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W-B-C Nanostructured Layers - Microstructure and Mechanical Properties

机译:W-B-C纳米结构层-微观结构和力学性能

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摘要

Several W-B-C layers were prepared by magnetron sputtering. The microstructure of thin layers was observed by means of scanning and transmission electron microscopy on cross sections prepared using a focused ion beam. Both undisturbed layers and the volume under indentation prints were inspected. The W-B-C layers are fine nanostructured materials about 2 um thick and indents with loads up to 1 N do not cause any visible defects (cracks, delamination etc). The results were correlated with mechanical properties characterized by means of nanoindentation experiments in both the static and the dynamic loading regime using a Berkovich indenter. Elastic modulus, indentation hardness and fracture resistance of prepared nanostructured coatings were evaluated and discussed.
机译:通过磁控溅射制备几个W-B-C层。通过扫描和透射电子显微镜在使用聚焦离子束制备的横截面上观察薄层的微观结构。检查未受扰动的层和压痕印刷下的体积。 W-B-C层是约2 um厚的精细纳米结构材料,压痕的载荷高达1 N,不会造成任何可见的缺陷(裂纹,分层等)。结果与机械性能相关,该机械性能通过使用Berkovich压头的静态和动态加载方式中的纳米压痕实验表征。对制备的纳米结构涂层的弹性模量,压痕硬度和抗断裂性进行了评估和讨论。

著录项

  • 来源
  • 会议地点 Brno(CZ)
  • 作者单位

    Institute of Physics of Materials, Czech Academy of Sciences, Zizkova 22, CZ-61662 Brno, Czech Republic;

    Institute of Physics of Materials, Czech Academy of Sciences, Zizkova 22, CZ-61662 Brno, Czech Republic;

    Department of Physical Electronics, Faculty of Science, Masaryk University, Kotlarska 2. CZ-61137 Brno. Czech ReDublic;

    Department of Physical Electronics, Faculty of Science, Masaryk University, Kotlarska 2. CZ-61137 Brno. Czech ReDublic;

    Department of Physical Electronics, Faculty of Science, Masaryk University, Kotlarska 2. CZ-61137 Brno. Czech ReDublic;

    Department of Physical Electronics, Faculty of Science, Masaryk University, Kotlarska 2. CZ-61137 Brno. Czech ReDublic;

    Department of Physical Electronics, Faculty of Science, Masaryk University, Kotlarska 2. CZ-61137 Brno. Czech ReDublic;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    coating; nanostructure; electron microscopy; nanoindentation; fracture toughness;

    机译:涂层;纳米结构电子显微镜;纳米压痕断裂韧性;

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