EP3429792A1 - Method for producing a hot-rolled plated composite material, flat product stack, hot-rolled plated composite material and use thereof - Google Patents
Method for producing a hot-rolled plated composite material, flat product stack, hot-rolled plated composite material and use thereofInfo
- Publication number
- EP3429792A1 EP3429792A1 EP17709620.3A EP17709620A EP3429792A1 EP 3429792 A1 EP3429792 A1 EP 3429792A1 EP 17709620 A EP17709620 A EP 17709620A EP 3429792 A1 EP3429792 A1 EP 3429792A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- flat
- hot
- flat products
- flat product
- products
- 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- Withdrawn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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/04—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of a rolling mill
-
- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/22—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded
- B23K20/227—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded with ferrous layer
-
- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/22—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded
- B23K20/233—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded without ferrous layer
- B23K20/2336—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded without ferrous layer both layers being aluminium
-
- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/24—Preliminary treatment
-
- 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
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel 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
- B23K2103/08—Non-ferrous metals or alloys
- B23K2103/10—Aluminium or alloys thereof
-
- 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
- B23K2103/16—Composite materials, e.g. fibre reinforced
- B23K2103/166—Multilayered materials
Definitions
- the invention relates to a method for producing a hot-rolled plated
- the invention further relates to a flat product package, a corresponding hot-rolled material composite and a corresponding use.
- Lightweight construction is an essential element in reducing vehicle weight. This can be achieved, inter alia, by the use of materials with increased strength. As the strength increases, its bending capacity tends to decrease. In order to ensure the occupant protection required for crash-relevant components despite increased strength to realize lightweight construction, it must be ensured that the materials used convert the energy introduced by a crash by deformation. This requires a high degree of formability, especially in the crash-relevant components of a vehicle structure.
- Material manufactured components eg. B. ball bearings, agricultural blades,
- a first and at least one second flat product are provided, wherein the flat products differ from one another with regard to at least one property.
- the individual flat products are at least partially to produce a flat product package
- the flat product package will be on at least one
- the invention had the object of providing a method for producing a
- the method according to the invention for producing a hot-rolled material composite comprises the following steps:
- the first and / or the second provided flat product has a natural unevenness on at least one of its surfaces and the flat product with the at least one surface with the natural one
- Unevenness is aligned prior to stacking so that this surface is brought into contact with the surface of the other flat product, wherein after the stacking the flat products over their surfaces in some areas in a connecting plane in contact.
- a production-related surface meant, which adjusts in the course of production of the respective flat product on at least one surface, for example with respect to roughness and / or waviness (surface structure) and in these surfaces no action must be taken to to produce flat surfaces, as described in the prior art, for example by means of straightening machines,
- Planers or cutting tools plane, milling, grinding.
- surfaces with natural unevenness can also be adjusted specifically with a surface structure, for example by embossing, in particular with recurring patterns.
- a surface structure for example by embossing, in particular with recurring patterns.
- deliberately trapped trapped air spaces are taken into account when stacking a flat product package which, depending on the type of flat product or flat product thickness, may have a gap between the surfaces of up to 5 mm.
- the flat products are therefore according to the invention only in some areas in a connection level in contact (contact points or contact areas), wherein the remaining area is formed in the connection plane by trapped air spaces.
- Hot rolling start temperature is formed at the prevailing temperatures, a very thin oxide layer of up to 10 ⁇ in the partially enclosed air spaces.
- This oxide layer can not be deformed in the course of hot roll plating, but ruptures as a result of deformation during rolling by elongation of the hot-rolled material composite to be produced and store locally in the form of oxidic particles in the rolling direction and in the width of the rolling stock in the connection region or in the connecting regions between the layers.
- the oxide layer formed or the particles formed can partially suppress diffusion during and / or after rolling.
- Flat product which defines a length, a width and a height, is to be understood as cast slabs, pre-rolled slabs, blooms, slabs or pre-strips, in particular of a steel material.
- Aluminum alloys, nickel-based alloys, titanium alloys or magnesium alloys can also be used as flat products.
- Property is at least the tensile strength, hardness and / or elongation at break of the respective flat product to understand.
- the sum of the areas (length ⁇ width of the flat product) of the flat products in contact corresponds to at least 30%, in particular at least 35%, preferably at least 40%, particularly preferably at least 45% in the connection plane. range way
- At least the mutually associated and to be joined surfaces of the first and / or the second flat product are cleaned so that the oxide layer and other impurities, such as loose contaminants and / or adhesions are removed, the natural Unevenness of the surface, however, is substantially preserved.
- pickling and / or sandblasting are suitable possibilities and in the
- Substantially surface-structure-retaining cleaning processes are preferred.
- the flat products are welded together gas-tight.
