EP2665842A1 - Aussenfassadenblech aus aluminium mit hoher oberflächenrauigkeit - Google Patents
Aussenfassadenblech aus aluminium mit hoher oberflächenrauigkeitInfo
- Publication number
- EP2665842A1 EP2665842A1 EP12708697.3A EP12708697A EP2665842A1 EP 2665842 A1 EP2665842 A1 EP 2665842A1 EP 12708697 A EP12708697 A EP 12708697A EP 2665842 A1 EP2665842 A1 EP 2665842A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sheet
- strip
- facade
- thickness
- roughness
- 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
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 230000003746 surface roughness Effects 0.000 title claims description 5
- 229910052751 metal Inorganic materials 0.000 title abstract description 7
- 239000002184 metal Substances 0.000 title abstract description 7
- 239000004411 aluminium Substances 0.000 title abstract 3
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 238000005253 cladding Methods 0.000 claims description 15
- 238000005097 cold rolling Methods 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 6
- 238000002048 anodisation reaction Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 13
- 239000010959 steel Substances 0.000 abstract description 13
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 238000007743 anodising Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000000763 evoking effect Effects 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Classifications
-
- 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
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/047—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C5/00—Processes for producing special ornamental bodies
- B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
- B44C5/0415—Ornamental plaques, e.g. decorative panels, decorative veneers containing metallic elements
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/16—Pretreatment, e.g. desmutting
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/0871—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements having an ornamental or specially shaped visible surface
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/12—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements of metal or with an outer layer of metal or enameled metal
Definitions
- the invention relates to a Fassendenblech or -band made of aluminum or an aluminum alloy of the type AA 5005 and a process for its preparation.
- Exterior facades of buildings are often clad with brushed steel sheets, which due to their rough
- Aluminum alloy sheets for facades were previously not possible due to the low thicknesses.
- Exterior facades problematic, since in particular problems were observed with a constant surface appearance under the influence of the weather.
- the object of the present invention is to that extent
- a cladding sheet or strip made of aluminum or an aluminum alloy of type AA 5005 in that the cladding sheet has a thickness of more than 2 mm to 4 mm and an average roughness R a of 1 , 2 to 1.7 ⁇ , the mean roughness R z 7 to 12 ⁇ measured according to DIN EN ISO 4287.
- Wind influences preferably sheet metal or strip thicknesses of 2.5 mm to 4 mm are used.
- a cladding sheet or strip with the maximum thickness of 4 mm ensures a significant weight advantage over steel sheets with similar strength, so that elaborate
- the stroke length ie the length of the roll structures pressed in on the sheet or strip
- the stroke length is preferably 6 mm to 15 mm, preferably 8 mm to 12 mm, particularly preferably 10 mm.
- the selected parameters provide the surface of the aluminum alloy strip or sheet with a
- the cladding sheet has an anodized layer with a thickness of 15 ⁇ m to 30 ⁇ m, preferably 18 ⁇ m to 22 ⁇ m or 20 ⁇ m to 25 ⁇ m. It has been shown that the previously applied anodized layers of 10 pm thickness are not sufficient in the
- cladding sheets with an anodized layer with a thickness of 18 to 22 pm are used, a cladding sheet or strip optimized in terms of production costs can be provided while, at the same time, surface appearance on exterior facades remains constant. Also advantageous is an Eloxal harshdicke of more than 20 m to 25 pm, because these ensure at low overhead in production a further improved corrosion protection and thus improved longevity of the cladding especially in high air pollution. Eloxal harshen with more than 30 pm thickness, however, again show a lower
- the Fasssadenbleche or bands are then ideally suited for an external facade.
- the facade sheet can be additionally colored during the anodization, so that even colored optics can be provided.
- the cladding sheet or strip preferably consists of an aluminum alloy of the type AA 5005 with a maximum of 0.30% by weight. Si, at most 0.7 wt.% Fe, at most 0.20 wt.% Cu, at most 0.20 wt.% Mn, 0.50 wt.% To 1.1 wt 0.10% by weight Cr, at most 0.25% by weight Zn and unavoidable
- Façade sheet or strip to be processed.
- the object is achieved by a method comprising the following method steps:
- Roughness R a of 1.2 ⁇ to 1.7 ⁇ produce with a surface roughness R z of 7 to 12 ⁇ on the strip surface.
- the cladding sheet produced from a corresponding strip not only has sufficient strength and lighter weight than a steel sheet, but also a very similar one Surface appearance. It also ensures a very good
- Rolling degree of preferably 20% in the last cold rolling pass.
- the surface structure produced on the belt has a stroke length of 6 to 15 mm, preferably 8 to 12 mm and particularly preferably 10 mm, a surface very similar to the brushed steel can be produced in the belt.
- the last cold rolling pass which has a surface structure having a mean roughness R a of 1.2 ⁇ ⁇ ⁇ ⁇ to 1.7 with an average roughness depth R z of 7 ⁇ to 12 ⁇ generated on the tape surface.
- R a mean roughness
- R z average roughness depth
- the invention is based on
- FIG. 1 is a schematic view of an outer facade of a
- Fig. 3a) b) is a schematic perspective view of the
- Fig. 1 shows in a highly schematic perspective view of an outer facade 1 of a building, which is clad with cladding sheets 2 according to the invention.
