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Preparation of Ni-SiC composite layers with intermetallic nickel aluminide interlayer by two-step electrochemical deposition and heat treatment.

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Title: Preparation of Ni-SiC composite layers with intermetallic nickel aluminide interlayer by two-step electrochemical deposition and heat treatment.
Authors: Rahimi, Mohammad Javad Salek1 (AUTHOR), Sarvari, Mohammad Mahdi Aghaei1 (AUTHOR), Karimzadeh, Safoura1 (AUTHOR), Pourali, Mahdiyeh2 (AUTHOR), Khosroshahi, Rasoul Azari2 (AUTHOR), Jafari, Robabeh3 (AUTHOR) r.jafari@urmia.ac.ir
Source: Journal of Mechanical Science & Technology. Mar2025, Vol. 39 Issue 3, p1159-1164. 6p.
Subjects: Surface preparation, Physical & theoretical chemistry, Differential scanning calorimetry, Diffusion kinetics, Heat treatment
Abstract: Electrochemical deposition is one of the most cost-effective methods for the preparation of composite layers with intermetallic matrix containing nickel aluminides. For this purpose, an aluminum-6061 sample was selected as a substrate and subjected to electrochemical deposition of Nickel-SiC nanocomposites after surface preparation. Subsequently, the coated samples were heat treated at 420, 520 and 560 °C in a furnace with argon atmosphere. Scanning electron microscopy was used to study the morphology of the obtained coating layers. The hardness of the coating layers was evaluated using a nanoindentation method. The changes in alloying elements were determined using an EDX elemental analyzer. XRD analysis was used to study the phase structure after thermal treatment. Differential scanning calorimetry (DSC) and diffusion kinetics were used to study the phase formation process. The results show that the present intermediate layer consists of two main phases. It is concluded that the first phase of Al3Ni is formed at the interface between the coating and the substrate. In the second phase, the reaction of Al3Ni and the coating form the second phase of Al3Ni2. Due to the growth of the hard secondary phase and the uniform distribution of the nanoparticles in the coating matrix, there is an increase in hardness. The maximum thickness of the intermetallic region was reached at 560 °C, with primary and secondary phase formation detected by DSC. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Mechanical Science & Technology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Preparation of Ni-SiC composite layers with intermetallic nickel aluminide interlayer by two-step electrochemical deposition and heat treatment.
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  Data: <searchLink fieldCode="AR" term="%22Rahimi%2C+Mohammad+Javad+Salek%22">Rahimi, Mohammad Javad Salek</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sarvari%2C+Mohammad+Mahdi+Aghaei%22">Sarvari, Mohammad Mahdi Aghaei</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Karimzadeh%2C+Safoura%22">Karimzadeh, Safoura</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Pourali%2C+Mahdiyeh%22">Pourali, Mahdiyeh</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Khosroshahi%2C+Rasoul+Azari%22">Khosroshahi, Rasoul Azari</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jafari%2C+Robabeh%22">Jafari, Robabeh</searchLink><relatesTo>3</relatesTo> (AUTHOR)<i> r.jafari@urmia.ac.ir</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Mechanical+Science+%26+Technology%22">Journal of Mechanical Science & Technology</searchLink>. Mar2025, Vol. 39 Issue 3, p1159-1164. 6p.
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  Data: <searchLink fieldCode="DE" term="%22Surface+preparation%22">Surface preparation</searchLink><br /><searchLink fieldCode="DE" term="%22Physical+%26+theoretical+chemistry%22">Physical & theoretical chemistry</searchLink><br /><searchLink fieldCode="DE" term="%22Differential+scanning+calorimetry%22">Differential scanning calorimetry</searchLink><br /><searchLink fieldCode="DE" term="%22Diffusion+kinetics%22">Diffusion kinetics</searchLink><br /><searchLink fieldCode="DE" term="%22Heat+treatment%22">Heat treatment</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Electrochemical deposition is one of the most cost-effective methods for the preparation of composite layers with intermetallic matrix containing nickel aluminides. For this purpose, an aluminum-6061 sample was selected as a substrate and subjected to electrochemical deposition of Nickel-SiC nanocomposites after surface preparation. Subsequently, the coated samples were heat treated at 420, 520 and 560 °C in a furnace with argon atmosphere. Scanning electron microscopy was used to study the morphology of the obtained coating layers. The hardness of the coating layers was evaluated using a nanoindentation method. The changes in alloying elements were determined using an EDX elemental analyzer. XRD analysis was used to study the phase structure after thermal treatment. Differential scanning calorimetry (DSC) and diffusion kinetics were used to study the phase formation process. The results show that the present intermediate layer consists of two main phases. It is concluded that the first phase of Al3Ni is formed at the interface between the coating and the substrate. In the second phase, the reaction of Al3Ni and the coating form the second phase of Al3Ni2. Due to the growth of the hard secondary phase and the uniform distribution of the nanoparticles in the coating matrix, there is an increase in hardness. The maximum thickness of the intermetallic region was reached at 560 °C, with primary and secondary phase formation detected by DSC. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Journal of Mechanical Science & Technology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Text: English
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      – SubjectFull: Differential scanning calorimetry
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      – SubjectFull: Diffusion kinetics
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      – TitleFull: Preparation of Ni-SiC composite layers with intermetallic nickel aluminide interlayer by two-step electrochemical deposition and heat treatment.
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            NameFull: Rahimi, Mohammad Javad Salek
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              Text: Mar2025
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