ceramic shaped abrasive particles, methods of making the same

us9573250b2 - ceramic shaped abrasive particles, methods of ...

US9573250B2 - Ceramic shaped abrasive particles, methods of ...

The six common edges have substantially the same length. Methods of making the ceramic shaped particle are disclosed. The ceramic shaped abrasive particles are useful for abrading a surface of a workpiece. An abrasive article includes the ceramic shaped abrasive particles retained in a binder.

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ceramic shaped abrasive particles, methods of making the same ...

CERAMIC SHAPED ABRASIVE PARTICLES, METHODS OF MAKING THE SAME ...

A method of making a ceramic shaped abrasive particle, the method comprising: introducing a ceramic precursor dispersion into a cavity of a mold, wherein the cavity has three concave walls that meet at a common vertex; drying the ceramic precursor dispersion and removing it from the cavity to provide a ceramic shaped abrasive particle precursor ...

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elongate shaped abrasive particles, methods of making the ...

ELONGATE SHAPED ABRASIVE PARTICLES, METHODS OF MAKING THE ...

A method of making a plurality of elongate shaped abrasive particles, the method comprising sequential steps: a) providing a mold having a plurality of isolated open-ended grooves disposed on a major surface thereof; b) filling at least a portion of the plurality of isolated open-ended grooves with a molding composition comprising a ceramic ...

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functional abrasive particles, abrasive articles, and methods ...

FUNCTIONAL ABRASIVE PARTICLES, ABRASIVE ARTICLES, AND METHODS ...

What is claimed is: 1. A functional abrasive particle comprising a ceramic body having at least one hole extending therethrough, and a functional material at least partially disposed within the at least one hole, wherein the functional material comprises a first binder retaining a plurality of functional particles that are magnetizable, metallic, or a combination thereof.

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magnetizable abrasive particle and method of making the same ...

Magnetizable Abrasive Particle and Method of Making the Same ...

1. 1-14. (canceled) 15. A method of making magnetizable abrasive particles, the method comprising steps: a) providing ceramic particles, each ceramic particle having a respective outer surface; b) moistening the outer surfaces of the ceramic particles with waterglass to provide moistened ceramic particles; and c) contacting magnetizable particles with the moistened ceramic particles to provide ...

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cn1649802a - ceramic materials, abrasive particles, abrasive ...

CN1649802A - Ceramic materials, abrasive particles, abrasive ...

On the other hand, the invention provides many abrasive particles with regulation nominal level, wherein, at least a portion abrasive particle is the abrasive particle that contains glass-ceramic, contains in this glass-ceramic to account for its gross weight at least 35% (in some embodiments, preferably at least 40%, 45%, 50%, 55%, 60%, 65% or ...

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ep2981378a1 - sintered abrasive particles, method of making ...

EP2981378A1 - Sintered abrasive particles, method of making ...

A method of making sintered abrasive particles includes passing alumina precursor particles through a flame under conditions such that they are converted to alpha alumina. The precursor particles comprise a precursor of alpha alumina and have an average particle size of less than or equal to 500 microns.

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us5201916a - shaped abrasive particles and method of making ...

US5201916A - Shaped abrasive particles and method of making ...

A method of making abrasive particles having a specified shape and abrasive articles containing abrasive particles having a specified shape. The method for preparing such an abrasive particle comprises the steps of: (a) providing a dispersion of comprising particles that can be converted into alpha alumina, preferably particles of alpha alumina monohydrate, in a liquid, which liquid comprises ...

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us5201916a - shaped abrasive particles and method of making ...

US5201916A - Shaped abrasive particles and method of making ...

A method of making abrasive particles having a specified shape and abrasive articles containing abrasive particles having a specified shape. The method for preparing such an abrasive particle comprises the steps of: (a) providing a dispersion of comprising particles that can be converted into alpha alumina, preferably particles of alpha alumina monohydrate, in a liquid, which liquid comprises ...

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cn1649802a - ceramic materials, abrasive particles, abrasive ...

CN1649802A - Ceramic materials, abrasive particles, abrasive ...

On the other hand, the invention provides many abrasive particles with regulation nominal level, wherein, at least a portion abrasive particle is the abrasive particle that contains glass-ceramic, contains in this glass-ceramic to account for its gross weight at least 35% (in some embodiments, preferably at least 40%, 45%, 50%, 55%, 60%, 65% or ...

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shaped abrasive particles and method of making same

Shaped abrasive particles and method of making same

A method of making abrasive particles having a specified shape and abrasive articles containing abrasive particles having a specified shape. The method for preparing such an abrasive particle comprises the steps of: (a) providing a dispersion of comprising particles that can be converted into alpha alumina, preferably particles of alpha alumina monohydrate, in a liquid, which liquid comprises ...

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effect of mixed-shaped silica sol abrasives on surface ...

Effect of mixed-shaped silica sol abrasives on surface ...

At the same time, mixed-shaped silica sol abrasives had a good CMP performance on zirconia ceramic cover. Compared with spherical silica sol abrasives, the MRR of mixed-shaped silica sol abrasives on zirconia ceramic cover increased by 242%. Zirconia ceramic cover can get an ultra-smooth surface with a low Ra of 1.824 nm.

