Scaling of the fracture toughness of freestanding metallic thin films with the yield strength

Eva I. Preiß; Florentina Gannott; Mathias Göken; Benoit Merle

doi:10.1080/21663831.2018.1520749

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Scaling of the fracture toughness of freestanding metallic thin films with the yield strength

Original Report | 更新时间：2026-08-19

- Scaling of the fracture toughness of freestanding metallic thin films with the yield strength
- Scaling of the fracture toughness of freestanding metallic thin films with the yield strength
- 材料研究快报（英文） 2018年6卷第10期页码：607-612
- 作者机构：
  
  1. Materials Science & Engineering Institute I Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU)
  2. Technology Development and Service Unit for Nanostructuring Max-Planck-Institute for the Science of Light
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2018.1520749
  中图分类号：
- 网络首发：2018-09-18，
  
  纸质出版：2018
- 稿件说明：
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Eva I. Preiß, Florentina Gannott, Mathias Göken, 等. Scaling of the fracture toughness of freestanding metallic thin films with the yield strength[J]. 材料研究快报（英文）, 2018,6(10):607-612.

Eva I. Preiß, Florentina Gannott, Mathias Göken, et al. Scaling of the fracture toughness of freestanding metallic thin films with the yield strength[J]. Materials Research Letters, 2018, 6(10): 607-612.
Eva I. Preiß, Florentina Gannott, Mathias Göken, 等. Scaling of the fracture toughness of freestanding metallic thin films with the yield strength[J]. 材料研究快报（英文）, 2018,6(10):607-612. DOI： 10.1080/21663831.2018.1520749.

Eva I. Preiß, Florentina Gannott, Mathias Göken, et al. Scaling of the fracture toughness of freestanding metallic thin films with the yield strength[J]. Materials Research Letters, 2018, 6(10): 607-612. DOI： 10.1080/21663831.2018.1520749.

摘要

Abstract

BSTRACTThe influence of the yield strength on the fracture toughness of freestanding metallic films with a thickness of ∼150 nm was investigated by bulge testing. For this purpose

gold films prepared by thermal evaporation were tested at room temperature and at 100°C. Additionally

different Au-Ag solid-solution strengthened films were studied. The fracture toughness of the films is observed to increase with increasing yield stress. This is at first sight counterintuitive but can be explained by previously observed severe necking leading to a chisel-point type of fracture in freestanding metallic thin films.

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相关机构

College of Materials Science and Engineering Key Laboratory of Advanced Functional Materials Ministry of Education of China Beijing University of Technology

3 Institute of Mechanics Materials and Civil Engineering UCLouvain

2 Herbert Gleiter Institute of Nanoscience Nanjing University of Science and Technology

1 Key Laboratory for Light-Weight Materials Nanjing Tech University

e Institute of Materials Science and Technology TU Wien

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