摘要 |
A cutting structure and drill bit body that includes a plurality of encapsulated particles 38 dispersed in a first matrix material 44, the particles comprising: an abrasive grit 42 encapsulated within a shell 40, wherein the shell comprises a second matrix material different from the first matrix material. A method of forming the above structure by loading a plurality of the encapsulated particles and the first matrix into a mold and heating the encapsulated particles within the first matrix. |