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abrasive | material | britannica

Abrasive | material | Britannica

Abrasive, sharp, hard material used to wear away the surface of softer, less resistant materials. Included within the term are both natural and synthetic substances, ranging from the relatively soft particles used in household cleansers and jeweler’s polish to the hardest known material, the

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nano-scale surface of zro2 ceramics achieved efficiently by ...

Nano-scale surface of ZrO2 ceramics achieved efficiently by ...

Silica particles are peanut-shaped and heart-shaped in the scanning electron microscopy image, and its distinctive morphology provides the possibility of its excellent polishing performance. X-ray photoelectron spectroscopy analysis shows that during the CMP process, silica abrasives and zirconia ceramic undergo a solid phase chemical reaction ...

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precisely shaped particles and method of making the same

Precisely shaped particles and method of making the same

A coated abrasive article comprising:(a) a backing;(b) at least one layer comprising a plurality of precisely shaped abrasive particles that comprise abrasive grits and a free-radically polymerized binder, wherein said precisely shaped particles have vertexes and(c) a bonding medium which serves to adhere said precisely shaped particles to said backing;wherein the precisely shaped particles ...

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us5312789a - abrasive grits formed of ceramic, impregnation ...

US5312789A - Abrasive grits formed of ceramic, impregnation ...

US5312789A US07/976,893 US97689392A US5312789A US 5312789 A US5312789 A US 5312789A US 97689392 A US97689392 A US 97689392A US 5312789 A US5312789 A US 5312789A Authority US Unite

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nano-scale surface of zro2 ceramics achieved efficiently by ...

Nano-scale surface of ZrO2 ceramics achieved efficiently by ...

Silica particles are peanut-shaped and heart-shaped in the scanning electron microscopy image, and its distinctive morphology provides the possibility of its excellent polishing performance. X-ray photoelectron spectroscopy analysis shows that during the CMP process, silica abrasives and zirconia ceramic undergo a solid phase chemical reaction ...

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abrasive particles and methods of making and using the same

Abrasive Particles And Methods Of Making And Using The Same

Abrasive particles comprising ceramic (including glasses, crystalline ceramics, and glass-ceramics) comprising (on a theoretical oxide basis) Al 2 O 3 and at least one other metal oxide (e.g., REO and; REO and at least one of ZrO 2 or HfO 2) and methods of making the same. The abrasive particles can be incorporated into a variety of abrasive ...

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abrasive | material | britannica

Abrasive | material | Britannica

Abrasive, sharp, hard material used to wear away the surface of softer, less resistant materials. Included within the term are both natural and synthetic substances, ranging from the relatively soft particles used in household cleansers and jeweler’s polish to the hardest known material, the

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influence of grit geometry and fibre orientation on the ...

Influence of grit geometry and fibre orientation on the ...

3.1. Single grit scratch test for abrasive shape analysis 3.1.1. Scratch forces. Firstly, the objective was to understand the influence of the grit shape, as its influence in the process is greater. Then, one “optimal” shape has been selected for the subsequent studies.

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abrasive wear by tio2 particles on hard and on low friction ...

Abrasive wear by TiO2 particles on hard and on low friction ...

The test uses a simple mechanical and optical system and involves rotating a hard steel sphere against a specimen in the presence of small abrasive particles. The method has been used to ...

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abrasive blasting - an overview | sciencedirect topics

Abrasive Blasting - an overview | ScienceDirect Topics

A method from applications in the macro world adapted uses a stream of abrasive particles. Ceramic-based particles from alumina or silicon carbide are used. Micro- abrasive blasting is an efficient technique for the low-cost patterning of hard, brittle materials such as glass, silicon, tungsten and ceramics.

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sol–gel abrasive grains: history, precursor properties, and ...

Sol–Gel Abrasive Grains: History, Precursor Properties, and ...

Abrasive grits formed of ceramic containing oxides of aluminum and yttrium, method of making and using the same and products made therewith ... Non-aggregated ceramic particles down to 4 nm in ...

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the effect of particle hardness and shape when abrasive water ...

The effect of particle hardness and shape when abrasive water ...

The shape parameter β and Weibull distribution function of four types of abrasives are derived by the least squares method; moreover, β is found to have a quadratic relation with abrasive hardness.

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sharpening stone -

Sharpening stone -

Sharpening stones, water stones or whetstones are used to sharpen the edges of steel tools and implements through grinding and honing.. Examples of items that can be sharpened with a sharpening stone include scissors, scythes, knives, razors, and tools such as chisels, hand scrapers, and plane blades.

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investigation of abrasiveness property of blast furnace slag ...

Investigation of Abrasiveness Property of Blast Furnace Slag ...

The test samples coated using the TRD method were analyzed with regard to abrasive wear behavior using three different loads (1, 2, and 3 N) and speeds of 40, 80, and 160 rpm in fixed-ball micro ...

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(pdf) effect of pressure and particle size during aluminum ...

(PDF) Effect of Pressure and Particle Size During Aluminum ...

Each air-abrasion method was alternated using 0.05, 0.25 and 0.4MPa pressure. The phase transformation was examined by Raman spectroscopy and surface topography by scanning electron microscope.

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abrasive and polishing agents/ dental courses

Abrasive and polishing agents/ dental courses

DEFINITIONS Abrasion Craig , has defined abrasion as : “A process of wear whereby a hard rough surface ( like a sand paper disk ) or hard irregular shaped particles ( like those in a slurry ) plough grooves in a softer material and cause materials from these grooves to be removed from the surface”.

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