EP2534280A1 - Verfahren zur herstellung eines bauteils und ein derartiges bauteil - Google Patents
Verfahren zur herstellung eines bauteils und ein derartiges bauteilInfo
- Publication number
- EP2534280A1 EP2534280A1 EP11711016A EP11711016A EP2534280A1 EP 2534280 A1 EP2534280 A1 EP 2534280A1 EP 11711016 A EP11711016 A EP 11711016A EP 11711016 A EP11711016 A EP 11711016A EP 2534280 A1 EP2534280 A1 EP 2534280A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- layer
- component
- core
- sections
- load
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- 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
- C23C24/00—Coating starting from inorganic powder
- C23C24/02—Coating starting from inorganic powder by application of pressure only
- C23C24/04—Impact or kinetic deposition of particles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
- F01D5/288—Protective coatings for blades
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/23—Sheet including cover or casing
- Y10T428/239—Complete cover or casing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
Definitions
- the invention relates to a method for producing a component and a component produced in this way according to the preamble of patent claim 9.
- Vibration resistance or low brittleness at high hardness Vibration resistance or low brittleness at high hardness.
- the components are made of reinforced metal alloys, which can only be processed by conventional manufacturing processes to a limited extent. Furthermore, it is disadvantageous that most of the entire body of the component consists of this metal alloy, so that individual component areas are not optimized individually depending on the load occurring. Furthermore, the metal alloy is mostly limited to a consideration of structural properties such as fatigue strength and weight. To achieve, for example, a high abrasion resistance or temperature resistance, the component is usually coated with a corresponding protective layer, which is applied in a subsequent and thus further manufacturing process. For example, in US Pat. No. 6,365,222 B1 it is proposed to coat a blade ring of a compressor with a friable protective layer by cold gas spraying.
- a disadvantage of the abovementioned cold gas spraying techniques is that the applied layers only have external properties such as temperature resistance and abrasion resistance of the building partly positively influence. Structural properties such as increasing the fatigue strength are not achievable with the known cold gas spraying. Furthermore, it is disadvantageous that the conventional production methods severely restrict the shape or geometry of the components, which in turn can adversely affect the component properties.
- the object of the present invention is to provide a method for producing a component which eliminates the aforementioned disadvantages and has the individualized component regions adapted to a respective load, and also a component produced in this way with optimized component regions.
- At least one load line of the component is calculated. Then, a core for the component is provided. Subsequently, at least in sections, a layer is applied by cold gas spraying onto the core, wherein at least one layer section is formed in the layer, the material and orientation of which is selected according to the load line.
- the inventive method has the advantage that the component can be optimally dimensioned according to its required properties.
- the core serves virtually only as a substrate or support for the layer, in which due to the different materials and the consideration of the respective load lines, the required properties are integrated.
- component regions with a high fatigue strength can consist of a different material and have a different geometry than component regions with a high temperature resistance.
- a hybrid-like layer is created, which is optimally adapted to the mechanical loads, so that actually conflicting requirements can be optimally combined.
- the provision and attachment of separate structural reinforcement structures is no longer necessary.
- the inventive type of cold spraying technique relatively soft and quasi-organic overflowing transitions between the different materials are created.
- This type of transitions avoids a step formation and thus allows a harmonious load introduction and load distribution in or on the component. Furthermore, it is advantageous that for the construction of the building partly only one manufacturing method, namely the cold gas spraying is used. The application of several different methods is therefore not necessary.
- the layer is applied in different layer thicknesses. This allows a flexible design of the component form or of component regions, regardless of the shape and size of the core.
- the layer thickness can certainly move in the centimeter range, so that, for example, rib-like reinforcing elements arise.
- the production of the layer section can be strip-like in a width corresponding to a coverage distribution of a sprayed jet or by means of a mask that covers the areas on which the material is not to be applied during spraying.
- a plurality of layer sections are applied, the interstices of which are filled at least occasionally with another type of material.
- an optimal load structure is created, whose course corresponds to the load lines, wherein the material in the spaces next to the pure leveling serves to stabilize the layer sections.
- a plurality of layers are applied.
- a cover layer which defines a closed upper or outer surface of the component.
- the component can be subjected to a removing and / or hardening post-processing.
- a component according to the invention has a core which, at least in sections, has a layer applied by cold gas spraying.
- the layer comprises at least one layer section whose material and orientation is selected according to at least one calculated load line.
- Such a component has optimum component properties and can be produced in almost any shape or in any geometry.
- the layer completely surrounds the core, so that the material and the shape of the Kems is almost freely selectable and the core can be performed, for example, weight optimized and / or optimal adhesion conditions for the applied layer has.
