Microstructures of In Situ Synthesized ZrB2/AZ91 Magnesium Matrix Composite Synthesized by a New Method of Direct Melt Reaction

Jiang Jing Wu; Yu Tao Zhao; Song Li Zhang; G. Chen; Xiao Li Xu

doi:10.4028/www.scientific.net/AMR.295-297.1103

Paper Titles

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Air-Water Interfacial Film of Zirconia and its Heat-Treatment
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Effects of Milling Time and Annealing Schedule on Mechanical Activation Synthesis of Brownmillerite Structural Ca₂Fe₂O₅
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Microstructures of In Situ Synthesized ZrB₂/AZ91 Magnesium Matrix Composite Synthesized by a New Method of Direct Melt Reaction
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Effect of Hole Distance and Hole Number on Bubble Behavior during Gas Injection with Multi-Hole Orifices
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Experiment on Treating the Dying Wastewater with Blast-Furnace Ash and Fenton Reagent
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Characterization of Electrochemically Synthesized Pani on Graphite Electrode Use EIS
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Microstructures of In Situ Synthesized ZrB₂/AZ91 Magnesium Matrix Composite Synthesized by a New Method of Direct Melt Reaction

Abstract:

In-situ ZrB₂/AZ91 magnesium matrix composite was successfully synthesized with Al/K₂ZrF₆+NH₄BF₄ by Direct Melt Reaction (DMR). The microstructures of the ZrB₂/AZ91 magnesium matrix composite fabricated by direct melt mixing method were investigated. The results show that the size of ZrB₂ particles is less than 1μm and even reaches to 100nm and the shape, amount and size of the β-Mg₁₇Al₁₂phase in magnesium matrix composite have been greatly changed due to ZrB₂ heterogeneous nuclei.