Szukana fraza: [Opis = "Standard ceramic abrasive tools are manufactured using glass bonds or mineral resources, in which the microstructure of the bonding bridges cannot be controlled. In this study, a new type of glass\-crystalline bond was used to combine mixed abrasive grains from microcrystalline and monocrystalline corundum into an abrasive tool. The glass\-crystalline bond has a fine crystalline structure \(particle size of the crystalline phase\: 1\-1.5 µm\) and perfectly moistens the abrasive grains. This fact and the generated crystalline phase with a high coefficient of brittle fracture resistance enable the production of tools with a higher porosity and self\-sharpening ability in comparison to grinding wheels with the use of industrial bond, which results in high performance indices with a longer service life."]

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