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Advances in In situ microfracture experimentation techniques: A case of nanoscale metal-metal multilayered materials

机译:原位微折衷实验技术进步:一种纳米金属 - 金属多层材料的情况

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摘要

Plasticity and fracture of materials at the nanoscale levels can deviate significantly from the same phenomena in bulk properties, which may have important implications if they are to be used in real-world engineering systems. Nanoscale metal-metal multilayered materials provide a model material system platform to understand plasticity and fracture based on dislocation interactions with microstructural features. Recently, there is a growing trend to understand the fracture of multilayered materials to see the interactions between the crack and multilayered interface through novel experimentation techniques. In this review, we will introduce the rationale, the current microfracture methods to test and analyze the multilayer fracture behavior and the challenges faced in performing them. Four examples of in situ fracture techniques are highlighted in this work through tensile testing of film on a substrate: microfracture clamped beam bending technique across the multilayers and delamination along the multilayered interface.
机译:纳米级水平的材料的可塑性和骨折可以显着地偏离相同的批量性质现象,这可能具有重要意义,如果要在现实世界的工程系统中使用。纳米级金属 - 金属多层材料提供了一种模型材料系统平台,以了解基于与微观结构特征的位错相互作用的可塑性和裂缝。最近,了解多层材料的骨折,通过新颖的实验技术了解多层材料的裂缝,以了解裂缝和多层界面之间的相互作用的趋势。在本综述中,我们将介绍基本原理,目前的微型方法来测试和分析多层骨折行为,并在执行它们时面临的挑战。通过衬底上的薄膜的拉伸测试,在这项工作中突出了原位断裂技术的四种例子:微磨损夹持梁弯曲技术,沿着多层界面分散。

著录项

  • 来源
    《Journal of Materials Research》 |2019年第9期|1449-1468|共20页
  • 作者单位

    Singapore Univ Technol & Design Engn Prod Dev EPD Pillar Xtreme Mat Lab Singapore 487372 Singapore;

    Singapore Univ Technol & Design Engn Prod Dev EPD Pillar Xtreme Mat Lab Singapore 487372 Singapore;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    nanoscale; layered; fracture;

    机译:纳米级;分层;骨折;

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