Patent ID: 9731384
Date: 2017-08-15
CPC Classifications: B22F,B23K,C22C,E21B

Claim:
1. A method, comprising: disposing a braze material between a cutting element pocket of a bit body and a cutting element to be disposed in the cutting element pocket, wherein the braze material comprises a first composition having a first melting point and a second composition having a second melting point lower than the first melting point; heating the braze material and forming a transient liquid phase; transforming the transient liquid phase to a solid phase having a melting point higher than the second melting point, wherein the solid phase comprises copper, silver, zinc, magnesium, and at least one material selected from the group consisting of nickel, tin, cobalt, iron, phosphorous, indium, lead, antimony, cadmium, and bismuth, and wherein the solid phase comprises about 25% to about 35% zinc by weight; and bonding the cutting element pocket of the bit body to the cutting element with the solid phase.