Method of making amorphous and ceramics via melt spinning
Assignee3M Innovative Properties Company
InventorsAnatoly Z. Rosenflanz, Ahmet Celikkaya, Thomas J. Anderson
Life of this patent
Estimating the term…
Abstract
Methods of melt spinning to make amorphous and ceramic materials.
Claims19
A method for making ceramic comprising glass, the method comprising:
- contacting a melt with a surface of a rotating substrate such that the melt cools to provide a ceramic comprising glass, the melt comprising at least 35 percent by weight Al2O3, based on the total metal oxide content of the melt, a first metal oxide other than Al2O3, and a second, different metal oxide other than Al2O3, wherein the melt contains not more than 10 percent by weight collectively As2O3, B2O3, GeO2, P2O5, SiO2, TeO2, and V2O5, based on the total metal oxide content of the melt, and does not contain CaO;
- and the glass comprising at least 35 percent by weight Al2O3, based on the total metal oxide content of the glass, the first metal oxide other than Al2O3, and the second, different metal oxide other than Al2O3, wherein the glass contains not more than 10 percent by weight collectively As2O3, B2O3, GeO2, P2O5, SiO2, TeO2, and V2O5, based on the total weight of the glass, and does not contain CaO.
A method for making ceramic comprising glass, the method comprising:
- contacting a melt with a surface of a rotating substrate such that the melt cools to provide a ceramic comprising glass, the melt comprising at least 35 percent by weight Al2O3, based on the total weight of the melt, a first metal oxide other than Al2O3, and a second, different metal oxide other than Al2O3, wherein the Al2O3, first metal oxide, and second metal oxide collectively comprise at least 70 percent by weight of the melt, and wherein the melt contains not more than 30 percent by weight collectively As2O3, B2O3, GeO2, P2O5, SiO2, TeO2, and V2O5, based on the total weight of the melt, and not more than 25 percent by weight CaO, based on the total weight of the melt;
- and the glass comprising at least 35 percent by weight AL2O3, based on the total weight of the glass, the first metal oxide other than Al2O3, and the second, different metal oxide other than Al2O3, wherein the Al2O3, first metal oxide, and second metal oxide collectively comprise at least 70 percent by weight of the glass, and wherein the glass contains not more than 30 percent by weight collectively As2O3, B2O3, GeO2, P2O5, SiO2, TeO2, and V2O5, based on the total weight of the glass, and not more than 25 percent by weight CaO, based on the total weight of the glass;
- wherein the first and second metal oxides are each selected from the group consisting of Y2O3, REO, MgO, TiO2, Cr2O3, CuO, NiO, and Fe2O3.
A method for making a plurality of fibers comprising glass, the method comprising:
- contacting a melt with a surface of a rotating substrate such that the melt cools to provide a plurality of fibers comprising glass, the melt comprising at least 35 percent by weight Al2O3, based on the total weight of the melt, and a first metal oxide other than Al2O3 and a second, different metal oxide other than Al2O3, wherein the melt contains not more than 10 percent by weight collectively As2O3, B2O3, GeO2, P2O5, SiO2, TeO2, and V2O5, based on the total weight of the melt, and does not contain CaO;
- and the glass comprising at least 35 percent by weight Al2O3, based on the total weight of the glass, the first metal oxide other than Al2O3, and the second, different metal oxide other than Al2O3, wherein the glass contains not more than 10 percent by weight collectively As2O3, B2O3, GeO2, P2O5, SiO2, TeO2, and V2O5, based on the total weight of the glass, and does not contain CaO.
A method for making a plurality of fibers comprising glass, the method comprising:
- contacting a melt with a surface of a rotating substrate such that the melt cools to provide a plurality of fibers comprising glass, the melt comprising at least 35 percent by weight Al2O3, based on the total weight of the melt, a first metal oxide other than Al2O3, and a second, different metal oxide other than Al2O3, wherein the Al2O3, first metal oxide, and second metal oxide collectively comprise at least 70 percent by weight of the melt, and wherein the melt contains not more than 30 percent by weight collectively As2O3, B2O3, GeO2, P2O5, SiO2, TeO2, and V2O5, based on the total weight of the melt, and not more than 25 percent by weight CaO, based on the total weight of the melt;
- and the glass comprising at least 35 percent by weight Al2O3, based on the total weight of the glass, the first metal oxide other than Al2O3, and the second, different metal oxide other than Al2O3, wherein the Al2O3, first metal oxide, and second metal oxide collectively comprise at least 70 percent by weight of the glass, and wherein the glass contains not more than 30 percent by weight collectively As2O3, B2O3, GeO2, P2O5, SiO2, TeO2, and V2O5, based on the total weight of the glass, and not more than 25 percent by weight CaO, based on the total weight of the glass;
- wherein the first and second metal oxides are each selected from the group consisting of Y2O3, REO, MgO, TiO2, Cr2O3, CuO, NiO, and Fe2O3.
