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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 9. Отображено 9.
05-10-2017 дата публикации

Aluminium Solder Alloy Free from Si Primary Particles and Method for Producing It

Номер: US20170282306A1
Автор: Hartmut Janssen, Katrin Kuhnke, Werner Droste, Gerd-Ulrich Grün, JANSSEN HARTMUT, KUHNKE KATRIN, DROSTE WERNER, GRÜN GERD-ULRICH, Janssen Hartmut, Kuhnke Katrin, Droste Werner, Grün Gerd-Ulrich
Принадлежит: Hydro Aluminium Rolled Products GmbH

The invention relates to an ingot consisting of an aluminium solder alloy having in percentage by weight 4.5%≦Si≦12%; and optionally one or more of the following alloying constituents in percentage by weight: Ti≦0.2%, Fe≦0.8%, Cu≦0.3%, Mn≦0.10%, Mg≦2.0%, Zn_23 0.20%, Cr≦0.05%, with the remainder aluminium and unavoidable impurities, individually at most 0.05 wt %, in total at most 0.15 wt %, wherein boron is additionally provided as an alloying constituent, wherein the boron content is at least 100 ppm and the aluminium alloy is free from primary Si particles having a size of more than 20 μm. The invention further relates to an aluminium alloy product consisting of an aluminium alloy, to an ingot consisting of an aluminium alloy and to a method for producing an aluminium alloy. 2. The ingot according to claim 1 , wherein the aluminium alloy has the following Si content:{'br': None, '6%≦Si≦11%'}3. The ingot according to claim 1 , wherein the boron content is ≧140 ppm claim 1 , preferably≧220 ppm claim 1 , and/or ≦1000 ppm claim 1 , preferably ≦800 ppm.4. The ingot according to claim 1 , wherein boron is added to the alloy dependent on one or more other alloying constituents.5. The ingot according to claim 1 , wherein boron is added to the alloy dependent on the Ti claim 1 , Zr and/or V contents claim 1 , in particular in such a way that the boron content corresponds to at least one times claim 1 , to one and a half times claim 1 , to two and a half times or to at least three times the amount of the sum of the Ti claim 1 , Zr and V and Cr contents.6. The ingot according to claim 1 , wherein the aluminium solder alloy is composed of aluminium alloy type AA 4043 claim 1 , AA 4343 claim 1 , AA 4045 claim 1 , AA 4044 or AA 4104.7. The ingot according to claim 1 , wherein the aluminium solder alloy has a phosphorus content of at most 30 ppm claim 1 , of at most 20 ppm or of at most 10 ppm.8. An aluminium alloy product produced from an ingot according to by rolling the ...

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Номер записи: 1
30-10-2013 дата публикации

Aluminium strip for lithographic printing-plate carriers with water-based coatings

Номер: CN103380007A
Автор: Knabben Stefan, Kernig Bernhard, Hasenclever Jochen, Steinhoff Gerd, Droste Werner, Kuhnke Katrin
Принадлежит:

The invention relates to an aluminium alloy strip for the production of printing-plate carriers with water-based coatings, wherein the aluminium alloy strip has a thickness of at most 0.5 mm. The problem is to propose an aluminium alloy strip for the production of printing-plate carriers with at least one water-based coating, with the result that punctiform coating faults are prevented. The problem is solved for an aluminium alloy strip by virtue of the fact that the aluminium alloy strip has etching figures with a cubic etching attack, in a longitudinal section prepared with the use of water as lubricant, the longitudinal extent of which etching figures is at most 15 [mu]m.

