An abrasive article including a substrate made of a wire, abrasive particles affixed to the substrate, the abrasive particles having a first coating layer overlying the abrasive particles, and a second coating layer different than the first coating layer overlying the first coating layer. The abrasi
An abrasive article including a substrate made of a wire, abrasive particles affixed to the substrate, the abrasive particles having a first coating layer overlying the abrasive particles, and a second coating layer different than the first coating layer overlying the first coating layer. The abrasive article further including a bonding layer overlying the substrate and abrasive particles.
대표청구항▼
1. An abrasive article comprising: a substrate comprising a wire;abrasive particles affixed to the substrate, the abrasive particles comprising: a first coating layer overlying the abrasive particles; anda second coating layer different than the first coating layer overlying the first coating layer,
1. An abrasive article comprising: a substrate comprising a wire;abrasive particles affixed to the substrate, the abrasive particles comprising: a first coating layer overlying the abrasive particles; anda second coating layer different than the first coating layer overlying the first coating layer, wherein the second coating layer has a melting point of not greater than about 450° C.; anda bonding layer overlying the substrate and abrasive particles, wherein the bonding layer overlies all of the external surfaces of the abrasive particles and the substrate, andwherein a diffusion bonding region is formed between the second coating layer and the substrate. 2. The abrasive article of claim 1, wherein the substrate comprises an inorganic material. 3. The abrasive article of claim 1, wherein the substrate comprises an elongated member having an aspect ratio of length:width of at least about 10:1. 4. The abrasive article of claim 1, wherein the first coating layer comprises a metal selected from the group of metals consisting of titanium, vanadium, chromium, molybdenum, iron, cobalt, nickel, copper, silver, zinc, manganese, tantalum, tungsten, and a combination thereof. 5. The abrasive article of claim 1, wherein the first coating layer overlies at least about 50% of an exterior surface area of each of the abrasive particles. 6. The abrasive article of claim 1, wherein the first coating layer comprises at least about 5% of the total weight of each of the abrasive particles. 7. The abrasive article of claim 1, wherein the first coating layer comprises an average thickness greater than an average thickness of the second coating layer. 8. The abrasive article of claim 1, wherein the second coating layer comprises a metal alloy of tin and lead. 9. The abrasive article of claim 1, wherein the second coating layer overlies at least about 50% of an exterior surface area of the first coating layer on each of the abrasive particles. 10. The abrasive article of claim 1, wherein the second coating layer comprises at least about 10% of the total weight of each of the abrasive particle and the first coating layer. 11. The abrasive article of claim 1, wherein the second coating layer comprises an average thickness of not greater than about 12 microns. 12. The abrasive article of claim 1, wherein the second coating layer comprises an average thickness of not greater than about 80% of an average particle size of the abrasive particles. 13. The abrasive article of claim 1, wherein the bonding layer directly contacts the second coating layer. 14. The abrasive article of claim 1, wherein the bonding layer comprises a metal selected from the group of metals consisting of lead, silver, copper, zinc, tin, titanium, molybdenum, chromium, iron, manganese, cobalt, niobium, tantalum, tungsten, palladium, platinum, gold, ruthenium, and a combination thereof. 15. The abrasive article of claim 1, wherein the bonding layer comprises an average thickness of at least about 10% and not greater than about 100% of the average particle size of the abrasive particles.
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