Influence of Ultrasonic Processing on Nano-Sized Particle Dispersion in Magnesium Matrix Nanocomposites

Shi Ying Liu; Fei Peng Gao; Qiong Yuan Zhang; Wen Zhen Li

doi:10.4028/www.scientific.net/MSF.618-619.433

Paper Titles

Mass Decompounding and Vehicle Lightweighting
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Processing of High Pressure Die Casting Alloys and Engineering Polymers to New Hybrid Metal/Plastic Products in a Combined Process
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Selective Enhancement of Tensile/Compressive Strength and Ductility of AZ31 Magnesium Alloy via Nano-Al₂O₃ Reinforcement Integration Method Alteration
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Nucleation and Growth during Reactions in Accumulative Roll Bonding of Ti/Al Multilayers
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Influence of Ultrasonic Processing on Nano-Sized Particle Dispersion in Magnesium Matrix Nanocomposites
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Effect of Structure Relaxation on the Plastic Deformation Behaviour in a Zr-Based BMG under Indenter
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Influence of SiC Particles on the Grain Refinement of an Mg-Al Alloy
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Mechanical Properties and Microstrutures of Nano-Sized SiC Particles Reinforced AZ91D Nanocomposites Fabricated by High Intensity Ultrasonic Assisted Casting
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On the Creep Resistance of HPDC Mg-RE Based Alloys
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Influence of Ultrasonic Processing on Nano-Sized Particle Dispersion in Magnesium Matrix Nanocomposites

Abstract:

The parameters of ultrasonic processing have important effects on the distribution and dispersion of nano-sized particles in magnesium matrix nanocomposite (MMNC) fabrication. In order to learn more about the above effects and produce guidelines for the fabrication of MMNC, the acoustic cavitation and streaming effects produced by high intensive ultrasonic method with different frequency and power were experimented with water, glycerol, soybean oil and oil-water mixture respectively. The results showed that the acoustic cavitation and streaming were influenced by ultrasonic frequency and power as well as the depth of waveguide dipped into melts. The ultrasonic processing of the MMNC melts with 20kHz and 1.4kW greatly improved the dispersion and distribution of nano-sized reinforcement particles in MMNC.