The effects of network reinforcement distribution on the mechanical properties and cutting behavior of SiCp/Al composites

IF 2.6 3区材料科学 Q2 ENGINEERING, MANUFACTURING

International Journal of Material Forming Pub Date : 2024-08-06 DOI:10.1007/s12289-024-01850-y

Liangfei Hu, Xu Zhang, Chaoyu Xie, Xuechang Zhang, Jie Shen

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Abstract

The morphology and distribution structure of the reinforcement have a significant effect on the mechanical properties and cutting process of composites. In this paper, two-dimensional tensile and cutting models are established respectively, and the validity of the models is verified by comparing with the cutting force and chip morphology in the experiment. The effects of network reinforcement distribution and particle aspect ratio on the mechanical properties and surface quality of SiCp/Al composites were compared and analyzed. Results show that the aggregation of particles can enhance their continuity, thereby improving their bearing capacity. Network structures and the increase in aspect ratios of particles both can enhance the degree of aggregation of particles, thereby improving their bearing capacity. However, an increase in the degree of aggregation of particles will also lead to an increase in cutting forces and a deterioration in surface quality. The hybrid network structure of particles with different aspect ratios was proposed. Compared with the ellipse particle reinforced network composites model, the network structure with hybrid particles improved the surface quality by 41.7%, while ensures the strengthening effect of the composite material.

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网络增强分布对 SiCp/Al 复合材料机械性能和切削行为的影响

增强体的形态和分布结构对复合材料的力学性能和切削过程有重要影响。本文分别建立了二维拉伸模型和切削模型，并通过与实验中的切削力和切屑形态进行对比，验证了模型的正确性。对比分析了网络增强分布和颗粒长宽比对 SiCp/Al 复合材料力学性能和表面质量的影响。结果表明，颗粒的聚集可以增强其连续性，从而提高其承载能力。网络结构和颗粒纵横比的增加都能提高颗粒的聚集度，从而提高其承载能力。然而，颗粒聚集度的增加也会导致切削力的增加和表面质量的下降。有人提出了不同长径比颗粒的混合网络结构。与椭圆形颗粒增强网络复合材料模型相比，混合颗粒网络结构的表面质量提高了 41.7%，同时确保了复合材料的增强效果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Journal of Material Forming ENGINEERING, MANUFACTURING-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

5.10

自引率

4.20%

发文量

审稿时长

>12 weeks

期刊介绍： The Journal publishes and disseminates original research in the field of material forming. The research should constitute major achievements in the understanding, modeling or simulation of material forming processes. In this respect ‘forming’ implies a deliberate deformation of material. The journal establishes a platform of communication between engineers and scientists, covering all forming processes, including sheet forming, bulk forming, powder forming, forming in near-melt conditions (injection moulding, thixoforming, film blowing etc.), micro-forming, hydro-forming, thermo-forming, incremental forming etc. Other manufacturing technologies like machining and cutting can be included if the focus of the work is on plastic deformations. All materials (metals, ceramics, polymers, composites, glass, wood, fibre reinforced materials, materials in food processing, biomaterials, nano-materials, shape memory alloys etc.) and approaches (micro-macro modelling, thermo-mechanical modelling, numerical simulation including new and advanced numerical strategies, experimental analysis, inverse analysis, model identification, optimization, design and control of forming tools and machines, wear and friction, mechanical behavior and formability of materials etc.) are concerned.