基于ANSYS的氧化钛涂膜玻璃的纳米物理压痕模拟仿真实验

Simulation Experiments on Nanoscale Physical Indentation of Glass Coated with Titanium Oxide Based on ANSYS

随着纳米科学技术的发展,薄膜材料被广泛的应用于各个领域。氧化钛纳米材料具有自清洁功能,这使得纳米氧化钛涂膜被应用到建筑玻璃、卫生间以及厨房的装修材料中。但是薄膜材料的力学性能评价非常的复杂,目前大部分的研究是通过实验来完成,氧化钛薄膜力学性能对实验设备要求非常高,并且实验周期大,人力物力资源消耗大。在这种背景下,本文提出了一种氧化钛涂膜玻璃的纳米物理压痕有限元数值模拟方法,运用ANSYS软件在计算预处理模块建立了氧化钛涂膜玻璃和硬质接触头的数值模型,并通过网格划分将模型划分成8万个结构化六面体网格。最后,通过计算得到了不同厚度下氧化钛涂膜玻璃的弹性模量和硬度,其中弹性模量最大为91 GP,硬度最大为7.6 GP。

With the development of Nano science and technology, thin film materials are widely used in various fields. The titanium nano materials has a self-cleaning function which makes nano-titanium dioxide coating has been applied to the materials of architectural glass, bathroom and kitchen decoration. However, the evaluation of the mechanical properties of the film material is very complex. At present, most of the studies are achieved through experiments. The requirements of mechanical properties of titanium oxide film on the experimental devices are very high and experimental periods are long and the consumptions of human and material resources are high. Based on this situation, this paper proposes finite element numerical simulation method of the titanium oxide coated glass Nano physical indentation. This paper establishes numerical model of titanium oxide coated glass and hard contact head using ANSYS software in the pre-processing module of computer. It also divides the module into 80000 structured hexahedral grids through meshing. At last, this paper gets the elastic modulus and hardness of titanium oxide coated glass of different thicknesses through the calculation. The maximum elastic modulus is 91 GP and the maximum hardness is 7.6 GP.