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Updated: Jun 13, 2025

Quantitative Hardness Measurement by Instrumented AFM-indentation
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关于材料构成模型对模拟纳米削过程的适用性

Hao Shen1, Sivakumar Kulasegaram1, Emmanuel Brousseau1

  • 1School of Engineering, Cardiff University, Queen's Buildings, The Parade, Cardiff CF24 3AA, UK.

Materials (Basel, Switzerland)
|September 14, 2024
PubMed
概括

约翰逊-库克模型提供了比elasto-plastic模型更准确的对铜的纳米擦力和地形模拟. 这项研究强调了为精确的光滑粒子水力学 (SPH) 模拟选择合适材料模型的重要性.

关键词:
约翰逊库克模型拉斯托 - 塑料模型纳米划痕的纳米划痕可以顺粒子水力动力学 (SPH)

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Brittle materials, including glass, cast iron, and stone, exhibit unique characteristics. They fracture without considerable change in their elongation rate, indicating that their breaking and ultimate strength are equivalent. Such materials also show lower strain levels at the point of rupture. The failure in brittle materials predominantly results from normal stresses, as evidenced by the rupture created along a surface perpendicular to the applied load. These materials do not display...
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