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Номер записи: 2
14-11-2013 дата публикации

ALUMINIUM ALLOY FREE FROM SI PRIMARY PARTICLES

Номер: US20130302643A1
Автор: Droste Werner, Grün Gerd-Ulrich, Janssen Hartmut, Kuhnke Katrin
Принадлежит: Hydro Aluminium Rolled Products GmbH

The invention relates to an aluminium alloy, and aluminium alloy product consisting at least in part of an aluminium alloy, an ingot formed from an aluminium alloy, and also a method for producing an aluminium alloy. An improved soldering process is achieved by an AlSi aluminium alloy that has the following proportions of alloy components in percentage by weight: 2. The aluminium alloy product according to claim 1 ,characterised in thatthe P content is at most 5 ppm and/or the B content is at most 7 ppm.3. The aluminium alloy product according to or claim 1 ,characterised in thatTi content is 140 ppm to 240 ppm.4. The aluminium alloy product according to to claim 1 ,characterised in thatthe aluminium alloy product is a strip and comprises at least one further layer formed from aluminium or an aluminium alloy.5. The aluminium alloy product according to claim 4 ,characterised in thatthe strip is produced by roll cladding or composite casting.6. The aluminium alloy product according to one of to claim 4 ,characterised in thatthe aluminium alloy product is formed at least as part of a soldered component, in particular of a heat exchanger.7. A method for producing an aluminium alloy of an aluminium solder layer of an aluminium alloy product according to one of to claim 4 , in whichpure aluminium with a P content of at most 10 ppm and a B content of at most 10 ppm, the remainder being aluminium with unavoidable impurities individually of 0.05% by weight and in total at most 0.2% by weight, is melted in a smelting furnace, Fe with up to 0.8%,', 'Cu with up to 0.3%,', 'Mn with up to 0.10%,', 'Mg with up to 2.0%,', 'Zn with up to 0.20%,', 'Cr with up to 0.05%,, 'the following are optionally alloyed in the smelting furnace in percentage by weight as further alloy components or are already contained at least in part in the pure aluminium'}silicon is alloyed in the smelting furnace until a Si content from 4.5% by weight to 12% by weight of the aluminium alloy is achieved, ...

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Номер записи: 3
02-01-2014 дата публикации

ALUMINIUM STRIP FOR LITHOGRAPHIC PRINTING PLATE CARRIERS COMPRISING WATER-BASED COATINGS

Номер: US20140000469A1
Автор: Droste Werner, Hasenclever Jochen, Kernig Bernhard, Knabben Stefan, Kuhnke Katrin, Steinhoff Gerd
Принадлежит: Hydro Aluminium Rolled Products GmbH

The invention relates to an aluminium alloy strip for the production of printing plate carriers comprising water-based coatings, wherein the aluminium alloy strip has a thickness of at most 0.5 mm. The object is to propose an aluminium alloy strip for the production of printing plate carriers comprising at least one water-based coating so that punctiform coating faults are prevented. The object is achieved for an aluminium alloy strip in that the aluminium alloy strip, in a longitudinal polished section prepared using water as a lubricant, has etch figures with a cubic etching, of which the longitudinal extent is at most 15 mm. 1. An aluminium alloy strip for the production of printing plate carriers comprising water-based coatings , wherein the aluminium alloy strip has a thickness of at most 0.5 mm ,wherein the aluminium alloy strip, in a longitudinal polished section prepared using water as a lubricant, has etch figures with a cubic etching, of which the longitudinal extent is at most 15 μm.2. The aluminium alloy strip according to claim 1 , wherein the number of etch figures with a cubic etching over 1000 mmis at most 350.6. Use of sheets separated from an aluminium alloy strip according to for printing plate carriers comprising at least one water-based coating.7. The use according to claim 6 , wherein the printing plate carrier is a thermoprinting plate carrier.9. The method according to claim 8 , wherein the gas flushing in the melting or casting furnace is carried out with the addition of chlorine claim 8 , wherein the quantity of fed chlorine is at most 30 mg Cl/kg Al.10. The method according to claim 8 , wherein alternatively claim 8 , no chlorine gas is used with the gas flushing in the melting or casting furnace and with the degassing during the casting in the degasser claim 8 , and the melt is purified by feeding chlorides claim 8 , preferably potassium chloride/magnesium chloride claim 8 , wherein a quantity of at most 60 mg Cl/kg Al is fed to the ...

