METHOD OF SYNTHESIZING METAL -BASED COMPOSITE MATERIAL BY MELT REACTION IN COUPLING MAGNETIC FIELD AND ULTRASONIC FIELD
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United States of America Patent
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Issued Date -
Oct 13, 2011
app pub date -
Mar 10, 2009
filing date -
Nov 5, 2008
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Abandoned
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Abstract
A method of synthesizing metal matrix composite material by melt reaction in coupling magnetic field and ultrasonic field comprises: adjusting metal-base melt to the onset reaction temperature after refining, then adding reactants which generate reinforced particles by in-situ synthesis reaction with melt, keeping the reacted melt stand until it is cooled to casting temperature after the reaction, and then casting. Magnetic field and high-energy ultrasonic field are exerted simultaneously during the reaction. The magnetic field can be high-power pulse magnetic filed, high-frequency oscillating magnetic field or low-frequency alternating magnetic field. The metal matrix composite material produced by the above-mentioned method exhibits that reinforced particles are much finer, more uniformly distributed, and fit with metal matrix better.
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