- a hot rolling start temperature which may be between 1100 and 1300 ° C
- no exchange or no penetration of furnace atmosphere between the flat products can be done, whereby the hot rolling process negative would be affected, for example, it could come to a strong scale formation with large pieces of tinder.
- rolled according to the invention process to form a cold strip, whereby a thickness of the hot-rolled material composite between 0.2 to 2.5 mm can be produced.
- the invention relates to a flat product package which comprises a first and at least one second flat product, wherein the flat products differ from one another with regard to at least one property, at least one of the surfaces of the flat products assigned to one another and has a natural unevenness and thereby the flat products in some areas in a connecting plane in contact, thereby at least partially
- the invention relates to a hot-rolled plated
- Composite material comprising a first and at least one second layer, wherein the layers differ from each other with regard to at least one property, which are at least partially connected to each other via a connection region, wherein at least partially present in the connection region oxidic particles.
- the particles are present in the compound region with a total surface area of between 0.05% to 20%, for example 0.1% to 10%, in particular 0.3% to 5%.
- a total surface area of between 0.05% to 20%, for example 0.1% to 10%, in particular 0.3% to 5%.
- the hot-rolled material composite is present as a hot strip in the form of a plate or sheet or in the form of a collar and its thickness is ⁇ 26 mm, in particular ⁇ 20 mm, preferably ⁇ 15 mm, particularly preferably ⁇ 10 mm.
- the invention relates to a use of a
- hot-rolled material composite as part or component in areas with wear influences in mechanical or plant engineering, in construction, in vehicle, railway, shipbuilding or aerospace.
- Figure 1 is a flowchart of an embodiment of a
- FIG. 2b shows a partial section through the region marked in FIG. 2a
- FIG. 3 a shows a schematic longitudinal section through an exemplary embodiment of a hot-rolled plate according to the invention
- FIG. 3b) shows a partial section through the region marked in FIG. 3a).
- FIG. 1) shows a flow diagram of an exemplary embodiment of a method according to the invention for producing a hot-rolled material composite. At least two flat products are preferably made of a steel material, which is cuboid in the form of cast slabs, pre-rolled slabs,
- Vorblöcken, Vorplatten or Vorb are provided, wherein the flat products with respect to at least one property (tensile strength, hardness and / or elongation at break) differ from each other [step A].
- the first and / or the second provided flat product has, on at least one of its surfaces, a natural unevenness which is intended to be connected to another surface of a flat product, which may also be a natural surface, in the course of hot-roll plating.
- the surface with natural unevenness may, due to its production, adjust with a surface structure (roughness and / or waviness) and has no plane surface.
- the surfaces with natural unevenness can also be adjusted specifically with a surface structure.
- Flat product are cleaned to the formed on the surface, for example, during storage of the flat products rust layer and possibly further on the
- the first and at least the second flat product are stacked on top of each other, wherein the first and / or the second flat product with the at least one surface with the natural unevenness in front of the
- the individual flat products are at least partially welded together to produce a flat product package.
- the flat products are gas-tight welded together to prevent replacement or penetration of furnace atmosphere in a subsequent heating of the flat product package between the flat products [step D].
- the flat product package is heated or thoroughly heated to at least one hot rolling start temperature, for example in a walking beam oven at, for example, temperatures between 1100 and 1300 ° C. [step E]. Since the flat products only in some areas in a connection level in contact (contact points or
- Connecting areas between layers can be prevented.
- the hot strip is either cut to plates or sheets [step G] or wound into a bundle [step G '] and the
- the hot strip can be rolled to cold strip if required.
- FIG. 2a an embodiment of a flat product package (1) according to the invention is shown in a schematic, perspective view, wherein the Flat product package (1), for example, after the aforementioned process steps [A] - [D] was prepared.
- the flat product package (1) consists of three flat products (2, 3, 4).
- the flat product (3) is, for example, a slab with a thickness of 220 mm made of, for example, a ductile steel material with a C content of less than 0.15% by weight and acts as the core of the flat product package (1).
- the flat products (2, 4) are gas-tightly welded to one another via a welded connection (5), wherein the welded connection (5) can also comprise a plurality of weld seams.
- a welded connection (5) can also comprise a plurality of weld seams.
- the sum of the areas of the areawise contact (K) standing flat products (2, 3) corresponds to at least 30%, in particular at least 35%, preferably at least 40%, particularly preferably at least 45% in the
- connection plane (V) and the enclosed air spaces (L) between the flat products (2, 3) occupy an area in total of at least 20%, in particular at least 25%, preferably at least 30%, particularly preferably at least 35% in the connection plane ( V).
- the trapped air spaces (L) in some areas have a gap (S) between the surfaces (0 2 , 0 3 ) of up to 5 mm.
- the mutually associated and to be joined surfaces of the flat products (3, 4) also each have a natural unevenness and correspond in the
- the flat products (2, 3, 4) can also have other thicknesses, in particular also other thickness ratios.