A method for making glass-ceramic, the method comprising:
- contacting a melt with a surface of a rotating substrate such that the melt cools to provide a ceramic comprising glass, the melt comprising at least 35 percent by weight Al2O3, based on the total weight of the melt, a first metal oxide other than Al2O3, and a second, different metal oxide other than Al2O3, wherein the melt contains not more than 10 percent by weight collectively As2O3, B2O3, GeO2, P2O5, SiO2, TeO2, and V2O, based on the total weight of the melt, and does not contain CaO;
- and the glass comprising at least 35 percent by weight Al2O3, based on the total weight of the glass, the first metal oxide other than Al2O3, and the second, different metal oxide other than Al2O3, wherein the glass contains not more than 10 percent by weight collectively As2O3, B2O3, GeO2, P2O5, SiO2, TeO2, and V2O5, based on the total weight of the glass, and does not contain CaO;
- and
- heat-treating the ceramic comprising glass such that at least a portion of the glass is converted to a glass-ceramic.
A method for making glass-ceramic, the method comprising:
- contacting a melt with a surface of a rotating substrate such that the melt cools to provide a ceramic comprising glass, the melt comprising at least 35 percent by weight Al2O3, based on the total weight of the melt, a first metal oxide other than Al2O3, and a second, different metal oxide other than Al2O3, wherein the Al2O3, first metal oxide, and second metal oxide collectively comprise at least 70 percent by weight of the melt, and wherein the melt contains not more than 30 percent by weight collectively As2O3, B2O3, GeO2, P2O5, SiO2, TeO2, and V2O5, based on the total weight of the melt, and not more than 25 percent by weight CaO, based on the total weight of the melt;
- and the glass comprising at least 35 percent by weight Al2O3, based on the total weight of the glass, the first metal oxide other than Al2O3, and the second, different metal oxide other than Al2O3, wherein the Al2O3, first metal oxide, and second metal oxide collectively comprise at least 70 percent by weight of the glass, and wherein the glass contains not more than 30 percent by weight collectively As2O3, B2O3, GeO2, P2O5, SiO2, TeO2, and V2O5, based on the total weight of the glass, and not more than 25 percent by weight CaO, based on the total weight of the glass, wherein the first and second metal oxides are each selected from the group consisting of Y2O3, REO, MgO, TiO2, Cr2O3, CuO, NiO, and Fe2O3;
- and
- heat-treating the ceramic comprising glass such that at least a portion of the glass is converted to a glass-ceramic.
A method for making a plurality of fibers comprising a glass-ceramic, the method comprising:
- contacting a melt with a surface of a rotating substrate such that the melt cools to provide a plurality of fibers comprising glass, the melt comprising at least 35 percent by weight Al2O3, based on the total weight of the melt, a first metal oxide other than Al2O3, and a second, different metal oxide other than Al2O3, wherein the melt contains not more than 10 percent by weight collectively As2O3, B2O3, GeO2, P2O5, SiO2, TeO2, and V2O5, based on the total weight of the melt, and does not contain CaO;
- the glass comprising at least 35 percent by weight Al2O3, based on the total weight of the glass, the first metal oxide other than Al2O3, and the second, different metal oxide other than Al2O3, wherein the glass contains not more than 10 percent by weight collectively As2O3, B2O3, GeO2, P2O5, SiO2, TeO2, and V2O5, based on the total weight of the glass, and does not contain CaO;
- and
- heat-treating the fibers comprising glass such that at least a portion of the glass is converted to a glass-ceramic.
A method for making a plurality of fibers comprising a glass-ceramic, the method comprising:
- contacting a melt with a surface of a rotating substrate such that the melt cools to provide a plurality of fibers comprising glass, the melt comprising at least 35 percent by weight Al2O3, based on the total weight of the melt, a first metal oxide other than Al2O3, and a second, different metal oxide other than AL2O3, wherein the Al2O3, first metal oxide, and second metal oxide collectively comprise at least 70 percent by weight of the melt, and wherein the melt contains not more than 30 percent by weight collectively As2O3, B2O3, GeO2, P2O5, SiO2, TeO2, and V2O5, based on the total weight of the melt, and not more than 25 percent by weight CaO, based on the total weight of the melt;
- and the glass comprising at least 35 percent by weight Al2O3, based on the total weight of the glass, the first metal oxide other than Al2O3, and the second, different metal oxide other than Al2O3, wherein the Al2O3, first metal oxide, and second metal oxide collectively comprise at least 70 percent by weight of the glass, and wherein the glass contains not more than 30 percent by weight collectively As2O3, B2O3, GeO2, P2O5, SiO2, TeO2, and V2O5, based on the total weight of the glass, and not more than 25 percent by weight CaO, based on the total weight of the glass, wherein the first and second metal oxides are each selected from the group consisting of Y2O3, REO, MgO, TiO2, Cr2O3, CuO, NiO, and Fe2O3;
- and
- heat-treating the glass such that at least a portion of the glass is converted to a glass-ceramic.
Dependencies are inferred from the claim text.