- a plurality of layer sections are provided for forming a load structure, which can form dendritic and / or organic structural sections for harmonic load initiation and load transfer.
- the materials differ from at least some structural sections. This allows the materials to be individually adjusted to the loads.
- the core which can be both sheet-like and skeletal or framework-like, can consist of almost any material. In one exemplary embodiment, it consists of a different material or materials than the layer.
- the method according to the invention can also be used when, for example, components have to be marked without negatively influencing their strength properties. Examples are the counterfeit-proof marking of metallic or hybrid components with manufacturer's mark or series marking. Likewise, the inventive method for aesthetic or practical design of everyday objects such as knife cutting and jewelry application can be found.
- FIG. 1 shows a cross section through a first component according to the invention
- FIG. 2 shows a detailed representation of the component from FIG. 1,
- FIG. 3 shows a further detailed representation of the component from FIG. 1,
- FIG. 4 shows a longitudinal section through a second component according to the invention
- Figure 5 shows a cross section through the component of Figure 4,
- FIG. 6 shows a cross section through a third component according to the invention.
- FIG. 1 shows a cross section through a greatly simplified component 2 according to the invention.
- the component 2 has a full-body-like core 4, which is encased by a layer 6.
- the layer 6 was applied by cold gas spraying and, according to the invention, absorbs the actual load on the component 2. It has a nose-like loading structure 8 which extends away from the core 4 and runs along calculated load lines such as stress and force lines.
- the layer 6 is applied in different layer thicknesses and surrounded to form a closed surface 10 by a cover layer 12 with a constant layer thickness, which was also applied by cold gas spraying.
- the layer thicknesses and the materials of the layer 6, the load structure 8 and the cover layer 12 are selected according to the loads to be absorbed and can accordingly vary.
- the core 4 serves primarily as a substrate for the layer 6 and accordingly has a core material which is chosen virtually independent of the loads to be absorbed. Due to the sheathing of the core 4 with the layer 6 or the cover layer 12, its outer contour has in principle no influence on the desired geometry or final contour of the component 2. This is defined exclusively by the layer 6 or the cover layer 12.
- FIG. 2 shows a plan view of a partial region of the component 2 according to the invention in the region of a further loading structure 8, not shown in FIG. 1, which runs along load lines.
- the load structure 8 extends away from the core 4 and has a plurality of layer sections 14 or reinforcing elements, which are applied by cold gas spraying.
- the material of the respective layer section 14 is selected according to the load to be absorbed. Likewise, their geometry corresponds to the expected load and can vary individually.
- a free end portion 16 of the load structure 8 is formed triangular or ramp-like and merges steplessly into the core 4.
- the layer sections 14 define interspaces 18 which are filled with a different material than the layer sections 14 by cold gas spraying.
- the load structure 8 with the filled-in spaces 18, i. the layer 6 is, as explained in Figure 1 of the cover layer 12 to form the closed surface 10 sheathed.
- the layer 6 has in cross-section a multiplicity of approximately oval layered bodies 20 with peripheral projections which, according to the load lines, consist of various NEN materials and are arranged according to the load lines to each other.
- the different materials are represented in FIG. 3 by the different hatchings-strip-like and dotted.
- the laminates 20 Due to the application of the cold gas injection technique according to the invention, the laminates 20 apparently interlock and thereby form relatively soft and organic transitions, which has an advantageous effect on the introduction or absorption and distribution of the load on the component 2.
- 20 air chambers 22 are formed selectively between the laminates depending on the function of each layer area.
- the air chambers 22 can be designed specifically for influencing the damping behavior or the heat transfer, for example.
- FIGS. 4 and 5 show sections through a second component 2 according to the invention.
- This has a discrete load structure 8, which is formed from a multiplicity of rib-like reinforcing elements 26a, 26b or layer sections spaced apart from each other and running parallel to each other.
- the reinforcing elements 26a, 26b have a rectangular cross-section and extend for optimal adjustment of the component 2 with regard to its strength, its vibration behavior and, for example, its temperature behavior along expected or occurring load and force lines.
- the reinforcing elements 26a, 26b are therefore set at an angle ⁇ to the component longitudinal axis. They are applied in layers by cold gas spraying, wherein their width b preferably corresponds to the coverage angle of the sprayed jet. As indicated by the hatching they consist of a different material than the base material or core material of the component 2 and are fully enclosed in the base material or covered by this.
- the material of the reinforcing elements 26a, 26b depends on the expected or occurring loads.
- FIG. 6 shows a cross-section through a third component 2 according to the invention, the load structure 8 of which forms the surface 10 of the component 2 in sections from a multiplicity of rib-like reinforcing elements 26a, 26b or layer sections with a rectangular cross section.
