A reliability based stress–life evaluation of aluminium–graphite particulate composites

Achutha, M.V.; Sridhara, B.K.; Budan, D. Abdul

doi:10.1016/j.matdes.2007.01.013

Cited by 13 publications

(7 citation statements)

References 8 publications

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“…Some of the advantages offered on those new Al-base components include: better wear resistance, strength to rupture [1][2][3][4] , modulus 5,6 , thermal stability 7 , among others. The aim of a composite material is to get a spectrum of properties that cannot be obtained by any of the constituent alone.…”

Section: Introductionmentioning

confidence: 99%

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Mechanical and Microstructural Response of an Aluminum Nanocomposite Reinforced with Carbon-Based Particles

et al. 2016

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The present work deals with the study of some aluminum (Al) composites reinforced with metallized-graphite (MG) particles prepared by mechanical milling and powder metallurgy routes. Density, morphology evolution and mechanical performance of composites were investigated as a function of MG concentration and milling time. The as-milled powders were characterized by X-ray diffraction and optical/electron microscopy; meanwhile, the mechanical testing was carried out on cylindrical specimens prepared from powders by powder metallurgy. Evidence reveals that high-energy ball milling induce a homogeneous dispersion of graphite nanoparticles in the Al matrix; this is related to an enhancement of hardness and strength response of studied composites. The composite sample with 0.5% MG addition (in weight) reached an increase of 40% on hardness and 50% on strength (compared with pure Al sample); nevertheless an adverse effect was observed with longer milling and/or higher MG concentration.

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Section: Introductionmentioning

confidence: 99%

“…Metal matrix composites (MMC´s) are fabricated by different methods such as: powder metallurgy 10 , spray atomization, co-deposition, plasma spraying, stir casting [1][2][3][4] and squeeze casting 5 , where the processing method has a strong influence on the final properties of the composites (e.g. mechanical, tribological, etc.)…”

Section: Introductionmentioning

confidence: 99%

Mechanical and Microstructural Response of an Aluminum Nanocomposite Reinforced with Carbon-Based Particles

et al. 2016

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“…The granite particles were subjected to saline-aqueous rinsing and consequent drying in hot air oven at 80 8C to remove moisture content and volatile matter. Previous research on aluminium matrix composites have enumerated usage of graphite particles with grain size 80-150 mm [5,[13][14][15]. It has been observed that wettability gets promoted by surface active elements like Mg when particulate size is coarser (> 50 mm) [6].…”

Section: Methodsmentioning

confidence: 99%

Potentiality of artificially aged aluminium 6061 hybrid composites reinforced with granite and graphite micro–fillers for structural applications

Sharma

Pai

Gowrishankar

2017

Materialwissenschaft Werkst

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The current study explores the feasibility of artificial aging treatment to aluminium alloy 6061 hybrid composites reinforced with graphite and fine granite particulates to suit structural applications. Aging at 100 °C retrieved a better response of the hybrid composites as compared to that at 150 °C in terms of peak hardness and strength. Among the five different stir‐cast compositions, the composition of aluminium 6061 with 2 wt. % graphite and 4 wt. % granite showed enhanced mechanical properties than that of the base alloy as well as mono reinforcement type composites which was attribued to the formation of rod‐shaped β‐Mg2Si precipitates.

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“…The mechanical vibrations due to bums and road irregularities in the automobile vehicles are damped using suspension system. Hence, spring plays a key role to provide the ride comfort for the passengers [3][4][5][6]. The primary suspension system commonly used in heavy vehicles duty vehicles, which needs higher load bearing capabilities, and easier maintenance is leaf spring [7,8].…”

Section: Introductionmentioning

confidence: 99%

Static Analysis and Fatigue Life Prediction of Composite Leaf Springs of Automotive Suspension System

Naik¹,

Gosangi²,

Borkhade³

et al. 2019

IJRTE

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Development of vehicles with the highest safety standards and lowest carbon emissions has been one of the primary goals of the automobile manufacturers. One of the methods of achieving higher fuel efficiency is by reducing vehicle weight by minimizing the unsprung weight without compromising strength and driver comfort. The study presents the behavior of the double-bolted-end joint semi-elliptical leaf spring that is generally used in the rear suspension of lightweight cars and commercial vehicles. 65si7 grade steel is conventionally used in the above leaf springs. The study evaluates the stress distribution, deflection and fatigue life assessment of leaf springs made up of glass epoxy (62% glass fiber), carbon epoxy (40% carbon fiber), and aluminum graphite (5% graphite). The results are compared with 65si7 steel leaf spring and analysed. The analysis performed showed a weight reduction of 76.4 %, 81.1%, 65.8% respectively. The first natural frequency was approximately 1.2 times greater than the road frequency. The simulated results for fatigue life cycles of leaf spring (10e5 cycles) was observed, whereas, for the conventional steel leaf spring (2e5 cycles) was observed. The results suggest the material aluminum graphite (5% graphite) will be the best replacement, considering the overall weight to strength ratio and cost

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A reliability based stress–life evaluation of aluminium–graphite particulate composites

Cited by 13 publications

References 8 publications

Mechanical and Microstructural Response of an Aluminum Nanocomposite Reinforced with Carbon-Based Particles

Mechanical and Microstructural Response of an Aluminum Nanocomposite Reinforced with Carbon-Based Particles

Potentiality of artificially aged aluminium 6061 hybrid composites reinforced with granite and graphite micro–fillers for structural applications

Static Analysis and Fatigue Life Prediction of Composite Leaf Springs of Automotive Suspension System

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