Materials Map

Discover the materials research landscape. Find experts, partners, networks.

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The Materials Map is an open tool for improving networking and interdisciplinary exchange within materials research. It enables cross-database search for cooperation and network partners and discovering of the research landscape.

The dashboard provides detailed information about the selected scientist, e.g. publications. The dashboard can be filtered and shows the relationship to co-authors in different diagrams. In addition, a link is provided to find contact information.

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The Materials Map is still under development. In its current state, it is only based on one single data source and, thus, incomplete and contains duplicates. We are working on incorporating new open data sources like ORCID to improve the quality and the timeliness of our data. We will update Materials Map as soon as possible and kindly ask for your patience.

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in Cooperation with on an Cooperation-Score of 37%

Topics

Publications (2/2 displayed)

  • 2023The influence of vibration amplitude on AA7075-T6 corrosion resistance improvement during ultrasonic-assisted burnishing10citations
  • 2022Drilling of Al<sub>2</sub>O<sub>3</sub> ceramic using ultrasonic assisted electrochemical discharge machining process4citations

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Chart of shared publication
Khosrojerdi, Mohammadreza
1 / 1 shared
Razfar, Mohammad Reza
2 / 3 shared
Bagheri, Mohammad
2 / 4 shared
Sayadi, Daniyal
2 / 2 shared
Hemasian Etefagh, Ardeshir
1 / 1 shared
Chart of publication period
2023
2022

Co-Authors (by relevance)

  • Khosrojerdi, Mohammadreza
  • Razfar, Mohammad Reza
  • Bagheri, Mohammad
  • Sayadi, Daniyal
  • Hemasian Etefagh, Ardeshir
OrganizationsLocationPeople

article

The influence of vibration amplitude on AA7075-T6 corrosion resistance improvement during ultrasonic-assisted burnishing

  • Khosrojerdi, Mohammadreza
  • Razfar, Mohammad Reza
  • Bagheri, Mohammad
  • Sayadi, Daniyal
  • Khajehzadeh, Mohsen
Abstract

<jats:p> Corrosion resistance of materials is predominately dependent on their surface roughness. Therefore, surface finishing techniques can effectively improve the corrosion resistance of the components. Ultrasonic-assisted burnishing (UAB) process is a newly developed surface finishing technique capable of flattening the surface of components without material removal. This research experimentally investigated the effects of amplitude in the UAB process on surface roughness and corrosion performance of AA7075-T6 aluminum alloys. Turned sample (control) was treated by conventional burnishing (CB), followed by UAB with an amplitude of 10, 20, and 30 µm. Then, the surface roughness, microstructure, microhardness, and corrosion resistance of the treated samples were assessed. The surface roughness showed an improvement upon burnishing of the samples, where the best surface was achieved by UAB with an amplitude of 10 µm. UAB process also led to grain refinement such that finer grains could be achieved by increasing the amplitude. Microhardness also increased after the UAB process which got intensified by increasing the amplitude. The turned sample showed the least corrosion resistance, while the UAB-treated specimens (amplitude of 10 µm) exhibited minimal corrosion rate. Furthermore, the enhancement of UAB amplitude increased the surface roughness, causing a decline in corrosion resistance. </jats:p>

Topics
  • impedance spectroscopy
  • surface
  • grain
  • corrosion
  • aluminium
  • ultrasonic