- an asymmetric structure is conceivable.
- the flat product package can be customized.
- a heat treatable steel material having a C content of over 0.2 wt .-% as a core and two steel materials, each having a C content of less than 0.15 wt .-% are used as conditions for the construction of the flat product package.
- FIG. 3a an embodiment of a hot-rolled material composite according to the invention () is shown in a schematic longitudinal section.
- the flat product package (1) with the individual flat products (2, 3, 4) shown in FIG. 2a) was heated, cf.
- the roll-bonded material composite () further comprises substantially three layers (2 ', 3', 4 '). The result of the warming
- Hot roll plating to be deformed, but ruptures due to the pressure caused by rolling in conjunction with a reduction in thickness and associated elongation of the produced hot rolled material composite and stored in the form of oxidic particles (P) locally in the rolling direction and locally in the width of the rolling stock Connecting portions (V) between the layers (2 ', 3') and (3 ', 4'), as shown in the enlarged section in Fig. 3b).
- Hot roll-clad composite materials () according to the invention can be used everywhere in the areas in which lightweight construction is used, for example in the automotive, railway, shipbuilding or aerospace industries. It is also possible to use it in areas subject to wear, in the construction sector, in plant engineering or mechanical engineering.
- the invention is not limited to the embodiments shown in the drawings and to the statements in the general description, but in addition to plate-shaped or slightly deformed, such as deep-drawn semi-finished and closed profiles with, for example, a circular Cross section of hot rolled-plated material composites according to the invention are produced, so that even areas with abrasive acting media management, such as pipes for liquid concrete extraction, etc. can be operated accordingly.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016204567.9A DE102016204567A1 (en) | 2016-03-18 | 2016-03-18 | Method for producing a hot-rolled material composite, flat product package, hot-rolled material composite and its use |
PCT/EP2017/054913 WO2017157681A1 (en) | 2016-03-18 | 2017-03-02 | Method for producing a hot-rolled plated composite material, flat product stack, hot-rolled plated composite material and use thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3429792A1 true EP3429792A1 (en) | 2019-01-23 |
Family
ID=58264490
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17709620.3A Withdrawn EP3429792A1 (en) | 2016-03-18 | 2017-03-02 | Method for producing a hot-rolled plated composite material, flat product stack, hot-rolled plated composite material and use thereof |
Country Status (7)
Country | Link |
---|---|
US (1) | US10780520B2 (en) |
EP (1) | EP3429792A1 (en) |
JP (1) | JP2019509900A (en) |
KR (1) | KR20180125525A (en) |
CN (1) | CN108883491A (en) |
DE (1) | DE102016204567A1 (en) |
WO (1) | WO2017157681A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017208251A1 (en) | 2017-05-16 | 2018-11-22 | Thyssenkrupp Ag | Safety steel or wear-resistant steel and use |
DE102017208252A1 (en) | 2017-05-16 | 2018-11-22 | Thyssenkrupp Ag | Three-layer wear steel or safety steel, method of making a component and use |
JP2021505761A (en) * | 2017-12-05 | 2021-02-18 | ティッセンクルップ スチール ヨーロッパ アクチェンゲゼルシャフトThyssenKrupp Steel Europe AG | Steel composites, methods for manufacturing parts, and uses |
DE102017223164B3 (en) | 2017-12-19 | 2019-03-14 | Volkswagen Aktiengesellschaft | Device and method for producing a hot-formed and press-hardened sheet steel component |
WO2020064135A1 (en) | 2018-09-28 | 2020-04-02 | Thyssenkrupp Steel Europe Ag | Ballastic steel or wear-resistant steel and method for producing a structural component |
DE102020103831A1 (en) | 2020-02-13 | 2021-08-19 | Benteler Automobiltechnik Gmbh | Method for producing a steel component and a steel component |
KR102374546B1 (en) * | 2020-12-21 | 2022-03-14 | 재단법인 포항산업과학연구원 | Pack for rolling sheet and pack rolling method for sheet |
Family Cites Families (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2395878A (en) * | 1942-01-22 | 1946-03-05 | Supperior Steel Corp | Method of making bimetallic billets |
US3150436A (en) * | 1962-03-19 | 1964-09-29 | Lukens Steel Co | Fabrication of solid sheet packs |
