Galvanically-Active In Situ Formed Particles for Controlled Rate Dissolving Tools

  • US 20150299838A1
  • Filed: 04/17/2015
  • Published: 10/22/2015
  • Est. Priority Date: 04/18/2014
  • Status: Active Grant
First Claim
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1. A method of controlling the dissolution properties of a magnesium or a magnesium alloy comprising of the steps of:

  • heating the magnesium or magnesium alloy to a point above its solidus temperature;

    adding an additive material to said magnesium or magnesium alloy while said magnesium or magnesium alloy is above said solidus temperature of magnesium or magnesium alloy to form a mixture, said additive material having a greater melting point temperature than said solidus temperature of said magnesium or magnesium alloy, said additive material constituting about 0.05 wt %-45 wt % of said mixture;

    dispersing said additive material in said mixture while said magnesium or magnesium alloy is above said solidus temperature of magnesium or magnesium alloy; and

    ,cooling said mixture to form a magnesium composite, said magnesium composite including in situ precipitation of galvanically-active intermetallic phases.

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