Abel IP

Abrasive Article Including Shaped Abrasive Particles | Publication Date: 6.2.15

Summary:

A shaped abrasive particle including a body comprising a first major surface, a second major surface, and a side surface extending between the first major surface and the second major surface, the body having a Shape Index within a range between at least about 0.48 and not greater than about 0.52 and a content of a magnesium-containing species within a range between at least about 1 wt% and not greater than about 4 wt% based on the total weight of the body. A shaped abrasive particle comprising: a body comprising a first major surface, a second major surface, and a side surface extending between the first major surface and the second major surface, wherein the body comprises a content of a magnesium-containing species within a range between at least about 0.5 wt% and not greater than about 5 wt % based on a total weight of the body, and wherein the body comprises a content of a zirconium-containing species within a range between at least about 1 wt% and not greater than about 5 wt% based on the total weight of the body. A shaped abrasive particle comprising: a body comprising a first major surface, a second major surface, and a side surface extending between the first major surface and the second major surface, wherein the body comprises a substantially triangular two-dimensional shape, a content of a magnesium-containing species within a range between at least about 0.5 wt% and not greater than about 5 wt% based on the total weight of the body, and wherein the body comprises a polycrystalline material including crystalline grains, wherein the average grain size is not greater than about 1 micron.

 

Keywords:

Alumina, Alpha-Alumina, shaped abrasive particle (SAP), SAPS, SAPs, polyhedron, pyramid, ellipsoid, sphere, prism, cylinder, cone, tetrahedron, cube, cuboid, rhomohedron, truncated pyramid, truncated ellipsoid, truncated sphere, truncated cone, pentahedron, hexahedron, heptahedron, aoctahedron, nonahedron, decahedron, Greek alphabet character, Latin alphabet character, Russian alphabet character, volcano shape, monostatic, tip sharpness, sharpness, tip, high tip sharpness, sharpness-shape-strength factor, 3SF, zirconium, zirconium containing species, zirconium-containing species, magnesium, magnesium containing species, magnesium-containing species, bonded abrasive, coated abrasive, fixed abrasive, substrate, wt %, weight percent, grains, crystalline, grain size, average grain size, triangular two dimensional shape, polycrystalline, shape index factor, doping, major surface, first major surface, second major surface, width, height, length, aspect ratio, hi, w, l, fixed, impregnation, implant, implanting, grinding energy, specific grinding energy, lifetime, strength, stress, distribution, gel, boehmite, zirconium basic carbonate (ZBC), supersize, dye, Resin PF Prefere, water, singe grit grinding test (SGGT), axis, flashing, blend, open-coat, closed-coat, particle density, diluent particles, diluents, median particle size, organic material, solvent, pH, acid, base, nitric acid, sulfuric acid, citric acid, chloric acid, tartaric acid, phosphoric acid, ammonium nitrate, ammonium citrate, cavities, tool,  die, screen print, screen printing, mold, drying, dried, water, volatiles, mixture, drying process, humidity, precursor, shaping, curing, reacting, radiating, planarizing, calcining, sintering, sieving, doping, salt, liquid carrier, STIL, Micro Measure 3D Surface Profilometer, Hertzian indentation, axisymmetrical, hafnium, zirconium, niobium, tantalum, molybdenum, vanadium, lithium, sodium, potassium, magnesium, calcium, strontium, barium, scandium, yttrium, lanthanum, cesium, praseodymium, chromium, cobalt, iron, germanium, manganese, nickel, titanium, zinc, grain boundary, grain boundaries, primary phase.

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Method of Using an Abrasive Article Including Shaped Abrasive Particles | Publication Date: 6.2.15

Summary:

A method of removing material from one or more workpieces including moving a coated abrasive article having a plurality of shaped abrasive particles relative to a surface of the one or more workpieces at high material removal rates. A method of removing material from one or more workpieces including moving a coated abrasive article comprising a plurality of shaped abrasive particles relative to a surface of the one or more workpieces at an average material removal rate of at least 6 in3/min/in. A method of conducting a high-speed, high-efficiency grinding operation including removing material from one or more workpieces by moving a coated abrasive article comprising a plurality of shaped abrasive particles relative to a surface of the one or more workpieces at an average material removal rate within a range between at least 6 in3/min/in and not greater than about 25 in3/min/in, wherein removing includes a G-ratio variance for at least two different material removal operations at two different material removal rates within the range of average material removal rates of not greater than about 30%.