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Номер записи: 4
10-05-2018 дата публикации

Aluminium Solder Alloy Free from Si Primary Particles and Method for Producing It

Номер: US20180126496A9
Автор: Gerd-Ulrich Grün, Hartmut Janssen, Katrin Kuhnke, Werner Droste
Принадлежит: Hydro Aluminium Rolled Products GmbH

The invention relates to an ingot consisting of an aluminium solder alloy having in percentage by weight 4.5%≤Si≤12%; and optionally one or more of the following alloying constituents in percentage by weight: Ti≤0.2%, Fe≤0.8%, Cu≤0.3%, Mn≤0.10%, Mg≤2.0%, Zn_23 0.20%, Cr≤0.05%, with the remainder aluminium and unavoidable impurities, individually at most 0.05 wt %, in total at most 0.15 wt %, wherein boron is additionally provided as an alloying constituent, wherein the boron content is at least 100 ppm and the aluminium alloy is free from primary Si particles having a size of more than 20 μm. The invention further relates to an aluminium alloy product consisting of an aluminium alloy, to an ingot consisting of an aluminium alloy and to a method for producing an aluminium alloy.

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Номер записи: 5
15-10-2020 дата публикации

ALUMINIUM ALLOY, METHOD FOR PRODUCING AN ALUMINIUM FLAT PRODUCT, ALUMINIUM FLAT PRODUCT AND USE THEREOF

Номер: US20200325560A1
Автор: Droste Werner, Engler Olaf, Goddard David, Kuhnke Katrin, Lentz Martin Christoph, Miller-Jupp Simon, Pritzlaff Reinhard, Rösner-Kuhn Michael
Принадлежит: Hydro Aluminium Rolled Products GmbH

An aluminium alloy for superplastic aluminium flat products having the following composition: Si≤0.4 wt. %, Fe≤0.4 wt. %, Cu≤0.1 wt. %, 0.5 wt. %≤Mn≤1.0 wt. %, 4.7 wt. %≤Mg≤5.5 wt. %, 0.05 wt. %≤Cr≤0.25 wt. %, Zn≤0.25 wt. %, Ti≤0.20 wt. %, Na≤2 ppm, unavoidable impurities individually ≤0.05 wt. %, in total ≤0.15 wt. %, remainder aluminium. A method for producing an aluminium flat product in which an aluminium melt is provided from the above-mentioned aluminium alloy, in which the aluminium melt is cast to form an ingot, in which the ingot is hot rolled to form a hot strip, in which the hot strip is cold rolled to form a cold strip, and in which the cold strip is levelled. Further disclosed is an aluminium flat product produced by the method and a use thereof. 2. The method according to claim 1 , wherein the aluminium alloy has an Fe content of 0.05-0.15 wt. % and/or a Cu content of max. 0.05 wt. %.3. The method according to claim 1 , wherein the aluminium alloy has a Mn content of 0.7 wt. % to 1.0 wt. %.4. The method according to claim 1 , wherein the aluminium alloy has a Zn content of max. 0.06 wt. % and/or a Ti content in the range 0.015-0.03 wt. %.5. The method according to claim 1 , wherein the aluminium alloy has a B content of max. 50 ppm and/or a Ca content of max. 15 ppm and/or a Li content of max. 15 ppm.6. The method according to claim 1 , wherein providing comprises melting together a preliminary aluminium melt with additives to achieve the composition of the molten aluminium claim 1 , wherein at least two of the alloying elements Cr claim 1 , Mn and Ti claim 1 , preferably all three alloying elements Cr claim 1 , Mn and Ti claim 1 , are charged separately from one another.7. The method according to claim 1 , wherein the degree of rolling during cold rolling is in total in the range of 70% to 80% claim 1 , wherein the degree of rolling in the last roll pass is preferably less than 33%.8. The method according to claim 1 , further comprising cutting the ...

