EP2817429A1 - Aushärtbare aluminiumlegierung und verfahren zur verbesserung der warmaushärtungsfähigkeit eines halbzeugs oder endprodukts - Google Patents
Aushärtbare aluminiumlegierung und verfahren zur verbesserung der warmaushärtungsfähigkeit eines halbzeugs oder endproduktsInfo
- Publication number
- EP2817429A1 EP2817429A1 EP13708374.7A EP13708374A EP2817429A1 EP 2817429 A1 EP2817429 A1 EP 2817429A1 EP 13708374 A EP13708374 A EP 13708374A EP 2817429 A1 EP2817429 A1 EP 2817429A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- aluminum alloy
- less
- vacancies
- curing
- atomic ppm
- 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.)
- Pending
Links
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
- C22F1/053—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 zinc as the next major constituent
-
- 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
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
- C22C21/04—Modified aluminium-silicon alloys
-
- 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
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
-
- 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
- C22C21/10—Alloys based on aluminium with zinc as the next major constituent
-
- 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
-
- 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
-
- 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
- C22F1/05—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 of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/004—Dispersions; Precipitations
Definitions
- a curable aluminum alloy and a process for improving the thermosetting ability of a semifinished product or final product A curable aluminum alloy and a process for improving the thermosetting ability of a semifinished product or final product
- the invention relates to an aluminum alloy and a method for improving the thermosetting ability of a semifinished product or final product comprising a hardenable aluminum alloy based on Al-Mg-Si, Al-Zn, Al-Zn-Mg or Al-Si-Mg the aluminum alloy is quenched into a solid solution state, in particular by solution annealing, and subsequently forms precipitates by cold curing, the process comprising at least one measure for reducing a negative effect of cold curing the aluminum alloy on its thermosetting.
- a measure for reducing the negative effect comprises adding at least one alloying element which can be treaded in correlation with buried voids to the aluminum alloy with a fraction of less than 500, in particular less than 200, atomic ppm in the aluminum alloy , which increases the number of vacancies that are correlated with precipitates at the onset of a hot cure to reduce the negative effect of cold curing the aluminum alloy on its further thermosetting by mobilizing these uncorrelated voids.
- a measure for the reduction of the negative effect comprises adding at least one aluminum alloy alloying element which can be passed in correlation with buried voids, in particular less than 500 atomic ppm, thereby reducing the number of precipitates at the beginning of hot curing Increased correlated vacancies, an aluminum alloy can be created that allows not affected by cold precipitation, or at least to a lesser extent mobilization of vacancies in the crystal lattice. This can be used according to the invention to reduce the negative effect of cold curing of the aluminum alloy on its further hot curing by these un correlated vacancies are mobilized.
- the age hardening ability of Al-Mg-Si, Al-Zn, Al-Zn-Mg or Al-Si-Mg based aluminum alloys, especially 6xxx alloys, can be achieved even if not immediately after Quenching of the aluminum alloy is started with the aging process.
- the addition of the blank-active alloying element or the blank-active alloying elements is procedurally easy to solve or even manageable by these are added, for example, to the solid solution of the aluminum alloy. Complex heat treatment processes, as known from the prior art, can thus be dispensed with, which can not least lead to a considerable cost advantage. In general, it should be mentioned that under semifinished product or end product sheets, plates, castings, etc. can be understood.
- this method also provides advantages in terms of reduced quench sensitivity from the solution annealing temperature, an increase in mechanical properties (eg, fracture toughness), improved corrosion resistance, and possible prolongation of storage time at room temperature.
- the content of this blank-active alloying element or of these blank-active alloying elements is preferably to be limited to a small extent so as not to impair the re-mobilizability of the vacancies on account of other possibly forming precipitation structures. Thus, for example, an addition of less than 200 atomic ppm could already be detected as sufficient.
- Al-Mg-Si-based aluminum alloy may be a 6xxx series wrought alloy, that is, magnesium and silicon as main alloying elements.
