Metal-ceramic composite powders
AssigneeThe Curators of the University of Missouri
InventorsLianyi Chen, Minglei Qu
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Abstract
A process for manufacturing metal-ceramic composite material powder comprising ball milling metal powder and ceramic nanoparticles to yield a metal-ceramic composite powder comprising ceramic nanoparticles embedded in a metal matrix powder particles; wherein the ball milling is performed using a ceramic milling media and a milling vessel having a ceramic interior surface. Metal matrix nanocomposite powders comprising ceramic nanoparticles imbedded in metal matrix powder particles; wherein the metal matrix powder particles have a spherical shape; wherein there is uniform distribution the ceramic nanoparticles; wherein the nanocomposite powders have good flowability.
Claims19
A process for manufacturing metal-ceramic composite material powder comprising:
- ball milling a starting metal powder and ceramic nanoparticles to yield a metal-ceramic composite powder comprising ceramic nanoparticles embedded in a metal matrix powder;
- wherein the ball milling is performed using a ceramic milling media and a milling vessel having a ceramic interior surface;
- and
- wherein one of the following conditions is met:
- the ceramic nanoparticles comprise a titanium compound and the ceramic milling media and milling vessel interior surface also comprise a titanium compound;
- the ceramic nanoparticles comprise a zirconium compound and the ceramic milling media and milling vessel interior surface also comprise a zirconium compound;
- or
- the ceramic nanoparticles comprise a niobium compound and the ceramic milling media and milling vessel interior surface also comprise a niobium compound.
A process for manufacturing metal-ceramic composite material powder comprising:
- ball milling a starting metal powder and ceramic nanoparticles to yield a metal-ceramic composite powder comprising ceramic nanoparticles embedded in a metal matrix powder;
- wherein the ball milling is performed using a ceramic milling media and a milling vessel having a ceramic interior surface;
- and
- wherein the starting metal powder is an aluminum alloy and the nanoparticles, milling media, and milling vessel interior surface are TiC.
Dependencies are inferred from the claim text.