Particulate materials and methods of forming same
First Claim
1. A particulate material having a body including a first phase comprising alumina and a second phase comprising phosphorus and a rare earth element, wherein the second phase is substantially uniformly dispersed throughout the body, wherein the second phase comprises grains and the first phase comprises grains, and wherein the grains of the second phase have an average grain size less than an average grain size of the grains of the first phase.
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Abstract
A particulate material having a body including a first phase having at least about 70 wt % alumina for a total weight of the first phase, and a second phase comprising phosphorus, wherein the body includes at least about 0.1 wt % of the second phase for the total weight of the body, and wherein the second phase has an average grain size of not greater than about 1 micron.
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Citations
20 Claims
- 1. A particulate material having a body including a first phase comprising alumina and a second phase comprising phosphorus and a rare earth element, wherein the second phase is substantially uniformly dispersed throughout the body, wherein the second phase comprises grains and the first phase comprises grains, and wherein the grains of the second phase have an average grain size less than an average grain size of the grains of the first phase.
- 14. A particulate material having a body including a first phase comprising alumina and a second phase comprising phosphorus and a rare earth element, wherein the second phase is non-uniformly dispersed throughout the body, and wherein the first phase has an average grain size of not greater than about 10 microns.
Specification