Nanomatrix powder metal compact
AssigneeBaker Hughes Incorporated
InventorsZhiyue Xu, Gaurav Agrawal
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Abstract
A powder metal compact is disclosed. The powder metal compact includes a substantially-continuous, cellular nanomatrix comprising a nanomatrix material. The compact also includes a plurality of dispersed particles comprising a particle core material that comprises Mg, Al, Zn or Mn, or a combination thereof, dispersed in the nanomatrix and a solid-state bond layer extending throughout the nanomatrix between the dispersed particles. The nanomatrix powder metal compacts are uniquely lightweight, high-strength materials that also provide uniquely selectable and controllable corrosion properties, including very rapid corrosion rates, useful for making a wide variety of degradable or disposable articles, including various downhole tools and components.
Claims27
A powder metal compact, comprising:
- a substantially-continuous, cellular nanomatrix comprising a nanomatrix material;
- a plurality of dispersed particles comprising a particle core material that comprises Mg, Al, Zn or Mn, or a combination thereof, dispersed in the cellular nanomatrix;
- and
- a solid-state bond layer extending throughout the cellular nanomatrix between the dispersed particles, the powder metal compact comprising deformed powder particles formed by compacting powder particles comprising a particle core and at least one coating layer, the coating layers joined by solid-state bonding to form the substantially-continuous, cellular nanomatrix and leave the particle cores as the dispersed particles.
A powder metal compact, comprising:
- a substantially-continuous, cellular nanomatrix comprising a nanomatrix material;
- a plurality of dispersed particles comprising a particle core material that comprises a metal having a standard oxidation potential less than Zn, ceramic, glass, or carbon, or a combination thereof, dispersed in the cellular nanomatrix;
- and
- a solid-state bond layer extending throughout the cellular nanomatrix between the dispersed particles, the powder metal compact comprising deformed powder particles formed by compacting powder particles comprising a particle core and at least one coating layer, the coating layers joined by solid-state bonding to form the substantially-continuous, cellular nanomatrix and leave the particle cores as the dispersed particles.
Dependencies are inferred from the claim text.