EP2986925A1 - Procédé de production d'un élément multicouche présentant un revêtement protecteur - Google Patents
Procédé de production d'un élément multicouche présentant un revêtement protecteurInfo
- Publication number
- EP2986925A1 EP2986925A1 EP14715375.3A EP14715375A EP2986925A1 EP 2986925 A1 EP2986925 A1 EP 2986925A1 EP 14715375 A EP14715375 A EP 14715375A EP 2986925 A1 EP2986925 A1 EP 2986925A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- channels
- layer
- architecture
- primary
- coating
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/18—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by applying coatings, e.g. radiation-absorbing, radiation-reflecting; by surface treatment, e.g. polishing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/08—Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
-
- 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
- C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
- C23C10/28—Solid state diffusion of only metal elements or silicon into metallic material surfaces using solids, e.g. powders, pastes
- C23C10/34—Embedding in a powder mixture, i.e. pack cementation
- C23C10/36—Embedding in a powder mixture, i.e. pack cementation only one element being diffused
- C23C10/48—Aluminising
-
- 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
- C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
- C23C10/60—After-treatment
-
- 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
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/02—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition
- C23C18/08—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of metallic material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
- F28D9/0037—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the conduits for the other heat-exchange medium also being formed by paired plates touching each other
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/02—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings
- F28F19/06—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings of metal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/089—Coatings, claddings or bonding layers made from metals or metal alloys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2260/00—Heat exchangers or heat exchange elements having special size, e.g. microstructures
- F28F2260/02—Heat exchangers or heat exchange elements having special size, e.g. microstructures having microchannels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2275/00—Fastening; Joining
- F28F2275/06—Fastening; Joining by welding
- F28F2275/061—Fastening; Joining by welding by diffusion bonding
Definitions
- the present invention relates to the production of a protective coating against corrosion on a multilayer element having channels.
- one solution is to deposit a protective coating on the exposed surfaces in order to achieve in the best case a barrier, or at all less a brake to the phenomenon of corrosion.
- the drawbacks of this technique lie, on the one hand, in the production of tools, which are delicate and expensive in the case of complex surfaces of small dimensions to be masked mechanically, and on the other hand in the risk of absence. coating room (related to imprecision in the positioning of the masking tool or the geometry of the tool itself) or local excess of coating (detrimental to the assembly).
- coating room related to imprecision in the positioning of the masking tool or the geometry of the tool itself
- local excess of coating detrimental to the assembly
- the major difficulty of this technique is its selective implementation selectively on complex surfaces of small dimensions, any imprecision in its application that may lead to a local lack of coating (preferential corrosion site) or a local excess of coating (detrimental to the assembly step).
- a problem is to provide an improved method of coating integrated channels within a multilayer architecture.
- a solution of the present invention is a method for producing an element comprising a multilayer architecture whose layers comprise primary channels on their upper faces, said method comprising the following successive steps:
- each secondary channel 2 being intended to face a primary channel 1 of the adjacent lower layer within the architecture
- each secondary channel 2 being greater than the width of the primary channel 1 which it faces within the architecture.
- Centered on means a centering with a margin of error of less than 0.15 mm.
- secondary channels is meant additional channels located on the opposite side of the layers having primary channels on the surface.
- the method according to the invention makes it possible to dispense with the carrying out of masking in areas with a complex architecture, that is to say in the channels, which is difficult to implement and can generate contamination of the coating. or surfaces to be assembled.
- the purpose of the secondary channels is to provide a complete and homogeneous protection of the entire surface of the channels, without lack of local coating that can generate a preferential site of corrosion.
- the channels will preferably have a semicircular shaped section and the counterchannels will preferably have a half-rectangle shaped section, considering a rectangle cut in the lengthwise direction.
- the coating can be formed by pack-cementation by carrying out a low-activity aluminization from a mixture of a metal powder (N1 2 AI 3 ), a diluent powder (Al 2 O 3 3 ) as well as a powder of an activating agent (such as
- the method may comprise downstream of the assembly step:
- Another possibility is to choose to form a coating by pack cementation by performing a high activity aluminizing from a mixture comprising a metal powder Al, a powder of a diluent (Al 2 O 3 ) and a powder of an activating agent (such as
- said method comprises downstream of the assembly step:
- step (ii) a second step of annealing the element resulting from step (i) at a temperature of between 1000 and 1100 ° C. for a duration of between 4 and 8 hours so as to transform this layer of MAI 3 (fragile) in MAI (desired coating).
- the step of producing the secondary channels may comprise a mechanical or chemical machining.
- the assembly step may be carried out as follows: by diffusion welding, a technique which consists in principle in obtaining from two distinct elements a single homogeneous block by diffusion of solid state material by applying a pressure constant during a heating cycle in a vacuum oven (press furnace).
- the element in question here is preferably a metal alloy element and the coating is preferably an anti-corrosion coating.
- FIG. 2 schematizes the main steps of the method according to the invention: Step (a): forming secondary channels on the lower faces of each layer, each secondary channel being intended to face a primary channel of the neighboring lower layer within the architecture. These secondary channels must be centered on the primary channels of the opposite face and have a width greater than the width of the primary channels to ensure protection of the entire surface of the channel after assembly, including in case of slight defect of positioning the pieces on each other during assembly.