US3331121A (en) * | 1964-12-29 | 1967-07-18 | Du Pont | Rolling explosion-bonded titanium clads |
US3381365A (en) * | 1965-06-18 | 1968-05-07 | Olin Mathieson | Process for obtaining a composite article |
GB1178535A (en) * | 1966-08-11 | 1970-01-21 | Imp Metal Ind Kynoch Ltd | Methods of Pressure-Welding Together Layers of Metal |
US3496625A (en) * | 1968-01-16 | 1970-02-24 | Olin Mathieson | Composite metal article |
US3971120A (en) * | 1974-12-23 | 1976-07-27 | Ferro Corporation | Direct-on ceramic coating of carbon-rich iron |
US4141482A (en) * | 1977-04-25 | 1979-02-27 | Reynolds Metals Company | Laminated compacted particle aluminum sheet |
AT359810B (en) | 1978-03-14 | 1980-12-10 | Voest Alpine Ag | METHOD FOR PRODUCING PLATED SHEETS |
US4638939A (en) * | 1983-06-04 | 1987-01-27 | Nippon Steel Corporation | Method for producing a clad plate by rolling |
DE3334355C1 (en) * | 1983-09-20 | 1985-05-02 | Schweizerische Aluminium Ag, Chippis | Process for producing clad strips and its application and device for producing such strips |
JPS61108483A (en) * | 1984-10-30 | 1986-05-27 | Nippon Kokan Kk <Nkk> | Manufacture of titanium clad steel by hot rolling |
DE3664588D1 (en) * | 1985-04-05 | 1989-08-31 | Nippon Steel Corp | Method for producing a clad plate by hot-rolling |
JPS6356373A (en) * | 1986-08-26 | 1988-03-10 | Nippon Kokan Kk <Nkk> | Manufacture of clad steel sheet |
US5579988A (en) * | 1995-06-09 | 1996-12-03 | Rmi Titanium Company | Clad reactive metal plate product and process for producing the same |
ATE390979T1 (en) * | 1998-01-29 | 2008-04-15 | Clad Metals Llc | METHOD FOR CONNECTING DIFFERENT METALLIC MATERIALS |
US6427904B1 (en) | 1999-01-29 | 2002-08-06 | Clad Metals Llc | Bonding of dissimilar metals |
CN1305635C (en) * | 2001-12-20 | 2007-03-21 | 王荣根 | Process for producing composite metal plate of high speed steel and low carbon steel |
US8387228B2 (en) * | 2004-06-10 | 2013-03-05 | Ati Properties, Inc. | Clad alloy substrates and method for making same |
DE102005006606B3 (en) | 2005-02-11 | 2006-03-16 | Thyssenkrupp Steel Ag | Production of roll-plated hot roll strip, involves having rectangular plates produced from steel and placed on top of each other with surfaces of plates treated before being placed on top of each other |
CN101585838B (en) | 2009-06-15 | 2011-07-20 | 西南大学 | Matrine sodium sulfonate and preparation method |
DE102010036944B4 (en) * | 2010-08-11 | 2013-01-03 | Thyssenkrupp Steel Europe Ag | Method for producing a multilayer composite material |
CN102009332A (en) | 2010-09-15 | 2011-04-13 | 北京科技大学 | Method for producing super-thick plate by packrolling welding process |
DE102012008816A1 (en) * | 2012-05-07 | 2013-11-07 | Bernhard STUTH | Process for producing a metallic layer composite, in particular band-shaped layer composite |
WO2015151739A1 (en) * | 2014-03-31 | 2015-10-08 | 株式会社Uacj | Aluminum clad material manufacturing method |
DE102014116949A1 (en) * | 2014-11-19 | 2016-05-19 | Thyssenkrupp Ag | Method for producing a composite material |
DE102015102961A1 (en) * | 2015-03-02 | 2016-09-08 | Thyssenkrupp Ag | Method for producing a material composite and provisional composite |
KR101751525B1 (en) * | 2015-12-24 | 2017-07-11 | 주식회사 포스코 | Grain oriented electrical steel sheet and method for manufacturing the same |
WO2017181178A1 (en) * | 2016-04-15 | 2017-10-19 | Ems Engineered Material Solutions, Llc | Clad material for electrical terminal connectors and the method of making the same |
-
2016
- 2016-03-18 DE DE102016204567.9A patent/DE102016204567A1/en not_active Withdrawn
-
2017
- 2017-03-02 US US16/085,034 patent/US10780520B2/en active Active
- 2017-03-02 EP EP17709620.3A patent/EP3429792A1/en not_active Withdrawn
- 2017-03-02 CN CN201780018261.8A patent/CN108883491A/en active Pending
- 2017-03-02 KR KR1020187029742A patent/KR20180125525A/en unknown
- 2017-03-02 JP JP2018548362A patent/JP2019509900A/en not_active Withdrawn
- 2017-03-02 WO PCT/EP2017/054913 patent/WO2017157681A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
CN108883491A (en) | 2018-11-23 |
JP2019509900A (en) | 2019-04-11 |
US10780520B2 (en) | 2020-09-22 |
WO2017157681A1 (en) | 2017-09-21 |
KR20180125525A (en) | 2018-11-23 |
DE102016204567A1 (en) | 2017-09-21 |
US20190084076A1 (en) | 2019-03-21 |
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