Methods of making flux-coated binder and metal-matrix drill bodies of the same
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United States of America Patent
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Jun 14, 2022
Grant Date -
May 23, 2019
app pub date -
Jan 22, 2019
filing date -
Aug 28, 2014
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Abstract
A method of making a flux-coated binder includes treating metal binder slugs to have an adherent surface, adding a flux powder to the treated metal binder slugs, and distributing the flux powder on the adherent surface of the metal binder slugs. A method of making a metal-matrix composite-based drill bit body includes loading a matrix powder into a bit body mold, loading a flux-coated binder into the mold on top of the matrix powder to form a load assembly, and heating the load assembly to allow the binder to infiltrate into the matrix powder.
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