- the reinforcing elements 26 are formed in such a way in the component 2 or integrated in this that a their outer surfaces 28 is exposed and flush merges into the surface 10 of the component 2. Due to the different materials between the base material of the component 2 and the material of the reinforcing elements 26a, 26b, this embodiment is particularly suitable for the formation of the component 2 with zonal surface different hardnesses and / or abrasion resistance.
- the reinforcing elements 26a, 26b may also be made of different materials.
- the load lines of the component 2 are determined as a result of, for example, forces, vibrations or temperatures to be absorbed.
- the core 4 is made of a core material, wherein the core 4 already has such a surface quality that cleaning or corresponding surface treatments are omitted.
- the layer 6 is formed on the core 4 by cold gas spraying.
- the load structure 8 is aligned along the calculated load lines and a material suitable for the respective load is used.
- a spray gun is used with a spray cone which corresponds to the width of the respective layer section 14 or reinforcing element 26a, 26b.
- the interstices 18 between the layer sections 14 are filled with the core material by cold gas spraying.
- the cover layer 12 is sprayed on the layer 6 to form a closed surface 10 consisting of the core material by cold gas spraying.
- the component 2 to achieve a correspondingly resilient end contour of a post-processing in the form of an erosive and / or a solidified process.
- Other methods according to the invention provide a material other than the core material as material for filling in the intermediate spaces 18 or as material for the cover layer 12.
- the choice of the respective material for the filling of the gaps 18 and the cover layer 12 depends in particular on the function to be performed, such as, for example, improvement of damping properties, abrasion resistance or temperature resistance.
- a component comprising a cold spray applied layer having at least one layer portion or reinforcing member whose material and orientation is selected according to a strain line, and a method of manufacturing such a component by cold gas spraying.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Laminated Bodies (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010007526A DE102010007526B3 (de) | 2010-02-11 | 2010-02-11 | Verfahren zur Herstellung eines Bauteils und ein derartiges Bauteil |
| PCT/DE2011/000083 WO2011098065A1 (de) | 2010-02-11 | 2011-01-29 | Verfahren zur herstellung eines bauteils und ein derartiges bauteil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2534280A1 true EP2534280A1 (de) | 2012-12-19 |
| EP2534280B1 EP2534280B1 (de) | 2014-03-19 |
Family
ID=43829100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP11711016.3A Not-in-force EP2534280B1 (de) | 2010-02-11 | 2011-01-29 | Verfahren zur herstellung eines bauteils und ein derartiges bauteil |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8951606B2 (de) |
| EP (1) | EP2534280B1 (de) |
| DE (1) | DE102010007526B3 (de) |
| WO (1) | WO2011098065A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9523547B1 (en) | 2015-07-08 | 2016-12-20 | The United States Of America As Represented By The Secretary Of The Navy | Bore healing mechanism |
| US11781437B2 (en) * | 2021-05-04 | 2023-10-10 | General Electric Company | Cold spray duct for a gas turbine engine |
| DE102021126459A1 (de) | 2021-10-13 | 2023-04-13 | Bayerische Motoren Werke Aktiengesellschaft | Gehäuse für einen elektrischen Antrieb eines Kraftfahrzeugs, Kraftfahrzeug sowie Verfahren |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6365222B1 (en) * | 2000-10-27 | 2002-04-02 | Siemens Westinghouse Power Corporation | Abradable coating applied with cold spray technique |
| US6905728B1 (en) * | 2004-03-22 | 2005-06-14 | Honeywell International, Inc. | Cold gas-dynamic spray repair on gas turbine engine components |
| EP1808508A1 (de) * | 2006-01-17 | 2007-07-18 | Siemens Aktiengesellschaft | Im Strömungskanal einer Strömungsmaschine anzuordnendes Bauteil und Spritzverfahren zum Erzeugen einer Beschichtung |
-
2010
- 2010-02-11 DE DE102010007526A patent/DE102010007526B3/de not_active Expired - Fee Related
-
2011
- 2011-01-29 US US13/577,876 patent/US8951606B2/en not_active Expired - Fee Related
- 2011-01-29 WO PCT/DE2011/000083 patent/WO2011098065A1/de not_active Ceased
- 2011-01-29 EP EP11711016.3A patent/EP2534280B1/de not_active Not-in-force
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2011098065A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2534280B1 (de) | 2014-03-19 |
| US8951606B2 (en) | 2015-02-10 |
| WO2011098065A1 (de) | 2011-08-18 |
| DE102010007526B3 (de) | 2011-05-05 |
| US20130084421A1 (en) | 2013-04-04 |
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