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Modelling of Alumina Splat Solidification on Preheated Steel Substrate Using the Network Simulation Method

Author

Listed:
  • Noelia González Morales

    (Department of Mechanical Engineering, Materials and Manufacturing, Universidad Politécnica de Cartagena, 30202 Cartagena, Spain)

  • Juan Francisco Sánchez-Pérez

    (Department of Applied Physics and Naval Technology, Universidad Politécnica de Cartagena, 30202 Cartagena, Spain)

  • Jose Andres Moreno Nicolás

    (Department of Mechanical Engineering, Materials and Manufacturing, Universidad Politécnica de Cartagena, 30202 Cartagena, Spain)

  • Andreas Killinger

    (Institute for Manufacturing Technologies of Ceramic Components and Composites (IMTCCC), University of Stuttgart, Allmandring 7b, 70569 Stuttgart, Germany)

Abstract

A mathematical model, consisting of a set of differential equations, for the simulation of the alumina splat solidification on steel substrate is presented. The network simulation method is used to solve the problem, which provides the temperatures and the cooling rate in the splat and substrate with a high temporal and spatial resolution for different values of the preheated substrate temperature. The results of this calculation provide important information for the design of ceramic coatings. The model design is explained in depth and simulated in open source software. As expected, the temperature evolutions in several points of the splat, an important variable to know the type of phases and the effect of the manufacturing parameters on this process, coincide with the experimental results. The model is also checked by another experimental test with tin and a bigger splat, which enables the temperature to be measured during solidification. It is worth highlighting the study of the cooling rate, a fundamental parameter to determine the phase, whether amorphous, gamma or alpha. Furthermore, a sensitive study of the mesh was included in order to optimize the computational time.

Suggested Citation

  • Noelia González Morales & Juan Francisco Sánchez-Pérez & Jose Andres Moreno Nicolás & Andreas Killinger, 2020. "Modelling of Alumina Splat Solidification on Preheated Steel Substrate Using the Network Simulation Method," Mathematics, MDPI, vol. 8(9), pages 1-17, September.
    • Handle: RePEc:gam:jmathe:v:8:y:2020:i:9:p:1568-:d:412252
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    Citations

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    Cited by:

    1. Juan Francisco Sánchez-Pérez & Guillermo Jorde-Cerezo & Adrián Fernández-Roiz & José Andrés Moreno-Nicolás, 2023. "Mathematical Modeling and Analysis Using Nondimensionalization Technique of the Solidification of a Splat of Variable Section," Mathematics, MDPI, vol. 11(14), pages 1-16, July.
    2. Gonzalo García-Ros & Juan Francisco Sánchez-Pérez & Julio Valenzuela & Manuel Conesa & Manuel Cánovas, 2022. "A Network Model for Electroosmotic and Pressure-Driven Flow in Porous Microfluidic Channels," Mathematics, MDPI, vol. 10(13), pages 1-19, July.

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