- - Al-Mg-Si (Cu) -Knet- or casting alloy can be counted to an aluminum alloy based on Al-Mg-Si.
- - Al-Si-Mg based aluminum alloy may be a cast alloy of the 4xxxx alloy series (EN AC-4xxxx).
- a wrought alloy of the 7xxx alloy series i. H. with zinc as the main alloying element, or even a casting alloy of the 7xxxx series (EN AC-7xxxx), d. H. with zinc as the main alloying element, can act.
- Knet- or casting alloy can be counted to an aluminum alloy based on Al-Zn-Mg.
- the cold curing of the aluminum alloy can be hindered, which can be used particularly advantageously with an aluminum alloy of 6xxx Knetleg réelles Herbert or 4xxxx casting alloy series.
- the added alloying element is from 10 to less than 400 atomic ppm in the aluminum alloy.
- the added alloying element is from 10 to less than 400 atomic ppm in the aluminum alloy.
- an addition of more than 20 to less than 200 atomic ppm has already been found to be sufficient.
- the alloying elements added make up a total content of less than 500, in particular less than 400, atomic ppm in the aluminum alloy, a comparatively easy-to-handle limitation of the alloy alloy content can be achieved. th or trace elements specified and thus the reproducibility of the process can be increased.
- the solubility of the added alloying element in particular Sn, can be significantly improved.
- the safety of an unhindered in terms of hardenability and curing kinetics thermal aging can be increased.
- At least one alloying element in particular Sn, Cd, Sb and / or In, which can be treaded in correlation with buried voids of an aluminum alloy, is present as an additive with a content in the aluminum alloy of less than 500, in particular less than 200 , Atomic ppm to a hardenable aluminum alloy, particularly on Al-Mg-Si, Al-Zn, Al-Zn-Mg or Al-Si-Mg base, for increasing the number of precipitates uncorrelated at the onset of a hot cure Spaces is used to reduce the negative effect of cold curing the aluminum alloy on its further thermosetting by mobilizing these uncorrelated voids.
- At least one alloying element in particular Sn, Cd, Sb and / or In which can be passed in correlation with buried vacancies of an aluminum alloy, in particular reduces its mobility in the crystal lattice, as an additive to a hardenable aluminum alloy for reducing the annihilation of Blank spaces used in a hot curing.
- This may be particularly advantageous for Al-Mg-Si, Al-Zn, Al-Zn-Mg or Al-Si-Mg based aluminum alloys.
- the residence time of the vacancies in the crystal lattice can be significantly increased and yet such a high degree of mobility can be ensured that rapid hot curing of the aluminum alloy occurs.
- an upper limit of the added content of several blank-active alloying elements may emerge, in which the alloying elements account for a total content of less than 500, in particular less than 400, atomic ppm in the aluminum alloy.
- the invention achieved the stated object with regard to the aluminum alloy in that the aluminum alloy can be reduced to its main alloying element or to its main alloying elements at least one alloying element that can be correlated with buried voids of the aluminum alloy, in particular its mobility in the crystal lattice, with a content below 500, in particular below 200, At atomic ppm, the aluminum alloy forms substantially uncorrelated voids with precipitates to reduce the negative effect of cold curing the aluminum alloy on its further thermosetting by mobilizing these uncorrelated voids.
- the aluminum alloy to its main alloying element or its main alloying elements at least one correlated with buried voids of the aluminum alloy, especially their mobility reducible in the crystal lattice, alloying element having a content below 500, in particular below 200, atomic ppm, that the aluminum alloy substantially with Forms precipitates uncorrelated voids, this aluminum alloy can be initially resistant to undesirable cold curing or improved in terms of its stability.
- semifinished product or end product of such an aluminum alloy can experience a shelf life extension at room temperature (RT).
