aa6061 -蛋壳粉- y2o3金属基复合材料力学与磨损研究

IF 2.7 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Letters Pub Date : 2025-04-25 DOI:10.1016/j.matlet.2025.138642

Pankaj Beldar, Snehal Kadbhane

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引用次数: 0

摘要

本文研究了以氧化钇（Y2O3）和蛋壳粉（ESP）增强的AA6061-T6金属基复合材料（MMCs）的力学和磨损特性。研究了不同增强量（ESP: 3-6 wt%, Y2O3: 2 wt%）对复合材料抗拉强度（TS）、硬度（HV）、冲击强度、伸长率、磨损率和摩擦系数的影响。实验结果表明，加入增强材料后，其力学性能得到了显著改善。硬度和冲击强度分别提高28.83%和23.33%，抗拉强度最大提高22.58%。观察到延伸率降低了25%，表明脆性增加。磨损率分析显示，ESP和Y2O3的磨损率大幅下降，最低磨损率为2.978 mm3/min，反映出耐磨性的增强，摩擦系数也有所下降，突出了ESP和Y2O3在改善摩擦学性能方面的作用。研究结果证实，ESP和Y2O3的加入提高了AA6061-T6的整体性能，使其成为一种有前景的结构和耐磨材料。

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Mechanical and wear study of AA6061-egg shell powder-Y2O3 metal matrix composite

This work examines the mechanical and wears traits of metal matrix composites (MMCs) based on AA6061-T6 reinforced with yttrium oxide (Y₂O₃) and egg shell powder (ESP). The composites were fabricated with varying reinforcement contents (ESP: 3–6 wt%, Y₂O₃: 2 wt%), and their effects on tensile strength (TS), hardness (HV), impact strength, elongation, wear rate, and friction coefficient were analyzed. Experimental results indicate a significant improvement in mechanical characteristics when reinforcements are added. While hardness and impact strength increased by 28.83 % and 23.33 %, respectively, tensile strength showed a maximum rise of 22.58 %. A reduction in elongation of up to 25 % was observed, indicating increased brittleness. Wear rate analysis demonstrated a substantial decrease with the lowest wear rate recorded at 2.978 mm³/min reflecting enhanced wear resistance, The friction coefficient also decreased, highlighting the role of ESP and Y₂O₃ in improving tribological performance. The findings confirm that the addition of ESP and Y₂O₃ enhances the overall performance of AA6061-T6, making it a promising material for structural and wear-resistant applications.

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来源期刊

Materials Letters 工程技术-材料科学：综合

CiteScore

5.60

自引率

3.30%

发文量

1948

审稿时长

50 days

期刊介绍： Materials Letters has an open access mirror journal Materials Letters: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review. Materials Letters is dedicated to publishing novel, cutting edge reports of broad interest to the materials community. The journal provides a forum for materials scientists and engineers, physicists, and chemists to rapidly communicate on the most important topics in the field of materials. Contributions include, but are not limited to, a variety of topics such as: • Materials - Metals and alloys, amorphous solids, ceramics, composites, polymers, semiconductors • Applications - Structural, opto-electronic, magnetic, medical, MEMS, sensors, smart • Characterization - Analytical, microscopy, scanning probes, nanoscopic, optical, electrical, magnetic, acoustic, spectroscopic, diffraction • Novel Materials - Micro and nanostructures (nanowires, nanotubes, nanoparticles), nanocomposites, thin films, superlattices, quantum dots. • Processing - Crystal growth, thin film processing, sol-gel processing, mechanical processing, assembly, nanocrystalline processing. • Properties - Mechanical, magnetic, optical, electrical, ferroelectric, thermal, interfacial, transport, thermodynamic • Synthesis - Quenching, solid state, solidification, solution synthesis, vapor deposition, high pressure, explosive