# US 2019/0170015 A1 · Management of heat conduction using phononic regions having metallic glass nanostructures > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0170015 A1 - Document ID: US20190170015A1 - Status: Published application - Kind: A1 - Application number: 16/092,474 - Filed: 2016-04-12 - Published: 2019-06-06 - Earliest claimed: 2016-04-12 - Assignees: Siemens Aktiengesellschaft - Applicants: Siemens Aktiengesellschaft - Inventors: Joshua S. McConkey - Web page: https://patentgrep.com/patent/US20190170015A1 ## CPC - F01D 25/12: Cooling - C23C 30/00: Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process (C23C26/00, C23C28/00 take precedence) - F23R 3/002: {Wall structures (F23R3/02 and F23R3/007 take precedence)} - F23R 3/005: {Combined with pressure or heat exchangers} - F05D 2260/204: by the use of microcircuits - F05D 2260/221: Improvement of heat transfer - F05D 2300/5024: Heat conductivity - F05D 2300/6012: Woven fabrics - F05D 2300/6032: Metal matrix composites [MMC] - F05D 2300/6034: Orientation of fibres, weaving, ply angle - F23M 2900/05004: Special materials for walls or lining - Y02T 50/60: Efficient propulsion technologies, e.g. for aircraft - F01D: NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES (machines or engines for liquids F03; non-positive displacement pumps F04D) - C23C: COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL (making metal-coated products by extrusion B21C23/22; covering with metal by connecting pre-existing layers to articles, see the relevant places, e.g. B21D39/00, B23K; metallising of glass C03C; metallising mortars, concrete, artificial stone, ceramics or natural stone C04B41/00; enamelling of, or applying a vitreous layer to, metals C23D; treating metal surfaces or coating of metals by electrolysis or electrophoresis C25D; single-crystal film growth C30B; by metallising textiles D06M11/83; decorating textiles by locally metallising D06Q1/04) - F23R: GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS (fluidised bed combustion apparatus specially adapted for operation at superatmospheric pressures F23C10/16) - F05D: INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS - F23M: CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract A gas turbine engine component formed of material having phononic regions. The phononic regions are formed of metallic glass nanostructures. The phononic regions modify the behavior of the phonons and control heat conduction. ## Claims ### Claim at position 1 1-20. (canceled) ### Claim 21 A gas turbine engine component comprising: a first region of a first material; and a phononic region comprising metallic glass nanostructures within the first material; wherein phononic transmittal of phonons through the first material forms a first phononic wave comprising the phonons; and wherein, upon transmittal of the first phononic wave to the phononic region, the phononic region is configured to modify a behavior of the phonons of the first phononic wave. ### Claim 22 (depends on 21) The gas turbine engine component of claim 21, wherein the first phononic wave has a first property, wherein the phononic region modifies the behavior of the phonons of the first phononic wave to form a second phononic wave having a second property different than the first property of the first phononic wave. ### Claim 23 (depends on 22) The gas turbine engine component of claim 22, wherein the first property and the second property are frequency. ### Claim 24 (depends on 22) The gas turbine engine component of claim 22, wherein the first property and the second property are modes of propagation. ### Claim 25 (depends on 21) The gas turbine engine component of claim 21, wherein the phononic region modifies the behavior of the phonons of the first phononic wave so that the phonons of the first phononic wave change direction of propagation. ### Claim 26 (depends on 21) The gas turbine engine component of claim 21, wherein the phononic region modifies the behavior of the phonons of the first phononic wave so that the phonons of the first phononic wave scatter. ### Claim 27 (depends on 21) The gas turbine engine component of claim 21, wherein the phononic region modifies the behavior of the phonons of the first phononic wave so that the phonons of the first phononic wave are reflected. ### Claim 28 (depends on 21) The gas turbine engine component of claim 21, the phononic region modifies the behavior of the phonons of the first phononic wave so that the phonons of the first phononic wave are refracted. ### Claim 29 (depends on 21) The gas turbine engine component of claim 21, wherein the phononic region modifies the behavior of the phonons of the first phononic wave so that the phonons of the first phononic wave are dissipated. ### Claim 30 (depends on 21) The gas turbine engine component of claim 21, wherein the phononic region comprises a nanomesh of the metallic glass nanostructures. ### Claim 31 (depends on 21) The gas turbine engine component of claim 21, wherein the metallic glass nanostructures comprise a non-crystalline structure. ### Claim 32 (depends on 21) The gas turbine engine component claim 21, wherein the first material and the phononic regions are in the form of adjacent radially extending columns. ### Claim 33 A method for controlling heat conduction in a gas turbine engine comprising: forming a phononic region in a gas turbine engine component within a first region of a first material of a gas turbine engine component, wherein the phononic region comprises metallic glass nanostructures; transmitting phonons through the first material to form a first phononic wave comprising the phonons; transmitting the first phononic wave to the phononic region, and modifying a behavior of the phonons of the first phononic wave in the phononic region to manage heat conduction. ### Claim 34 (depends on 33) The method of claim 33, wherein the first phononic wave has a first property, wherein the phononic region modifies the behavior of the phonons of the first phononic wave to form a second phononic wave having a second property different than the first property of the first phononic wave. ### Claim 35 (depends on 34) The method of claim 34, wherein the first property and the second property are frequency or modes of propagation. ### Claim 36 (depends on 33) The method of claim 33, wherein the modified behavior of the phonons of the first phononic wave is a changed direction of propagation of the phonons of the first phononic wave. ### Claim 37 (depends on 33) The method of claim 33, wherein the modified behavior of the phonons of the first phononic wave is at least one of scattering, reflection, refraction, or dissipation of the phonons of the first phononic wave. ### Claim 38 (depends on 33) The method of claim 33, wherein the metallic glass nanostructures comprise a non-crystalline structure. ### Claim 39 (depends on 33) The method of claim 33, wherein the first material and the phononic regions are in the form of adjacent radially extending columns.