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  2. Friction data by UHV Microtribometry
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    Dataset: Friction data by UHV Microtribometry

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    Alternate identifier:
    (KITopen-DOI) 10.5445/IR/1000099737
    Related identifier:
    -
    Creator/Author:
    Cihan, Ebru [Cihan, Ebru]
    Contributors:
    (Other)
    Dienwiebel, Martin https://orcid.org/0000-0001-7682-0441 [Dienwiebel, Martin]
    Title:
    Friction data by UHV Microtribometry
    Additional titles:
    -
    Description:
    (Abstract) During sliding of metallic surfaces, the near surfaces undergo significant changes in terms of topography, composition and microstructure. Since friction and wear behavior of the materials are strongly influenced by sub-surface deformations, it is fundamental to investigate these effects. Therefore,... During sliding of metallic surfaces, the near surfaces undergo significant changes in terms of topography, composition and microstructure. Since friction and wear behavior of the materials are strongly influenced by sub-surface deformations, it is fundamental to investigate these effects. Therefore, the present study aims towards a better understanding of the behavior of friction depending on well-defined initial microstructures. By performing sliding experiments on Au-Ni multilayer samples under ultrahigh vacuum (UHV) conditions, we observe that the individual layer thickness of multilayer systems has a strong influence on friction behavior due to the transition in the dominant deformation mechanism near the surface. The experiments reported here provide a new route for lowering the friction force of metallic material systems in dry contact by providing more stable microstructures and alloy formation. Through ultrafine grains present in the alloy formed by mechanical mixing the number of grain boundaries strongly increases and hence, grain boundary-mediated deformation results in the low friction coefficient.

    During sliding of metallic surfaces, the near surfaces undergo significant changes in terms of topography, composition and microstructure. Since friction and wear behavior of the materials are strongly influenced by sub-surface deformations, it is fundamental to investigate these effects. Therefore, the present study aims towards a better understanding of the behavior of friction depending on well-defined initial microstructures. By performing sliding experiments on Au-Ni multilayer samples under ultrahigh vacuum (UHV) conditions, we observe that the individual layer thickness of multilayer systems has a strong influence on friction behavior due to the transition in the dominant deformation mechanism near the surface. The experiments reported here provide a new route for lowering the friction force of metallic material systems in dry contact by providing more stable microstructures and alloy formation. Through ultrafine grains present in the alloy formed by mechanical mixing the number of grain boundaries strongly increases and hence, grain boundary-mediated deformation results in the low friction coefficient.

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    (Technical Remarks) Friction data aquired by the homebuilt UHV microtribometer for a ruby sphere sliding against different Au-Ni multilayer samples. The data includes normal load, friction force and COF as a function of the mulitlayer thickness.

    Friction data aquired by the homebuilt UHV microtribometer for a ruby sphere sliding against different Au-Ni multilayer samples. The data includes normal load, friction force and COF as a function of the mulitlayer thickness.

    Keywords:
    -
    Related information:
    -
    Language:
    -
    Publishers:
    Karlsruhe Institute of Technology
    Production year:
    2019
    Subject areas:
    Materials Science
    Resource type:
    Dataset
    Data source:
    -
    Software used:
    -
    Data processing:
    -
    Publication year:
    2023
    Rights holders:
    Cihan, Ebru
    Funding:
    -
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    Name Storage Metadata Upload Action
    Status:
    Published
    Uploaded by:
    kitopen
    Created on:
    2023-04-20
    Archiving date:
    2023-06-24
    Archive size:
    36.9 kB
    Archive creator:
    kitopen
    Archive checksum:
    a3cd218da3a3609730c3f674d3461462 (MD5)
    Embargo period:
    -
    DOI: 10.35097/1524
    Publication date: 2023-06-24
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    Rights statement for the dataset
    This work is licensed under
    CC BY-NC-SA 4.0
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    Cite Dataset
    Cihan, Ebru (2023): Friction data by UHV Microtribometry. Karlsruhe Institute of Technology. DOI: 10.35097/1524
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