EP3972772A1 - Elektronenstrahlschweissen von nickelbasis-superlegierungen und vorrichtung - Google Patents
Elektronenstrahlschweissen von nickelbasis-superlegierungen und vorrichtungInfo
- Publication number
- EP3972772A1 EP3972772A1 EP20736578.4A EP20736578A EP3972772A1 EP 3972772 A1 EP3972772 A1 EP 3972772A1 EP 20736578 A EP20736578 A EP 20736578A EP 3972772 A1 EP3972772 A1 EP 3972772A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- components
- joining
- nickel
- component
- electron
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3033—Ni as the principal constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K15/00—Electron-beam welding or cutting
- B23K15/0046—Welding
- B23K15/0093—Welding characterised by the properties of the materials to be welded
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K15/00—Electron-beam welding or cutting
- B23K15/04—Electron-beam welding or cutting for welding annular seams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K15/00—Electron-beam welding or cutting
- B23K15/06—Electron-beam welding or cutting within a vacuum chamber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/0823—Devices involving rotation of the workpiece
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/12—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure
- B23K26/1224—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure in vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
- B23K26/24—Seam welding
- B23K26/28—Seam welding of curved planar seams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/32—Bonding taking account of the properties of the material involved
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/001—Turbines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/18—Dissimilar materials
- B23K2103/26—Alloys of Nickel and Cobalt and Chromium
Definitions
- the invention relates to electron beam welding and a device for two nickel-based alloys.
- the idea relates to the technical welding of components made of high-g ' nickel-based superalloys, in particular turbine blades for the last turbine stage of the next generation of gas turbines or generally of long, thin-walled components. Due to their size, the production of hollow blades by casting is becoming more and more difficult. Due to the thin wall thicknesses at the blade tip and the size of the blade cores during manufacture, casting defects can occur and lead to the turbine blade being scrapped.
- Ni-base or Co-base superalloys that are highly susceptible to hot cracks was previously not possible without the formation of at least small hot cracks.
- Various phenomena, solidification cracks, remelting cracks, cracks due to a drop in toughness or the so-called phase-wise melting are the reason for extremely complex technologies for joining such materials.
- a possible alternative is the production of two blade components by casting, which are joined together.
- a possible alternative is the production of two blade components by casting, which are joined together.
- the object is achieved by a method according to claim 1 and a device according to claim 11.
- the idea is to use casting technology to manufacture two blade components that are joined together using electron beam welding.
- nickel-based superalloys can be joined without cracks at slow travel speeds, in particular from 40mm - 80mm / min and with sheet thicknesses of up to 12mm.
- Such a process can be used to join blade parts to hollow blades.
- the electron beam welding is carried out with a relatively low travel speed of 12 mm / min - 120 mm / min, thereby avoiding crack initiation
- Figure 1 shows schematically a system 1 with a vacuum chamber 3, in which 3 a component 4 to be joined from the compo nents 4 'and 4' 'is or can be arranged as well as an electron gun 7 that emits electron beams 10 or a laser .
- the electron beam gun 7 or the laser can also be arranged outside of the vacuum chamber 3, the beams then being coupled into the vacuum chamber 3.
- a joining zone is preferably heated to 773K to 1273K prior to irradiation or joining.
- the component 4 to be produced is preferably pressed together at both opposite ends 22 ′, 22 ′′ with a force 19 ′, 19 ′′, so that the joining zone 16 is compressed.
- a circumferential weld seam or joint is preferably produced, which is achieved in that the component is rotated about an axis 13 by means of a rotating device.
- the joining zone has a shoulder which has a length of 8 mm to 12 mm.
- FIG. 2 shows the components 4 ′, 4 ′′ to be joined, the component 4 ′ preferably having a projection or shoulder 30 on an inner side 36.
- the electron radiation 10 strikes the opposite surface 33 of the inner surface 36.
- the paragraph 30 is provided on the surface 36 facing away from the electron beam 10.
- the invention can also be applied to laser beams in a vacuum.
- the components (4 ', 4' ') can have the same alloy or different alloys.
- At least one alloying element is more or less present or that at least a proportion of the same alloying element differs by at least 20%.
- Joining zones of different types can also be implemented, for example Alloy247DS / PWA1483, so that turbine blade tips can be repaired with improved resistance to oxidation.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Welding Or Cutting Using Electron Beams (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Laser Beam Processing (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102019210423.1A DE102019210423A1 (de) | 2019-07-15 | 2019-07-15 | Elektronenstrahlschweißen von Nickelbasis-Superlegierungen und Vorrichtung |
PCT/EP2020/066445 WO2021008792A1 (de) | 2019-07-15 | 2020-06-15 | Elektronenstrahlschweissen von nickelbasis-superlegierungen und vorrichtung |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3972772A1 true EP3972772A1 (de) | 2022-03-30 |
Family
ID=71465283
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20736578.4A Withdrawn EP3972772A1 (de) | 2019-07-15 | 2020-06-15 | Elektronenstrahlschweissen von nickelbasis-superlegierungen und vorrichtung |
Country Status (4)
Country | Link |
---|---|
US (1) | US20220281041A1 (de) |
EP (1) | EP3972772A1 (de) |
DE (1) | DE102019210423A1 (de) |
WO (1) | WO2021008792A1 (de) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2055317A (en) * | 1979-08-03 | 1981-03-04 | Rolls Royce | Electron beam welding |
DE3030532A1 (de) * | 1980-08-13 | 1982-03-18 | Brown, Boveri & Cie Ag, 6800 Mannheim | Verfahren zum rissfreien energiestrahlschweissen von warmfesten formteilen |
DE102006042752A1 (de) * | 2006-09-12 | 2008-03-27 | Shw Casting Technologies Gmbh | Verfahren zur Herstellung eines Rohrkörpers für die Weiterbearbeitung zu einer Walze |
EP2047940A1 (de) * | 2007-10-08 | 2009-04-15 | Siemens Aktiengesellschaft | Aufheiztemperatur während Schweißarbeiten |
DE102012201353A1 (de) * | 2012-01-31 | 2013-08-01 | Schaeffler Technologies AG & Co. KG | Verfahren und Vorrichtung zum Verbinden einer Welle mit einem Schaufelrad eines Turboladers |
JP5912659B2 (ja) * | 2012-02-28 | 2016-04-27 | 三菱重工業株式会社 | タービンロータ |
DE112016000660T5 (de) * | 2015-02-09 | 2017-10-19 | Borgwarner Inc. | Verfahren zum Verbinden eines Turboladerturbinenrads mit einer Welle durch Elektronenstrahl- oder Laserschweissen; entsprechendes Turboladerturbinenrad |
-
2019
- 2019-07-15 DE DE102019210423.1A patent/DE102019210423A1/de not_active Withdrawn
-
2020
- 2020-06-15 US US17/625,741 patent/US20220281041A1/en active Pending
- 2020-06-15 WO PCT/EP2020/066445 patent/WO2021008792A1/de unknown
- 2020-06-15 EP EP20736578.4A patent/EP3972772A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
WO2021008792A1 (de) | 2021-01-21 |
DE102019210423A1 (de) | 2021-01-21 |
US20220281041A1 (en) | 2022-09-08 |
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