Prediction of the inter-fiber mechanical properties of composites: Part Ⅱ Failure criterion based on micromechanics and cross-scale stress calculation

Wang Xiaodong; Guan Zhidong; Wang Yao; Li Zengshan; Han Geng; Meng Qingchun; Du Shanyi

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Prediction of the inter-fiber mechanical properties of composites: Part Ⅱ Failure criterion based on micromechanics and cross-scale stress calculation

机译：复合材料纤维间机械性能的预测：基于微机械和跨尺度应力计算的第Ⅱ部分失效标准

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摘要

A novel inter-fiber failure criterion of composites based on micro-scale failure mechanism is proposed in this paper. The composites failure is determined by the failure of constituents near interface, where the micro-scale stress is "risk". A cross-scale stress calculation formula is derived according to inclusion theory, and proved precise by comparing with the micro-scale simulation results. The accuracy of the failure criterion is verified through the experimental results and simulation results of micro-scale model under biaxial stress. The failure criterion considers the micro-scale stress distribution, fiber volume fraction and elastic properties of constituents, and can give precise predictions on the strength and failure angle of fiber reinforced polymer composite.

机译：本文提出了一种基于微尺度故障机理的复合材料的新型纤维纤维失效标准。复合材料故障由接口附近的成分失败确定，微尺度应力是“风险”。根据夹杂物理论导出横垢应力计算公式，并通过与微级模拟结果进行比较来证明精确。通过双轴应力下微尺度模型的实验结果和仿真结果验证了失效标准的准确性。失效标准考虑了成分的微垢应力分布，纤维体积分数和弹性性能，并且可以对纤维增强聚合物复合材料的强度和失效角度提供精确的预测。

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来源
《Composite Structures》 |2021年第9期|114126.1-114126.13|共13页
作者
Wang Xiaodong; Guan Zhidong; Wang Yao; Li Zengshan; Han Geng; Meng Qingchun; Du Shanyi;
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作者单位

Beihang Univ Sch Aeronaut Sci & Engn Beijing 100191 Peoples R China;

Beihang Univ Sch Aeronaut Sci & Engn Beijing 100191 Peoples R China;

Beihang Univ Sch Aeronaut Sci & Engn Beijing 100191 Peoples R China;

Beihang Univ Sch Aeronaut Sci & Engn Beijing 100191 Peoples R China;

Beihang Univ Sch Aeronaut Sci & Engn Beijing 100191 Peoples R China;

Beihang Univ Sch Aeronaut Sci & Engn Beijing 100191 Peoples R China;

Beihang Univ Sch Aeronaut Sci & Engn Beijing 100191 Peoples R China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
Polymer-matrix composites (PMCs); Mechanical properties; Micro-mechanics; Failure criterion; Matrix cracking;

机译：聚合物 - 基质复合材料（PMC）;机械性能;微型力学;失效标准;矩阵开裂;

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1. A micromechanical analysis of inter-fiber failure in long reinforced composites based on the phase field approach of fracture combined with the cohesive zone model [J] . Guillen-Hernandez T., Garcia I. G., Reinoso J., International Journal of Fracture . 2019,第2期

机译：基于粘性区模型相结合的基于相裂缝近期纤维复合材料纤维间失效的微机械分析
2. A 3D micromechanical energy-based creep failure criterion for high-temperature polymer-matrix composites [J] . Alireza Sayyidmousavi, Habiba Bougherara, Seyed Reza Falahatgar Journal of Reinforced Plastics and Composites . 2014,第4期

机译：基于3D微机械能的高温聚合物基复合材料蠕变破坏准则
3. Strength prediction in composites with stress concentrations: classical Weibull and critical failure volume methods with micromechanical considerations [J] . Iarve EV, Mollenhauer D, Whitney TJ, Journal of Materials Science . 2006,第20期

机译：具有应力集中的复合材料的强度预测：考虑微力学的经典威布尔法和临界破坏体积法
4. Micromechanical Bases for the Prediction of Failure of the Matrix in Fibrous Composites [C] . F. Paris, E. Correa, V. Mantic 44th AIAA/ASME/ASCE/AHS Structures, Structural Dynamics, and Materials Conference ; 11th AIAA/ASME/AHS Adaptive Structures Conference ; 5th AIAA Non-Deterministic Approaches Forum ; 4th AIAA Gossamer Spacecraft Forum ; AIAA Dynamics Specialists Conference . 2003

机译：预测纤维复合材料基体破坏的微机械基础
5. Processing, mechanical properties, and micromechanics of in situ failure in transparent ceramic matrix composites [D] . Sun, Yongjian 1998

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6. Influence of Graphene Platelet Aspect Ratio on the Mechanical Properties of HDPE Nanocomposites: Microscopic Observation and Micromechanical Modeling [O] . Evangelia Tarani, Iouliana Chrysafi, Alfréd Kállay-Menyhárd, 2020

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7. Investigation of Mechanical Properties of Unidirectional Steel Fiber/Polyester Composites: Experiments and Micromechanical Predictions [O] . Raghavalu Thirumalai Durai Prabhakaran, Løgstrup Andersen Tom, Bech Jakob Ilsted, 2016

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8. Strength Prediction in Composites with Stress Concentrations: Classical Weibull and Critical Failure Volume Methods With Micromechanical Considerations (Preprint) [R] . Iarve, E. V. , Mollenhauer, D. , Whitney, T. J. , 2006

机译：应力集中复合材料的强度预测：经典Weibull和具有微观力学考虑的临界失效体积方法（预印本）

Prediction of the inter-fiber mechanical properties of composites: Part Ⅱ Failure criterion based on micromechanics and cross-scale stress calculation

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