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Updated: Jul 2, 2025

Determining the Mechanical Strength of Ultra-Fine-Grained Metals
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在金属纳米晶体中可控制的伪弹性通过谷物边界工程

Hailin Deng1, Yingbin Chen2, Qi Zhu3

  • 1Center for X-Mechanics, Department of Engineering Mechanics, Zhejiang University, Hangzhou 310027, China.

Nano letters
|February 19, 2024
PubMed
概括

研究人员开发了一种谷物边界工程方法,以控制金属纳米晶体中的伪弹性. 这种方法利用在颗粒边界堆叠故障阵列进行可逆变形,这对于先进的纳米设备至关重要.

关键词:
可控制的伪弹性.谷物边界工程 谷物边界工程在位置传输电子显微镜.分子动力学模拟模拟纳米制剂是一种纳米材料.

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A material's elastic behavior is characterized by the disappearance of stress once the load is removed, allowing the material to return to its original state. However, when stress surpasses the yield point, yielding commences, marking the onset of plastic deformation or permanent set. This change from elastic to plastic behavior is influenced by the peak stress value and the duration before the load is removed. An intriguing observation occurs when a specimen is loaded, unloaded, and...
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