Abstract: An abrasive article can include a body including a bond material, abrasive particles, and a plurality of pores, wherein the bond material can comprise a vitreous material. In one embodiment, an average particle size of the abrasive particles can be between 0.1 microns to 5 microns, and a porosity of the body may be between 40 vol % to 70 vol %, wherein the porosity may define an average pore size (D50) of at least 0.1 microns and not greater than 5 microns.

Abstract: An abrasive article can include a body including a bond material, abrasive particles, and a plurality of pores, wherein the bond material can comprise a vitreous material. In one embodiment, an average particle size of the abrasive particles can be between 0.1 microns to 5 microns, and a porosity of the body may be between 40 vol % to 70 vol %, wherein the porosity may define an average pore size (D50) of at least 0.1 microns and not greater than 5 microns.

Abstract: An abrasive article can include a body including a bond material, abrasive particles, and a plurality of pores, wherein the bond material can comprise a vitreous material. In one embodiment, an average particle size of the abrasive particles can be between 0.1 microns to 5 microns, and a porosity of the body may be between 40 vol % to 70 vol %, wherein the porosity may define an average pore size (D50) of at least 0.1 microns and not greater than 5 microns.

Abstract: An abrasive article including a body having a bond material comprising an inorganic material, abrasive particles contained within the bond materials; and pores contained within the bond material defining a porosity of at least 90 vol % and not greater than 97 vol % for a total volume of the body.

Abstract: An abrasive article including a body having a bond material comprising an inorganic material, abrasive particles contained within the bond materials; and pores contained within the bond material defining a porosity of at least 90 vol % and not greater than 97 vol % for a total volume of the body.

Abstract: This invention relates to a support zone for a hairpin-style ceramic igniter, the support zone comprising AlN and SiC, and preferably alumina.

Abstract: This invention relates to the use of a continuously energized ceramic igniter in providing a "relight" function in stovetop cooking applications.

Abstract: The present invention relates a ceramic igniter comprising:a) a pair of electrically conductive portions, each portion having a first end,b) a hot zone disposed between and in electrical connection with each of the first ends of the electrically conductive portions, the hot zone having an electrical path length of less than 0.5 cm, andc) an electrically non-conductive heat sink material contacting the hot zone.

Abstract: A ceramic igniter comprisesa pair of conductive ends,a hot zone disposed between the conductive ends, the hot zone having a density of at least about 95% of theoretical density and a composition comprising:(a) between about 50 and about 80 vol % of an electrically insulating material selected from the group consisting of aluminum nitride, boron nitride, silicon nitride, and mixtures thereof.(b) between about 10 and about 45 vol % of a semiconductive material selected from the group consisting of silicon carbide and boron carbide, and(c) between about 5 and about 25 vol % of a metallic conductor selected from the group consisting of molybdenum disilicide, tungsten disilicide, titanium nitride, and mixtures thereof, anda support upon which the hot zone is disposed, wherein at least a portion of the hot zone has a thickness of no more than 0.019".

Abstract: A ceramic igniter comprising:a) a pair of electrically conductive portions, each portion having a first end,b) a hot zone disposed between and in electrical connection with each of the first ends of the electrically conductive portions, the hot zone having an electrical path length of less than 0.5 cm, andc) an electrically non-conductive heat sink material contacting the hot zone.

Abstract: A ceramic material comprising:(a) between about 50 and about 80 v/o of an electrically insulating ceramic having a resistivity of at least about 10 E+10 ohm-cm;(b) between about 10 and about 45 v/o of a semiconductive material having a resistivity of between about 1 and about 10 E+8 ohm-cm;(c) between about 5 and about 25 v/o of a metallic conductor having a resistivity of less than about 10 E-2 ohm-cm; and(d) between about 0.5 and about 20 v/o of a resistivity-enhancing compound selected from the group consisting of metallic oxides, metallic oxynitrides, rare earth oxides, rare earth oxynitrides, and mixtures thereof.