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Carbon Materials Reinforced aluminum composites:A Review

Acta Metallurgica Sinica(English Letters) 2014年第5期27卷 775-786页

作者： Yu Huang Qiubao Ouyang Di Zhang Jing Zhu Ruixiang Li Hong Yu State Key Laboratory of Metal Matrix composites Shanghai Jiao Tong University Shanghai composites Science and Technique Co. Ltd Shanghai Key Laboratory of Spacecraft Mechanism

Carbon materials, including carbon fibers, graphite, diamond, carbon foams, carbon nanotubes, and graphene, are attractive reinforcements for aluminum matrix composites due to their excellent mechanical and/or physical properties as well as light weight. Carbon materials reinforced aluminum （C/Al） composites are promising materials in many areas such as aerospace, thermal management, and automobile. However, there are still some challenging problems that need to be resolved, such as interfacial reactions, low wettability, and anisotropic properties. These problems have limited the use of these composites. This review mainly focuses on the categories, fabrication processes, existing problems and solutions, coatings and interfaces, challenges and opportunities of C/Al composites so as to provide a useful reference for future research.

关键词： Carbon materials aluminum composites Fabrication Interface Coatings

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Microstructural Characteristics of Underwater Shock Consolidated aluminum composites

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Journal of Materials Science & Technology 2003年第4期19卷 341-345页

作者： K.Raghukandan K.Hokamoto J.S.Lee A.Chiba B.C.Pai Department of Mechanical Engineering and Materials Science Kumamoto UniversityKumamotoJapanShock Wave and Condensed Matter Research Center2-39-1 KurokamiKumamoto UniversityKumamotoJapanGraduate studentGraduate School of Science and TechnologyKumamoto UniversityKumamotoJapanDepartment of Mechanical Engineering and Materials ScienceKumamoto UniversityKumamotoJapanRegional Research LaboratoryThiruvananthapuramKeralaIndia

Metal matrix composites (MMCs) offer extra strength and high temperature capabilities in comparison with unrein-forced metals. aluminum composites possess higher stiffness, strength, fatigue properties and low weight advantages. Carbon fiber reinforced Al composites (Al-Cf) and silicon carbide particulate reinforced Al composites (AI-SiCp) were shock densified using axisymmetric assemblies for underwater explosions. Unidirectional planar shock waves were applied to obtain uniform consolidation of the composites. The energy generator was a high explosive of 6.9 km/s detonation velocity. Irregular morphological powders of Al were the base material. The reinforcement ratio was 15 Vol. pet for Al-Cf composites and 30 Vol. pet for AI-SiCp composites. The microstructural and the strength characteristics of the shock consolidated Al composites are reported.

关键词： Shock consolidation aluminum composites Microstructure Strength characteristics

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Process−microstructure−properties relationship in Al−CNTs−Al2O3 nanocomposites manufactured by hybrid powder metallurgy and microwave sintering process

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Transactions of Nonferrous Metals Society of China 2020年第9期30卷 2339-2354页

作者： Meysam TOOZANDEHJANI Farhad OSTOVAN Khairur Rijal JAMALUDIN Astuty AMRIN Khamirul Amin MATORI Ehsan SHAFIEI Razak Faculty of Technology and Informatics Universiti Teknologi Malaysia Kuala Lumpur54100 Jalan SemarakKuala LumpurMalaysia Department of Material Science and Engineering Islamic Azad UniversityBandar Abbas BranchBandar AbbasHormozganIran Department of Physics Faculty of ScienceUniversiti Putra Malaysia43400SerdangSelangorMalaysia

Al−2CNTs−xAl2O3 nanocomposites were manufactured by a hybrid powder metallurgy and microwave sintering *** correlation between process-induced microstructural features and the material properties including physical and mechanical properties as well as ultrasonic parameters was *** was found that physical properties including densification and physical dimensional changes were closely associated with the morphology and particle size of nanocomposite *** maximum density was obtained by extensive particle refinement at milling time longer than 8 h and Al2O3 content of 10 wt.%.Mechanical properties were controlled by Al2O3 content,dispersion of nano reinforcements and grain *** optimum hardness and strength properties were achieved through incorporation of 10 wt.%Al2O3 and homogenous dispersion of CNTs and Al2O3 nanoparticles(NPs)at 12 h of milling which resulted in the formation of high density of dislocations and extensive grain size *** both longitudinal and shear velocities and attenuation increase linearly by increasing Al2O3 content and milling *** variation of ultrasonic velocity and attenuation was attributed to the degree of dispersion of CNTs and Al2O3 and also less inter-particle spacing in the *** larger Al2O3 content and more homogenous dispersion of CNTs and Al2O3 NPs at longer milling time exerted higher velocity and attenuation of ultrasonic wave.

关键词： hybrid composite aluminum composites powder metallurgy microwave sintering microstructure mechanical properties ultrasonic velocity ultrasonic attenuation

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