Effect of residual stress and microstructure on mechanical properties of sputter-grown Cu/W nanomultilayers

JSON Export

{
  "metadata": {
    "edited_by": 576, 
    "owner": 969, 
    "_oai": {
      "id": "oai:materialscloud.org:2209"
    }, 
    "description": "The combination of the high wear resistance and mechanical strength of W with the high thermal conductivity of Cu makes the Cu/W system an attractive candidate material for heat sink plasma and radiation tolerance applications. However, the resulting mechanical properties of multilayers and coatings strongly depend on the microstructure of the layers. \nIn this work, the mechanical properties of Cu/W nanomultilayers with different densities of internal interfaces are systematically investigated for two opposite in-plane stress states and critically discussed in comparison with literature. Atomistic simulations with the state-of-the-art neural network potential are used to explain the experimental findings. The results suggest that the microstructure, specifically the excess free volume associated with porosity and interface disorder interconnected with the stress state, has a great impact on the mechanical properties, notably Young's modulus of Cu/W nanomultilayers.", 
    "mcid": "2024.85", 
    "id": "2209", 
    "license": "Creative Commons Attribution 4.0 International", 
    "license_addendum": null, 
    "references": [
      {
        "citation": "G. Lorenzin, F. F. Klimashin, J. Yeom, Y. Hu, J. Michler, J. Janczak-Rusch, V. Turlo, C. Cancellieri, submitted (2024)", 
        "type": "Preprint", 
        "comment": "Paper relying on this data"
      }
    ], 
    "doi": "10.24435/materialscloud:nn-03", 
    "keywords": [
      "nanomultilayers", 
      "nanoindentation", 
      "atomistic simulations", 
      "Cu/W", 
      "hardness", 
      "Young's modulus", 
      "MARVEL/DD1"
    ], 
    "contributors": [
      {
        "affiliations": [
          "Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Joining Technologies and Corrosion"
        ], 
        "familyname": "Lorenzin", 
        "givennames": "Giacomo"
      }, 
      {
        "affiliations": [
          "Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Mechanics of Materials and Nanostructures"
        ], 
        "familyname": "Klimashin", 
        "givennames": "Fedor"
      }, 
      {
        "affiliations": [
          "Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Joining Technologies and Corrosion"
        ], 
        "familyname": "Jeom", 
        "givennames": "Jeyun"
      }, 
      {
        "affiliations": [
          "Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Advanced Materials Processing"
        ], 
        "familyname": "Hu", 
        "givennames": "Yang"
      }, 
      {
        "affiliations": [
          "Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Mechanics of Materials and Nanostructures"
        ], 
        "familyname": "Michler", 
        "givennames": "Johann"
      }, 
      {
        "affiliations": [
          "Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Joining Technologies and Corrosion"
        ], 
        "familyname": "Janczak-Rusch", 
        "givennames": "Jolanta"
      }, 
      {
        "affiliations": [
          "Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Advanced Materials Processing", 
          "National Centre for Computational Design and Discovery of Novel Materials MARVEL, Empa, Thun, Switzerland"
        ], 
        "familyname": "Turlo", 
        "email": "vladyslav.turlo@empa.ch", 
        "givennames": "Vladyslav"
      }, 
      {
        "affiliations": [
          "Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Joining Technologies and Corrosion"
        ], 
        "familyname": "Cancellieri", 
        "email": "Claudia.Cancellieri@empa.ch", 
        "givennames": "Claudia"
      }
    ], 
    "conceptrecid": "2208", 
    "version": 1, 
    "publication_date": "Jun 07, 2024, 16:34:40", 
    "is_last": true, 
    "status": "published", 
    "_files": [
      {
        "size": 992736, 
        "checksum": "md5:78f31e1126a62161382418ebc798fd4b", 
        "description": "Experimental data (Readme file is inside)", 
        "key": "Experimental_data.zip"
      }, 
      {
        "size": 55513210, 
        "checksum": "md5:4887a61eb68aeb9905b6a9c16aa551a7", 
        "description": "Modeling data (Readme file is inside)", 
        "key": "Modeling_data.zip"
      }
    ], 
    "title": "Effect of residual stress and microstructure on mechanical properties of sputter-grown Cu/W nanomultilayers"
  }, 
  "id": "2209", 
  "updated": "2024-06-07T14:34:40.084458+00:00", 
  "created": "2024-06-07T13:45:55.762862+00:00", 
  "revision": 2
}