behaviour of reinforced sands. The proposed model is able to accommodate any distribution ofˆbre orientation: the orientation ofˆbres plays a key role in explaining the experimentally observed eŠective stress paths.

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Strength analysis of random short-fibre-reinforced metal matrix composite materials

Cited by 46 publications

References 8 publications

Application of Mechanical Models to Flax Fiber /Wood Fiber/ Plastic Composites

Application of Mechanical Models to Flax Fiber /Wood Fiber/ Plastic Composites

Application of mechanical model for natural fibre reinforced polymer composites

Modelling the Undrained Response of Fibre Reinforced Sands

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