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In this study, the deposition of B2-structured AlCoCrFeNi-based high-entropy alloy (HEA) onto A356 aluminum alloy substrate via a self-propagating high-temperatureTemperature synthesis method was aimed. The mixing of metal oxide powders (Co3O4, Cr2O3Cr2O3, Fe2O3, NiO, and TiO2TiO2) with metallic Al powders was used as the raw material. The effects of raw material weights and compositions on the properties of the high-entropy alloy layers were investigated. In the study, the reduction efficiencies of metal oxides were also calculated. The Vickers hardnessHardness test, scanning electron microscopyScanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS), X-ray fluorescence (XRF), and X-ray diffraction (XRD) analyses were performed for characterizationCharacterization of theSHS-coating finalAl-A356 alloy products.

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AlCoCrFeNi-Based High-Entropy Superalloy Coating Applied onto the Surface of Al-Alloys

  • 会议论文

  • 发表日期：

    2025年

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  • Murat Alkan,
  • Esra Dokumaci Alkan,
  • Gizem Ari

摘要

In this study, the deposition of B2-structured AlCoCrFeNi-based high-entropy alloy (HEA) onto A356 aluminum alloy substrate via a self-propagating high-temperatureTemperature synthesis method was aimed. The mixing of metal oxide powders (Co3O4, Cr2O3Cr2O3, Fe2O3, NiO, and TiO2TiO2) with metallic Al powders was used as the raw material. The effects of raw material weights and compositions on the properties of the high-entropy alloy layers were investigated. In the study, the reduction efficiencies of metal oxides were also calculated. The Vickers hardnessHardness test, scanning electron microscopyScanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS), X-ray fluorescence (XRF), and X-ray diffraction (XRD) analyses were performed for characterizationCharacterization of theSHS-coating finalAl-A356 alloy products.