Homogenization of Electromagnetic Force Field During Casting of Functionally Graded Composites

Golak, S.; Przyłucki, R.

doi:10.1109/tmag.2011.2161589

Cited by 14 publications

(16 citation statements)

References 15 publications

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“…In order to allow a one-way coupling (weak coupling) of the electromagnetic model with the hydrodynamic model [3], two elements were not taken into account, i.e., the effect of temperature on the conductivity of the matrix (because of the small range of its changes during the action of the electromagnetic field) and the density of the current caused by metal flow (because the magnetic Reynolds number for the problem is smaller then 10 −2 ). The electromagnetic induction B and the eddy current density J were determined from Eq.…”

Section: Electromagnetic Field Analysismentioning

confidence: 99%

“…The fluid flow in the closed system is the result of a non-uniform distribution of the acting forces f e [3],…”

Section: Flow Field Analysismentioning

confidence: 99%

“…The most frequently used method in this group is centrifugal casting which utilizes the difference between the densities of the particles and the matrix [1,2]. The authors of this paper are working on a project in which electromagnetic buoyancy is used to separate the reinforcement particles [3]. This phenomenon exploits the influence of electromagnetic forces on the conductive metal matrix, which results in the migration of the non-conductive reinforcement particles in the direction opposite to these forces [4,[6][7][8].…”

Section: Introductionmentioning

confidence: 99%

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Thermal Model of the Casting Process of Functionally Graded Composites

Przyłucki

Golak

2013

Int J Thermophys

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In this article, a sophisticated thermal model of the casting process of functionally graded composites is presented. Electromagnetic buoyancy is used to separate the reinforcement particles. The model takes into account the nonuniform distribution of heat sources characteristic for the process, and also the basic mechanisms of heat transport: conduction and convection. The model allowed the authors to estimate the influence of heat phenomena on the trajectories of the reinforcement particles migrating in the matrix during the process. The methodology is illustrated by an example.

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Section: Electromagnetic Field Analysismentioning

confidence: 99%

“…The fluid flow in the closed system is the result of a non-uniform distribution of the acting forces f e [3],…”

Section: Flow Field Analysismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Thermal Model of the Casting Process of Functionally Graded Composites

Przyłucki

Golak

2013

Int J Thermophys

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“…For several years the studies conducted in area of metal composites are focused on design and production of new products with inhomogeneity structure and heterogeneous properties, such as functionally graded materials [1,2] and locally reinforced materials [3][4][5][6][7]. It allows on better adaptation of the products properties to their specific working conditions.…”

Section: Introductionmentioning

confidence: 99%

Centrifugal Infiltration of Porous Ceramic Preforms by the Liquid Al Alloy – Theoretical Background and Experimental Verification

Dolata-Grosz

2016

Archives of Metallurgy and Materials

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The goal of this work is the description of phenomena oc curring during centrifugal infiltration of porous ceramic materials by liquid Al alloy. In this method, the pressure required to infiltration of liquid metal into pores of ceramic is generated by centrifugal force. From the beginning it was assumed that the porous ceramic material will create reinforcement layer in specific area of the casting. The forces that influence on the liquid metal during mould centrifugation and heat exchange between ceramic preform and metal alloy within the area of the front of infiltration were considered in the analysis. The paper presents also selected experiment results.

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“…The studies so far have discussed the manufacture of a composite sleeve reinforced at both the inner [22,23] and the outer walls [24,25]. This paper presents the process of making the casts of a completely different shape, that is, locally reinforced discs.…”

Section: Introductionmentioning

confidence: 99%

Manufacture of Locally Reinforced Composite Discs by Casting in the Alternating Electromagnetic Field

Golak

2015

Advances in Materials Science and Engineering

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The paper discusses a new method of obtaining local particle reinforcement in the composite discs. In this method, the liquid composite suspension is poured into a mould and then exposed to the alternating electromagnetic field. The Lorentz force acting on the liquid metal causes the reinforcement to move towards one or both surfaces of the manufactured disc. The paper presents the process theory, the methodology for the casting system design, and the results of an experimental manufacture of one-side and two-side reinforced composite discs made of aluminium alloy.

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Homogenization of Electromagnetic Force Field During Casting of Functionally Graded Composites

Cited by 14 publications

References 15 publications

Thermal Model of the Casting Process of Functionally Graded Composites

Thermal Model of the Casting Process of Functionally Graded Composites

Centrifugal Infiltration of Porous Ceramic Preforms by the Liquid Al Alloy – Theoretical Background and Experimental Verification

Manufacture of Locally Reinforced Composite Discs by Casting in the Alternating Electromagnetic Field

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