Preparation and interfacial behavior of particle-reinforced aluminum matrix composites
Journal Title: China Powder Science and Technology - Year 2024, Vol 30, Issue 4
Abstract
Progress At present， the research on PAMCs mainly includes preparation technologies and interfacial bonding. Different preparation methods exhibit different characteristics and applicability， but no single preparation method has been widely recognized among researchers. The preparation methods and processes of PAMCs are still being explored. The selection of suitable preparation methods and processes must consider the characteristics， requirements， and actual conditions of the matrix and reinforcement materials. Interfacial bonding is an important theoretical basis for developing new materials， devices， and technologies. Studies have shown that the strengthening mechanism of PAMCs largely depends on the interfacial bonding strength between the matrix and the reinforcement. For PAMCs， there are still many problems related to interface structure that need to be solved. The paper offered an overview of the main methods used to fabricate PAMCs， including powder metallurgy， stir casting， in-situ synthesis， spray deposition， extrusion casting， direct oxidation， high-temperature hydrothermal synthesis. It also highlighted the distinctive features and potential applications of these methods. Interfaces of PAMCs were introduced from the aspects of binding modes， binding strength， and interface characterization. It further explored the vital role of interfacial bonding strength in composite performance and explained the three primary interfacial mechanisms： mechanical， physical， and chemical bonding. Additionally， recent research progress in PAMCs was summarized， with a focus on mechanical strength， corrosion resistance， and dimensional stability. Conclusions and Prospects The preparation methods of composite materials have a significant impact on the distribution of reinforcements in the matrix， interfacial bonding， and material performance. The choice of preparation methods should comprehensively consider the required material properties， production costs， and technological feasibility. Interfacial bonding is crucial to the overall performance of PAMCs， and good interfacial bonding can improve the strength and toughness of the material. Over the past few decades， significant progress has been made in composite material preparation technologies， mainly including powder metallurgy， stir casting， spray deposition， and in-situ synthesis. Among these， spray deposition technology produces composites with unique advantages， such as uniform particle distribution and fine grains， and shows great potential for future applications and development. However， to prepare PAMCs with good comprehensive properties and stability， improving the preparation process to achieve high efficiency， low cost， stability， and reliability， as well as enhancing the compatibility between the matrix material and the reinforcement phase and the dispersion of the phase， remains key to solving the preparation challenges. Some breakthroughs have also been made in the study of interfacial bonding. The degree of interfacial reaction hinders the further development of the comprehensive mechanical properties of PAMCs. Controlling the interfacial reaction is one of the main directions for future research. Furthermore， the significant mismatch between the plasticity and strength of PAMCs poses a major challenge to their development. Further progress in PAMCs lies in the meticulous regulation of interfaces and optimization of preparation techniques to fabricate materials with both high strength and satisfactory plasticity. Significance Particle-reinforced aluminum matrix composites （PAMCs） have the advantages of low density and high specific strength. In the field of engineering and technology， PAMCs have attracted significant attention due to their superior mechanical properties and dimensional stability. However， challenges with particle dispersion and interfacial bonding limit further improvement in their properties. To solve these problems in the process of PAMC preparation and bonding， it is necessary to seek more suitable composite preparation processes and interfacial bonding methods. Therefore， this paper focuses on the preparation methods and interfacial bonding of PAMCs.
Authors and Affiliations
Binbin TANG, Siyu FENG, Junyuan DUAN, Fengli LIU
Keywords
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- EP ID EP749271
- DOI 10.13732/j.issn.1008-5548.2024.04.001
- Views 28
- Downloads 0
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