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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Investigation of the mechanical properties of Mo-reinforced glass-matrix composites
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Investigation of the mechanical properties of Mo-reinforced glass-matrix composites

机译：钼增强玻璃基复合材料的力学性能研究

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摘要

One approach for reducing the inherent brittleness and flaw sensitivity of glass is to fabricate a composite material by incorporating particles or fibers in the glass matrix. In order to fully understand the toughening mechanisms in composites, it is useful to develop predictive models able to describe the mechanical behavior and its dependence on microstructure. To this aim, numerical models can be used in order to assess the effect of the glass-matrix composite microstructure on the effective macroscopic mechanical and fracture properties. An innovative microstructure-based finite element code is used to describe the mechanical performance of glass matrix composites. This code is able to convert digitized images of the material microstructure into a finite element grid, so that all microstructural details such as inclusion size, morphology and volume fraction can be incorporated in the model. In this study, a borosilicate glass matrix composite reinforced with molybdenum particles is characterized using the aforementioned microstructure-based FEM approach in terms of residual stresses and elastic properties. (C) 2004 Elsevier B.V. All rights reserved.
机译：降低玻璃固有的脆性和缺陷敏感性的一种方法是通过在玻璃基质中掺入颗粒或纤维来制造复合材料。为了充分理解复合材料中的增韧机理，建立能够描述机械行为及其对微观结构的依赖性的预测模型非常有用。为此，可以使用数值模型来评估玻璃基复合材料微观结构对有效宏观力学性能和断裂性能的影响。基于微结构的创新有限元代码用于描述玻璃基复合材料的机械性能。该代码能够将材料微结构的数字化图像转换成有限元网格，以便将所有微结构细节（例如夹杂物尺寸，形态和体积分数）都纳入模型中。在这项研究中，使用上述基于微结构的有限元方法在残余应力和弹性性能方面表征了钼颗粒增强的硼硅酸盐玻璃基复合材料。 （C）2004 Elsevier B.V.保留所有权利。

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