- this alloy also responds to hot curing by reducing a negative effect of cold hardening of the aluminum alloy on its further hot curing by mobilizing these uncorrelated voids, the mechanical properties, in particular the hardness, can be improved as well improved corrosion resistance is provided for semi-finished or finished product with such an aluminum alloy. Under semifinished product or end product, sheets, plates, castings, etc. can be subsumed.
- the aluminum alloy according to the invention therefore requires no special handling and / or no special process costs before a final hot curing and is still inexpensive to manufacture.
- the alloying element in the aluminum alloy may have a content of from 10, in particular more than 20, to less than 400, in particular less than 200 atomic ppm.
- the alloying elements have a total content of less than 500, in particular less than 400, atomic ppm in the aluminum alloy.
- thermosetting aluminum alloy of the 6xxx or 7xxx series in particular AA6016, AA6061 or AA6082, which aluminum alloy Sn, Cd, Sb and / or In individually from 10, in particular more than 30, to less than 400, may be particularly suitable for achieving the technical effects according to the invention , in particular 200, atomic ppm and a total of at most 400 atomic ppm and further also individually at most 0.05 wt .-% and a total of at most 0.4 wt .-% manufacturing-related impurities.
- Such an aluminum alloy can be used in particular for a semifinished product or end product, for example for sheets, plates, profiles, castings, components, structural elements (such as construction profiles), building blocks, etc.
- this is generally avoided by adding at least one alloying element in correlation with buried voids to the solid solution.
- This particular alloying element - or combination thereof - increases the number of voids uncorrelated with precipitates at the onset of hot curing, which rapidly mobilizes in hot dumping, thus reducing the negative effect of cold curing 3 of the aluminum alloy on the thermoset 4.
- AA 6061 alloy 6 which additionally contains Sn, undergoes significantly lower cold curing 3 at room temperature (RT), which is also confirmed here by a hardness test according to Brinell HBW 2.5 / 62.5 becomes.
- RT room temperature
- the content of this alloying element one of less than 500 atomic ppm has been found sufficient. A content below 200 atomic ppm is quite conceivable.
- cold curing of an aluminum alloy can be understood as meaning at least partial cold curing and thus not exclusively complete cold curing.
Landscapes
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Investigating And Analyzing Materials By Characteristic Methods (AREA)
- Continuous Casting (AREA)
- Materials For Medical Uses (AREA)
- Powder Metallurgy (AREA)
- Printing Plates And Materials Therefor (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13708374.7A EP2817429A1 (de) | 2012-02-23 | 2013-02-22 | Aushärtbare aluminiumlegierung und verfahren zur verbesserung der warmaushärtungsfähigkeit eines halbzeugs oder endprodukts |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12156623.6A EP2631317A1 (de) | 2012-02-23 | 2012-02-23 | Aushärtbare Aluminiumlegierung sowie Verfahren zur Verbesserung der Warmaushärtungsfähigkeit |