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Номер записи: 6
26-07-2012 дата публикации

Aluminum alloy free of si primary particles

Номер: WO2012098233A2
Автор: Gerd-Ulrich Grün, Hartmut Janssen, Katrin Kuhnke, Werner Droste
Принадлежит: Hydro Aluminium Rolled Products GmbH

The invention relates to an aluminum alloy, to an aluminum alloy product at least partially composed of an aluminum alloy, to a bar made of an aluminum alloy, and to a method for producing an aluminum alloy. The aim of providing an AlSi aluminum alloy that ensures an improved soldering process is achieved by means of an AlSi aluminum alloy that has the following fractions of alloying elements in weight percent: 4.5% ≤ Si ≤ 12%, P ≤ 10 ppm, B ≤ 10 ppm, 30 ppm ≤ Ti ≤ 240 ppm, Fe ≤ 0.8%, Cu ≤ 0.3%, Mn ≤ 0.10%, Mg ≤ 2.0%, Zn ≤ 0.20%, Cr ≤ 0.05%, remainder Al and unavoidable contaminants, no more than 0.05 wt% individually, no more than 0.15 wt% in total, wherein the aluminum alloy is free of Si primary particles having a size greater than 10 μm.

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Номер записи: 7
05-09-2012 дата публикации

Aluminium band for lithographic pressure plate carriers with water-based coatings

Номер: EP2495106A1
Автор: Bernhard Kernig, Gerd Steinhoff, Jochen Hasenclever, Katrin Kuhnke, Stefan Knabben, Werner Droste
Принадлежит: Hydro Aluminium Rolled Products GmbH

The aluminum alloy strip (6) for producing a printing plate carrier with water-based coatings, comprises etch figures, with a cubic etching of 1000 mm 2>maximum 350, prepared in a longitudinal section using water as a lubricant. A longitudinal extension of the etch figure is maximum 15 mu m. The aluminum alloy sheet has a thickness of 0.5 mu m. An independent claim is included for a process for producing an aluminum alloy strip.

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Номер записи: 8
01-11-2017 дата публикации

Si-PRIMÄRPARTIKELFREIE ALUMINIUMLOTLEGIERUNG UND VERFAHREN ZU DEREN HERSTELLUNG

Номер: EP3237647A1
Автор: Gerd-Ulrich Grün, Hartmut Janssen, Katrin Kuhnke, Werner Droste
Принадлежит: Hydro Aluminium Rolled Products GmbH

Die Erfindung betrifft einen Barren bestehend aus einer Aluminiumlotlegierung, mit folgenden Anteilen als Legierungsbestandteile in Gewichtsprozent: 4,5 % ≤ Si ≤ 12 %, und optional mit einem oder mehreren der folgenden Anteile als Legierungsbestandteile in Gewichtsprozent: Ti ≤ 0,2 %, Fe ≤ 0,8 %, Cu ≤ 0,3 %,Mn ≤ 0,10 %, Mg ≤ 2,0 %, Zn ≤ 0,20 %, Cr ≤ 0,05 %, Rest Aluminium und unvermeidbare Verunreinigungen, einzeln maximal 0,05 Gew.-%, in Summe maximal 0,15 Gew.-%, wobei zusätzlich Bor als Legierungsbestandteil vorgesehen ist, wobei Bor derart zulegiert ist, dass der Bor-Gehalt mindestens 100 ppm beträgt und die Aluminiumlegierung frei von primären Si-Partikeln mit einer Größe von mehr als 20 μm, insbesondere 10 μm, ist. Weiterhin betrifft die Erfindung ein Aluminiumlegierungsprodukt zumindest teilweise bestehend aus einer Aluminiumlegierung, einen Barren aus einer Aluminiumlegierung sowie ein Verfahren zur Herstellung einer Aluminiumlegierung.

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Номер записи: 9