- Facade panels consist of an aluminum alloy of the type AA 5005 and have a thickness of more than 2 mm to a maximum of 4 mm, preferably 2.5 to 4 mm in thickness. Due to the sheet thickness and the resulting low weight, the inventive
- Aluminum sheets are easily attached to a facade and also provide sufficient
- the surface of the facade panels 2 is with the
- the surface of the cladding sheet has an average roughness R a of 1.2 ⁇ to 1.7 ⁇ , wherein the roughness R z of 7 ⁇ to 12 ⁇ measured according to DIN EN ISO 4287.
- the stroke length of the roughness structure is 8 mm to 12 mm, preferably the stroke length is 10 mm. Nevertheless, the facade panel 2 is much lighter than a brushed steel sheet. That in Figure 2 in a sectional view
- Facade plate 2 shown has an Eloxal ist of 15 ⁇ to 30 ⁇ , preferably 18 ⁇ to 22 ⁇ on.
- Aluminum alloy sheet is corrosion resistant and
- An improved corrosion protection can be achieved by a preferably 20 ⁇ ⁇ ⁇ to 25 ⁇ thick anodized layer.
- Paint this facade sheet is not necessary because it is extremely corrosion resistant. In addition, it can be colored during the anodization, wherein the color penetrates into the pores remaining in the anodized layer and there
- the facade panel 2 according to the invention is also significantly lighter than a running in steel, brushed facade panel.
- FIGs 3a) and 3b) show in a schematic, perspective view of the work rolls 3, 3 ', 4, 4' of the cold rolling mill of the last cold rolling pass, which bring the surface structure in the aluminum alloy strip 5, 5 'and to a final thickness of more than 2 mm to 4 mm, preferably cold rolled to 2.5 mm to 4 mm.
- FIG. 3 b) only one work roll 3 'has the necessary surface structure for the facade sheet on.
- the sheet thus produced therefore has a clearly visible, provided with the surface structure preferred side for the facade.
- a process-reliable impression of the surface structure in the band is by a
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Finishing Walls (AREA)
- Metal Rolling (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL12708697T PL2665842T3 (pl) | 2011-01-17 | 2012-01-13 | Zewnętrzna blacha elewacyjna z aluminium o wysokiej chropowatości powierzchni |
EP12708697.3A EP2665842B1 (de) | 2011-01-17 | 2012-01-13 | Aussenfassadenblech aus aluminium mit hoher oberflächenrauigkeit |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11151177 | 2011-01-17 | ||
PCT/EP2012/050516 WO2012098060A1 (de) | 2011-01-17 | 2012-01-13 | Aussenfassadenblech aus aluminium mit hoher oberflächenrauigkeit |
EP12708697.3A EP2665842B1 (de) | 2011-01-17 | 2012-01-13 | Aussenfassadenblech aus aluminium mit hoher oberflächenrauigkeit |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2665842A1 true EP2665842A1 (de) | 2013-11-27 |
EP2665842B1 EP2665842B1 (de) | 2014-12-17 |
Family
ID=45833310
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12708697.3A Revoked EP2665842B1 (de) | 2011-01-17 | 2012-01-13 | Aussenfassadenblech aus aluminium mit hoher oberflächenrauigkeit |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP2665842B1 (de) |
DE (1) | DE202012012923U1 (de) |
DK (1) | DK2665842T3 (de) |
ES (1) | ES2533054T3 (de) |
PL (1) | PL2665842T3 (de) |
PT (1) | PT2665842E (de) |
WO (1) | WO2012098060A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2924136B9 (de) * | 2014-03-28 | 2017-04-19 | Amag Rolling GmbH | Verfahren zur Herstellung eines Architekturblechs und Aluminiumblech hierfür |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2965186D1 (en) * | 1978-06-28 | 1983-05-19 | Reynolds Metals Co | Coating system |
US4715901A (en) * | 1983-09-19 | 1987-12-29 | Aluminum Company Of America | Architectural product |
JPH0441003A (ja) * | 1990-06-07 | 1992-02-12 | Furukawa Alum Co Ltd | 外装用アルミニウムまたはアルミニウム合金板とその製造方法 |
EP1166905B1 (de) * | 2000-06-29 | 2005-10-05 | Corus Aluminium N.V. | Verfahren zur Herstellung eines Aluminiumbleches und Aluminiumblech |
-
2012
- 2012-01-13 PT PT12708697T patent/PT2665842E/pt unknown
- 2012-01-13 DE DE202012012923.6U patent/DE202012012923U1/de not_active Expired - Lifetime
- 2012-01-13 WO PCT/EP2012/050516 patent/WO2012098060A1/de active Application Filing
- 2012-01-13 PL PL12708697T patent/PL2665842T3/pl unknown
- 2012-01-13 ES ES12708697.3T patent/ES2533054T3/es active Active
- 2012-01-13 DK DK12708697.3T patent/DK2665842T3/en active
- 2012-01-13 EP EP12708697.3A patent/EP2665842B1/de not_active Revoked
Non-Patent Citations (1)
Title |
---|
See references of WO2012098060A1 * |
Also Published As
Publication number | Publication date |
---|---|
PT2665842E (pt) | 2015-03-30 |
DK2665842T3 (en) | 2015-03-23 |
PL2665842T3 (pl) | 2015-05-29 |
ES2533054T3 (es) | 2015-04-07 |
EP2665842B1 (de) | 2014-12-17 |
DE202012012923U1 (de) | 2014-04-07 |
WO2012098060A1 (de) | 2012-07-26 |
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