EP13708374.7A EP2817429A1 (de) | 2012-02-23 | 2013-02-22 | Aushärtbare aluminiumlegierung und verfahren zur verbesserung der warmaushärtungsfähigkeit eines halbzeugs oder endprodukts |
PCT/EP2013/053643 WO2013124472A1 (de) | 2012-02-23 | 2013-02-22 | Aushärtbare aluminiumlegierung und verfahren zur verbesserung der warmaushärtungsfähigkeit eines halbzeugs oder endprodukts |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2817429A1 true EP2817429A1 (de) | 2014-12-31 |
Family
ID=47844275
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12156623.6A Withdrawn EP2631317A1 (de) | 2012-02-23 | 2012-02-23 | Aushärtbare Aluminiumlegierung sowie Verfahren zur Verbesserung der Warmaushärtungsfähigkeit |
EP13708374.7A Pending EP2817429A1 (de) | 2012-02-23 | 2013-02-22 | Aushärtbare aluminiumlegierung und verfahren zur verbesserung der warmaushärtungsfähigkeit eines halbzeugs oder endprodukts |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12156623.6A Withdrawn EP2631317A1 (de) | 2012-02-23 | 2012-02-23 | Aushärtbare Aluminiumlegierung sowie Verfahren zur Verbesserung der Warmaushärtungsfähigkeit |
Country Status (4)
Country | Link |
---|---|
US (2) | US10214802B2 (de) |
EP (2) | EP2631317A1 (de) |
CN (1) | CN104254634B (de) |
WO (1) | WO2013124472A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104975209A (zh) * | 2015-03-13 | 2015-10-14 | 宝山钢铁股份有限公司 | 一种高自然时效稳定性6000系铝合金材料、铝合金板及其制造方法 |
CN104975208A (zh) * | 2015-03-13 | 2015-10-14 | 宝山钢铁股份有限公司 | 一种6000系高强塑积铝合金材料、铝合金板及其制造方法 |
PL3196324T3 (pl) * | 2016-01-22 | 2019-04-30 | Amag Rolling Gmbh | Utwardzalny wydzieleniowo stop aluminium na bazie al-mg-si |
MX2020007414A (es) | 2018-01-12 | 2020-11-24 | Accuride Corp | Aleaciones de aluminio para aplicaciones tales como ruedas y metodos de fabricacion. |
CN108411169A (zh) * | 2018-04-04 | 2018-08-17 | 挪威科技大学 | Al-Mg-Si合金及其制备方法 |
CN110423963B (zh) * | 2019-08-30 | 2021-02-09 | 如东宇航机械制造有限公司 | 一种轻量化铝合金发动机支架热处理工艺及热处理设备 |
CN110629080A (zh) * | 2019-10-30 | 2019-12-31 | 江西江铃集团新能源汽车有限公司 | 一种减震塔的铸造方法 |
CN111663025B (zh) * | 2020-06-09 | 2021-10-22 | 福耀汽车铝件(福建)有限公司 | 铝合金亮饰条的时效处理方法、车身亮饰条以及时效设备 |
CN113846279A (zh) * | 2021-09-26 | 2021-12-28 | 浙江大学 | 一种用于7075铝合金的超快速时效工艺及其应用 |
Citations (8)
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SU668364A1 (ru) * | 1977-04-04 | 1981-02-28 | Предприятие П/Я Р-6585 | Сплав на основе алюмини |
JPH09249950A (ja) * | 1996-03-15 | 1997-09-22 | Nippon Steel Corp | 成形性および塗装焼付硬化性に優れたアルミニウム合金板の製造方法 |
US6231809B1 (en) * | 1998-02-20 | 2001-05-15 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | Al-Mg-Si aluminum alloy sheet for forming having good surface properties with controlled texture |
JP2003301249A (ja) * | 2002-04-12 | 2003-10-24 | Nippon Steel Corp | アルミニウム合金製高強度部材の超塑性成形加工方法 |
JP2004277762A (ja) * | 2003-03-13 | 2004-10-07 | Nippon Light Metal Co Ltd | 冷間加工用熱処理型アルミニウム合金素材の製造方法 |
JP2006009140A (ja) * | 2004-01-07 | 2006-01-12 | Nippon Steel Corp | 塗装焼付け硬化性に優れた6000系アルミニウム合金板およびその製造方法 |
JP2006037139A (ja) * | 2004-07-23 | 2006-02-09 | Nippon Steel Corp | 塗装焼付け硬化性に優れた超塑性成形用6000系アルミニウム合金板およびその製造方法 |
