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首页> 外文期刊>Journal of Applied Mechanics and Technical Physics >NONLINEAR VIBRATIONS OF THE IMMERSED DAGGER-SHAPED ATOMIC FORCE MICROSCOPE CANTILEVER IN DIFFERENT LIQUIDS STUDIED BY EXPERIMENTAL AND THEORETICAL METHODS
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NONLINEAR VIBRATIONS OF THE IMMERSED DAGGER-SHAPED ATOMIC FORCE MICROSCOPE CANTILEVER IN DIFFERENT LIQUIDS STUDIED BY EXPERIMENTAL AND THEORETICAL METHODS

机译：实验和理论方法研究不同液体中浸渍匕首形原子力显微镜悬臂的非线性振动

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摘要

In this paper, the nonlinear dynamic behavior of an immersed dagger-shaped atomic force microscope cantilever in different liquids has been investigated for the first time. The Timoshenko beam theory, which considers rotatory inertia and shear deformation effects, has been used for modeling the cantilever. The nonlinear tip-sample interaction force has been modeled by using the Hertzian contact theory. Water, methanol, acetone, and carbon tetrachloride are considered as the immersion environments. In most cases, the softening behavior has been observed for the cantilever. The resonant frequency is found to decrease with an increase in the liquid viscosity. The experimental results have been compared with the theoretical predictions and are found to be in good agreement.
机译：本文首次研究了不同液体中浸入的匕首形原子力显微镜显微镜悬臂的非线性动力学行为。考虑旋转惯性和剪切变形效果的Timoshenko光束理论已用于建模悬臂。非线性尖端样品相互作用力通过使用赫斯氏接触理论进行建模。水，甲醇，丙酮和四氯化碳被认为是浸入环境。在大多数情况下，悬臂观察到软化行为。发现谐振频率随着液体粘度的增加而降低。实验结果与理论预测进行了比较，并被发现符合良好的一致性。

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