Abrasive article and method for forming

Abstract

An abrasive article including a substrate, a first bonding material including metal overlying the substrate, abrasive particles overlying the substrate and coupled to the first bonding material, and a second bonding material including a metal and phosphorus overlying at least a portion of the first bonding material.

What is claimed is: 
     
         1 . An abrasive article comprising:
 a substrate;   a first bonding material comprising metal overlying the substrate;   abrasive particles overlying the substrate and coupled to the first bonding material; and   a second bonding material comprising a metal and phosphorus and overlying at least a portion of the first bonding material,   wherein the first bonding material is a braze, and wherein an average thickness of the second bonding material is at least 10 microns and not greater than 80 microns.   
     
     
         2 . The abrasive article of  claim 1 , wherein the first bonding material is in form of a layer overlying an exterior surface of the substrate. 
     
     
         3 . The abrasive article of  claim 1 , wherein the first bonding material comprises a metal alloy. 
     
     
         4 . The abrasive article of  claim 1 , wherein the first bonding material comprises at least one transition metal element. 
     
     
         5 . The abrasive article of  claim 1 , wherein the first bonding material comprises tin, copper, titanium, silver, tungsten, iron, nickel chrome, or any combination thereof. 
     
     
         6 . The abrasive article of  claim 5 , wherein the first bonding material comprises tin, copper and titanium. 
     
     
         7 . The abrasive article of  claim 1 , wherein the abrasive particles have an average particle size (D50) of at least 500 microns. 
     
     
         8 . The abrasive article of  claim 1 , wherein the abrasive particles comprise an oxide, a carbide, a nitride, boride, diamond, or any combination thereof. 
     
     
         9 . The abrasive article of  claim 1 , wherein the abrasive particles consist essentially of diamond. 
     
     
         10 . The abrasive article of  claim 1 , wherein the second bonding material includes an electroless plated material comprising nickel and phosphorus. 
     
     
         11 . The abrasive article of  claim 1 , wherein a content of phosphorus in the second bonding material is at least 1 wt % and not greater than 10 wt % based on the total weight of the second bonding material. 
     
     
         12 . The abrasive article of  claim 1 , wherein the content of phosphorus is at least 5 wt % and not greater than 9 wt % based on the total weight of the second bonding material. 
     
     
         13 . The abrasive article of  claim 1 , wherein an average thickness of the first bonding material is not greater than 50% of the average particle size (D50) of the abrasive particles. 
     
     
         14 . The abrasive article of  claim 1 , wherein a sum of the average thickness of the first bonding material and of the average thickness of the second bonding material define an average total thickness, and wherein the average total thickness is at least 25% and not greater than 60% of the average particle size of the abrasive particles. 
     
     
         15 . The abrasive article of  claim 1 , wherein the second bonding material is an electroless plated nickel layer having a Vickers hardness of at least 5.80 GPa. 
     
     
         16 . The abrasive article of  claim 6 , wherein the first bonding material comprises a ratio [C(Sn)/C(Cu)] of at least 0.1, wherein C(Sn) is the weight percent of the tin for a total weight of the first bonding material and C(Cu) is the weight percent of copper for a total weight of the first bonding material, wherein the ratio [C(Sn)/C(Cu)] is at least 0.13 and not greater than 1. 
     
     
         17 . The abrasive article of  claim 1 , wherein the first bonding material comprises a filler selected from the group consisting of a particulate, a fiber, an inorganic material, or a combination thereof. 
     
     
         18 . The abrasive article of  claim 17 , wherein the filler comprises a wear resistant particle. 
     
     
         19 . The abrasive article of  claim 17 , wherein the filler comprises a material selected from the group consisting of tungsten, iron, titanium, diamond, a carbide, a nitride, a boride, an oxide, or any combination thereof. 
     
     
         20 . The abrasive article of  claim 17 , wherein the filler comprises an average particle size (D50f) that is less than the average particle size (D50) of the abrasive particles.