JP2011202284A (ja) * | 2004-01-07 | 2011-10-13 | Nippon Steel Corp | 塗装焼付け硬化性に優れた6000系アルミニウム合金板の製造方法 |
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FR1351498A (fr) * | 1962-12-20 | 1964-02-07 | Pechiney Prod Chimiques Sa | Procédé pour l'amélioration des alliages d'aluminium contenant du magnésium et du silicium et alliages obtenus |
JPS62270743A (ja) * | 1986-05-20 | 1987-11-25 | Nippon Mining Co Ltd | 流電陽極の電流効率改善方法 |
EP0613959B1 (de) * | 1993-03-03 | 1997-05-28 | Nkk Corporation | Blech aus einer AL-Legierung für Pressformen, das ausgezeichnete Härtbarkeit aufweist, die beim Anlassen bei relativ niedrigen Temperaturen in kurzer Zeit erhältlich ist, und Verfahren zur Herstellungen desselben |
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-
2012
- 2012-02-23 EP EP12156623.6A patent/EP2631317A1/de not_active Withdrawn
-
2013
- 2013-02-22 US US14/380,540 patent/US10214802B2/en active Active
- 2013-02-22 CN CN201380010922.4A patent/CN104254634B/zh active Active
- 2013-02-22 WO PCT/EP2013/053643 patent/WO2013124472A1/de active Application Filing
- 2013-02-22 EP EP13708374.7A patent/EP2817429A1/de active Pending
-
2019
- 2019-01-08 US US16/242,204 patent/US10774409B2/en active Active
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SU668364A1 (ru) * | 1977-04-04 | 1981-02-28 | Предприятие П/Я Р-6585 | Сплав на основе алюмини |
JPH09249950A (ja) * | 1996-03-15 | 1997-09-22 | Nippon Steel Corp | 成形性および塗装焼付硬化性に優れたアルミニウム合金板の製造方法 |
US6231809B1 (en) * | 1998-02-20 | 2001-05-15 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | Al-Mg-Si aluminum alloy sheet for forming having good surface properties with controlled texture |
JP2003301249A (ja) * | 2002-04-12 | 2003-10-24 | Nippon Steel Corp | アルミニウム合金製高強度部材の超塑性成形加工方法 |
JP2004277762A (ja) * | 2003-03-13 | 2004-10-07 | Nippon Light Metal Co Ltd | 冷間加工用熱処理型アルミニウム合金素材の製造方法 |
JP2006009140A (ja) * | 2004-01-07 | 2006-01-12 | Nippon Steel Corp | 塗装焼付け硬化性に優れた6000系アルミニウム合金板およびその製造方法 |
JP2011202284A (ja) * | 2004-01-07 | 2011-10-13 | Nippon Steel Corp | 塗装焼付け硬化性に優れた6000系アルミニウム合金板の製造方法 |
JP2006037139A (ja) * | 2004-07-23 | 2006-02-09 | Nippon Steel Corp | 塗装焼付け硬化性に優れた超塑性成形用6000系アルミニウム合金板およびその製造方法 |
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Title |
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BARTGES C W ET AL: "Effect of Sn additions on GP Zone formation in Al-Cu alloys", SCRIPTA METALLURGICA ET MATERIALIA, PERGAMON PRESS, GB, vol. 28, no. 10, 15 May 1993 (1993-05-15), pages 1283 - 1286, XP024181745, ISSN: 0956-716X, [retrieved on 19930515], DOI: 10.1016/0956-716X(93)90469-9 * |
MASAHIRO YANAGAWA ET AL: "The Effect of Sn on the Age-Hardening of Al-1.1Mg2Si-0.3Cr Alloy", 8TH INTERNATIONAL CONGRESS ON HEAT TREATMENT OF MATERIALS, 1 January 1993 (1993-01-01), Tokyo, pages 219 - 222, XP055185418 * |
See also references of WO2013124472A1 * |
Also Published As
Publication number | Publication date |
---|---|
US10774409B2 (en) | 2020-09-15 |
US20190136355A1 (en) | 2019-05-09 |
US10214802B2 (en) | 2019-02-26 |
CN104254634A (zh) | 2014-12-31 |
WO2013124472A1 (de) | 2013-08-29 |
EP2631317A1 (de) | 2013-08-28 |
US20150013857A1 (en) | 2015-01-15 |
CN104254634B (zh) | 2017-05-17 |
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