Keywords:

Alumina, Alpha-Alumina, shaped abrasive particle (SAP), SAPS, SAPs, polyhedron, pyramid, ellipsoid, sphere, prism, cylinder, cone, tetrahedron, cube, cuboid, rhomohedron, truncated pyramid, truncated ellipsoid, truncated sphere, truncated cone, pentahedron, hexahedron, heptahedron, aoctahedron, nonahedron, decahedron, Greek alphabet character, Latin alphabet character, Russian alphabet character, volcano shape, monostatic, material removal, material removal rate, high material removal rate, average material removal rate, stainless steel, cumulative material removal, cumulative amount of material, hp min/in3, initial material removed, G-ratio, G-ratio variance, length, width, height, aspect ratio, flashing, percent flashing, concave, plane, two-dimensional, body, binder, essentially free of binder, nitrides, oxides, carbides, borides, oxynitrides, diamonds, aluminum oxide, zirconium oxide, titanium oxide, yttrium oxide, chromium oxide, strontium oxide, silicon oxide, seeded, seeded sol-gel, seeded sol gel, batch, first batch, second batch, average particle size, particle color, hardness, friability, toughness, density, specific surface area, surface area, controlled orientation, backing, predetermined rotational orientation, predetermined lateral orientation, predetermined longitudinal orientation, side orientation, side-orientation, coating density, cloth, paper, film, fabric, fleeced fabric, vulcanized fiber, woven material, non-woven material, non woven material, webbing, polymer, resin, phenolic resin, phenolic-latex resin, epoxy resin, polyester resin, urea formaldehyde resin, polyester, polyurethane, polypropylene, epoxy resins, polyurethanes, polyamides, polyacrylates,polymethacrylates, poly vinyl chlorides, polyethylene, polysiloxane, silicones, cellulose acetates, nitrocellulose, natural rubber, starch, shellac, size coat.

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Abrasive Article Including Shaped Abrasive Particles | Publication Date: 6.2.15

Summary:

A shaped abrasive particle comprising: a body comprising a first major surface, a second major surface, and a side surface extending between the first major surface and the second major surface, wherein the body comprises a sharpness-shape-strength factor (3SF) within a range between about 0.7 and about 1.7 and a Shape Index within a range between at least about 0.51 and not greater than about 0.99. A method of making a shaped abrasive particle comprising forming a body of a shaped abrasive comprising at least one of: i) selecting a material having a predetermined strength and forming the body of the shaped abrasive particle with a predetermined tip sharpness and predetermined Shape Index based upon the predetermined strength; ii) selecting a predetermined Shape Index of the body of the shaped abrasive particle and forming the body with the predetermined tip sharpness and the predetermined strength based upon the predetermined Shape Index; and iii) selecting a predetermined tip sharpness of a body of the shaped abrasive particle and forming the body of a shaped abrasive particle with a predetermined Shape Index and a predetermined strength based upon the predetermined tip sharpness. A shaped abrasive particle comprising: a body comprising a first major surface, a second major surface, and a side surface extending between the first major surface and the second major surface, wherein the body comprises an oblique, truncated shape.

 

Keywords:

Alumina, Alpha-Alumina, shaped abrasive particle (SAP), SAPS, SAPs, polyhedron, pyramid, ellipsoid, sphere, prism, cylinder, cone, tetrahedron, cube, cuboid, rhomohedron, truncated pyramid, truncated ellipsoid, truncated sphere, truncated cone, pentahedron, hexahedron, heptahedron, aoctahedron, nonahedron, decahedron, Greek alphabet character, Latin alphabet character, Russian alphabet character, volcano shape, monostatic, tip sharpness, tip-sharpness, strength, strong, high strength, thick, block, blocky, thick shape, thick shaped, major surface, shape index, shaprness-shape-strength, 3SF, side surface, strength, MPa, oblique, truncated, dopant, dopant material, rare earth element, transition metal, alkali element, polycrystalline, crystalline, grains, grain size, average grain size, concave, partially concave, linear section, linear section length, aspect ratio, interior corner, angle, concave shape

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Abrasive Article Including Shaped Abrasive Particles | Publication Date: 6.2.15

Summary:

A shaped abrasive particle including a body comprising a first major surface, a second major surface, and a side surface extending between the first major surface and the second major surface, the body comprising a sharpness-shape-strength factor (3SF) within a range between about 0.7 and about 1.7 and a Shape Index within a range between at least about 0.01 and not greater than about 0.49.  A shaped abrasive particle comprising: a body comprising a first major surface, a second major surface, and a side surface extending between the first major surface and the second major surface, wherein the body comprises a first maximum tip width (Wt1) that defines a maximum width of a first arm of the body, and wherein the first maximum tip width (Wt1) is disposed a distance from a first terminal end of the first arm and between a midpoint of the body and the first terminal end.  A shaped abrasive particle comprising a body comprising a first major surface, a second major surface, and a side surface extending between the first major surface and the second major surface, wherein a first portion of the side surface has a partially-concave shape.

Keywords:

Alumina, Alpha-Alumina, shaped abrasive particle (SAP), SAPS, SAPs, polyhedron, pyramid, ellipsoid, sphere, prism, cylinder, cone, tetrahedron, cube, cuboid, rhomohedron, truncated pyramid, truncated ellipsoid, truncated sphere, truncated cone, pentahedron, hexahedron, heptahedron, aoctahedron, nonahedron, decahedron, Greek alphabet character, Latin alphabet character, Russian alphabet character, volcano shape, monostatic, tip sharpness, tip-sharpness, strength, strong, high strength, thin, thin shape, thin shaped, FLT, major surface, shape index, shaprness-shape-strength, 3SF, side surface, strength, MPa, dopant, dopant material, rare earth element, transition metal, alkali element, polycrystalline, crystalline, grains, grain size, average grain size, concave, partially concave, linear section, linear section length, aspect ratio, interior corner, angle, concave shape

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