- the present invention also relates to a metal heat exchanger comprising a multilayer architecture each layer comprising primary channels on its upper face, characterized in that:
- each lower face of the layers comprises secondary channels centered on the channels of the adjacent lower layer within the architecture and of width greater than the width of the primary channels, and
- the heat exchanger may have one or more of the following characteristics:
- the thickness of the coating is between 50 and 100 ⁇
- the channels are millimeter channels
- the layers of the architecture have a thickness of between 1.6 and 2 mm.
- the heat exchanger according to the invention will be used for the production of hydrogen.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1353614A FR3004663B1 (fr) | 2013-04-19 | 2013-04-19 | Procede de production d'un element multicouche presentant un revetement protecteur |
| PCT/FR2014/050615 WO2014170570A1 (fr) | 2013-04-19 | 2014-03-17 | Procédé de production d'un élément multicouche présentant un revêtement protecteur |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2986925A1 true EP2986925A1 (fr) | 2016-02-24 |
| EP2986925B1 EP2986925B1 (fr) | 2017-02-22 |
Family
ID=48906304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP14715375.3A Not-in-force EP2986925B1 (fr) | 2013-04-19 | 2014-03-17 | Procédé de production d'un élément multicouche présentant un revêtement protecteur |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9915484B2 (fr) |
| EP (1) | EP2986925B1 (fr) |
| CN (1) | CN105190218B (fr) |
| ES (1) | ES2622162T3 (fr) |
| FR (1) | FR3004663B1 (fr) |
| PT (1) | PT2986925T (fr) |
| WO (1) | WO2014170570A1 (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101780108B1 (ko) * | 2015-06-22 | 2017-09-19 | 두산중공업 주식회사 | 천이 액상 확산 접합을 위한 열 교환기용 플레이트 |
| CN112648867A (zh) * | 2020-11-30 | 2021-04-13 | 合肥通用机械研究院有限公司 | 一种强化传热的一体化扩散焊热交换器 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0044561A3 (fr) * | 1980-07-21 | 1982-07-14 | MüANYAGIPARI KUTATO INTEZET | Echangeur de chaleur, particulièrement pour échange de chaleur entre fluides gazeux |
| DE3709278A1 (de) * | 1987-03-20 | 1988-09-29 | Kernforschungsz Karlsruhe | Verfahren zur herstellung von feinstrukturkoerpern |
| JPH08269753A (ja) * | 1995-03-30 | 1996-10-15 | Kobe Steel Ltd | 耐食性に優れた熱交換器用Al合金部材およびAl合金製熱交換器、それらの製造方法、熱交換器に施される耐食性皮膜の形成方法、並びに熱交換器の使用方法 |
| DE19834238A1 (de) * | 1998-07-29 | 2000-02-10 | Juergen Roeders | Metallisches Bauteil mit zumindest einer innenliegenden, rohrförmigen oder kanalförmigen Ausnehmung sowie Verfahren zu dessen Herstellung |
| JPWO2003001136A1 (ja) * | 2001-06-20 | 2004-10-14 | 昭和電工株式会社 | 冷却板及びその製造方法 |
| GB0124999D0 (en) * | 2001-10-18 | 2001-12-05 | Accentus Plc | Catalytic reactor |
| US20070099013A1 (en) * | 2005-10-27 | 2007-05-03 | General Electric Company | Methods and apparatus for manufacturing a component |
| US20070210037A1 (en) * | 2006-02-24 | 2007-09-13 | Toshifumi Ishida | Cooling block forming electrode |
| JP2008128574A (ja) * | 2006-11-21 | 2008-06-05 | Toshiba Corp | 熱交換器 |
| US8999226B2 (en) * | 2011-08-30 | 2015-04-07 | Siemens Energy, Inc. | Method of forming a thermal barrier coating system with engineered surface roughness |
-
2013
- 2013-04-19 FR FR1353614A patent/FR3004663B1/fr not_active Expired - Fee Related
-
2014
- 2014-03-17 ES ES14715375.3T patent/ES2622162T3/es active Active
- 2014-03-17 US US14/785,451 patent/US9915484B2/en not_active Expired - Fee Related
- 2014-03-17 CN CN201480021430.XA patent/CN105190218B/zh not_active Expired - Fee Related
- 2014-03-17 PT PT147153753T patent/PT2986925T/pt unknown
- 2014-03-17 EP EP14715375.3A patent/EP2986925B1/fr not_active Not-in-force
- 2014-03-17 WO PCT/FR2014/050615 patent/WO2014170570A1/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| PT2986925T (pt) | 2017-04-26 |
| US9915484B2 (en) | 2018-03-13 |
| ES2622162T3 (es) | 2017-07-05 |
| FR3004663B1 (fr) | 2015-04-17 |
| EP2986925B1 (fr) | 2017-02-22 |
| WO2014170570A1 (fr) | 2014-10-23 |
| CN105190218A (zh) | 2015-12-23 |
| FR3004663A1 (fr) | 2014-10-24 |
| CN105190218B (zh) | 2017-12-08 |
| US20160061539A1 (en) | 2016-03-03 |
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Inventor name: SALLAIS, DAMIEN Inventor name: VILASI, MICHEL Inventor name: MATHIEU, STEPHANE Inventor name: WAGNER, MARC Inventor name: DEL-GALLO, PASCAL Inventor name: MAZET, THIERRY Inventor name: PROST, LAURENT |
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