Numerical analysis of glass edge chipping by impact loading

IF 2.2 3区工程技术 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

International Journal of Fracture Pub Date : 2023-06-26 DOI:10.1007/s10704-023-00720-z

Sayako Hirobe, Yosuke Sato, Yoichi Takato, Kenji Oguni

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引用次数: 2

Abstract

This study presents numerical analyses for edge chipping by impact loading. As a numerical analysis method, we extend Particle Discretization Scheme Finite Element Method (PDS-FEM) developed by the authors to be able to simulate fracture due to impact loading. We performed simulations targeting edge chipping of soda-lime glass by impact of rigid steel sphere and examined the crack morphology while varying the diameter of the impactor, the impact velocity, and the impact distance. The proposed method successfully simulates the 3D complex crack pattern on edge chipping such as Hertzian cone crack and conchoidal chip scar. The method also reproduces the change of crack morphologies depending on the impact force and the impact distance. Also, a series of numerical analyses is presented to reveal the effect of the impactor geometry on the chip dimensions. The height of chip is independent of the impactor geometry while the width of chip depends on it. According to the agreement with experimental results, it is confirmed that the proposed method is capable of realizing edge chipping due to impact loading.

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冲击载荷作用下玻璃边缘碎裂的数值分析

本文对冲击载荷作用下的边缘剥落进行了数值分析。作为一种数值分析方法，我们扩展了作者提出的粒子离散有限元法(PDS-FEM)，使其能够模拟冲击载荷导致的断裂。我们模拟了硬钢球撞击钠钙玻璃的边缘碎裂，并研究了不同撞击器直径、撞击速度和撞击距离下的裂纹形态。该方法成功地模拟了边缘切屑上赫兹锥裂纹和贝壳形切屑疤痕等三维复杂裂纹模式。该方法还再现了裂纹形貌随冲击力和冲击距离的变化。通过一系列数值分析，揭示了冲击器几何形状对切屑尺寸的影响。切屑的高度与冲击器的几何形状无关，而切屑的宽度则取决于其几何形状。与实验结果一致，证实了所提出的方法能够实现冲击载荷作用下的边缘切屑。

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来源期刊

International Journal of Fracture 物理-材料科学：综合

CiteScore

4.80

自引率

8.00%

发文量

审稿时长

13.5 months

期刊介绍： The International Journal of Fracture is an outlet for original analytical, numerical and experimental contributions which provide improved understanding of the mechanisms of micro and macro fracture in all materials, and their engineering implications. The Journal is pleased to receive papers from engineers and scientists working in various aspects of fracture. Contributions emphasizing empirical correlations, unanalyzed experimental results or routine numerical computations, while representing important necessary aspects of certain fatigue, strength, and fracture analyses, will normally be discouraged; occasional review papers in these as well as other areas are welcomed. Innovative and in-depth engineering applications of fracture theory are also encouraged. In addition, the Journal welcomes, for rapid publication, Brief Notes in Fracture and Micromechanics which serve the Journal''s Objective. Brief Notes include: Brief presentation of a new idea, concept or method; new experimental observations or methods of significance; short notes of quality that do not amount to full length papers; discussion of previously published work in the Journal, and Brief Notes Errata.