Flux-free Joining of Aluminium Composite Materials
    11.
    发明申请
    Flux-free Joining of Aluminium Composite Materials 审中-公开
    无焊接铝合金复合材料

    公开(公告)号:US20160325367A1

    公开(公告)日:2016-11-10

    申请号:US15177581

    申请日:2016-06-09

    Abstract: Use of an aluminium composite material in a thermal joining method, said material consisting of at least one aluminium core alloy and at least one external brazing layer consisting of an aluminium brazing alloy provided on one or both sides of the aluminium core alloy, wherein the aluminium brazing layer has a pickled surface. Reduced costs and a lower environmental impact is achieved by using an aluminium composite material in which the pickled surface of the aluminium brazing layer had been pickled by pickling with an acid, aqueous pickling solution containing at least one mineral acid and at least one complex-forming agent or a complexing mineral acid, wherein the removal of material in the pickling is between 0.05 g/m2 and 6 g/m2, the aluminium composite material is used in a flux-free, thermal joining method, and the joining method is carried out in the presence of a protective gas.

    Abstract translation: 在热接合方法中使用铝复合材料,所述材料由至少一个铝芯合金和至少一个外壳钎焊层组成,所述至少一个外部钎焊层由在铝芯合金的一侧或两侧上提供的铝钎焊合金组成,其中铝 钎焊层具有酸洗表面。 通过使用铝复合材料来实现降低成本和降低环境影响,其中铝钎焊层的酸洗表面通过酸洗酸洗,含有至少一种无机酸的水性酸洗液和至少一种络合物形成 代理或络合无机酸,其中在酸洗中去除材料为0.05g / m 2至6g / m 2,铝复合材料以无助焊剂热接合方法使用,并且进行接合方法 在有保护气体的情况下。

    Method for pretreating the surfaces of weld parts of aluminum or alloys thereof and corresponding weld parts
    13.
    发明申请
    Method for pretreating the surfaces of weld parts of aluminum or alloys thereof and corresponding weld parts 有权
    用于预处理铝或其合金的焊接部分的表面和相应的焊接部分的方法

    公开(公告)号:US20050150575A1

    公开(公告)日:2005-07-14

    申请号:US11009992

    申请日:2004-12-10

    Applicant: Frank Drexler

    Inventor: Frank Drexler

    CPC classification number: C23G1/125 B23K9/235 B23K35/0288 B23K2103/10

    Abstract: Described here is a method for pretreating the surfaces of weld parts of aluminum or alloys thereof, and weld parts produced with said method. Prior to welding, the weld parts are subjected to a treatment (17) in an acidic, aqueous solution, wherein the acidic, aqueous solution contains ions of the elements boron and/or silicon and/or titanium and/or zirconium and/or hafnium. The invention consists in that a polishing step (9) is carried out prior to the treatment in the acidic, aqueous solution to make for better sliding in a feed apparatus during the welding process.

    Abstract translation: 这里描述了一种用于预处理铝或其合金的焊接部分的表面以及用所述方法制造的焊接部件的方法。 在焊接之前,焊接部件在酸性水溶液中进行处理(17),其中酸性水溶液含有元素硼和/或硅和/或钛和/或锆和/或铪的离子 。 本发明的目的在于在酸性水溶液中进行抛光步骤(9),以在焊接过程中在进料装置中进行更好的滑动。

    Cleaning chamber surfaces to recover metal-containing compounds
    14.
    发明授权
    Cleaning chamber surfaces to recover metal-containing compounds 有权
    清洁室表面以回收含金属的化合物

    公开(公告)号:US06902627B2

    公开(公告)日:2005-06-07

    申请号:US10742604

    申请日:2003-12-19

    Abstract: In a method of cleaning metal-containing deposits such as tantalum from a surface of a process chamber component, such as a metal surface, the surface is immersed in a cleaning solution. In one version, the cleaning solution is a solution having HF and HNO3 in a ratio that removes deposits from the surface substantially without eroding the surface. In another version, the cleaning solution is a solution having KOH and H2O2. The solution can be treated after cleaning the surface to recover tantalum-containing materials and one or more of the cleaning solutions.

    Abstract translation: 在诸如金属表面的处理室部件的表面上清洗含金属沉积物如钽的方法中,将表面浸入清洁溶液中。 在一个版本中,清洁溶液是具有HF和HNO 3 3的溶液,其比例基本上不侵蚀表面从表面除去沉积物。 在另一个版本中,清洁溶液是具有KOH和H 2 O 2 O 2的溶液。 在清洁表面后可以处理溶液以回收含钽材料和一种或多种清洁溶液。

    Aqueous cleaning solution and method for cleaning aluminum-based metals
    15.
    发明授权
    Aqueous cleaning solution and method for cleaning aluminum-based metals 有权
    水性清洗液及铝基金属清洗方法

    公开(公告)号:US6083896A

    公开(公告)日:2000-07-04

    申请号:US362732

    申请日:1999-07-29

    CPC classification number: C23G1/125

    Abstract: The present invention provides an aqueous cleaning solution for aluminum-based metals which comprises an inorganic acid in an amount to provide a pH value of 2 or less, an oxidized form metal ion and a surfactant represented by the following formula (I)R--O--(EO).sub.n H (I)wherein R represents an alkyl group having on average 10 to 18 carbon atoms per molecule, n represents an integer of 8 or greater, and EO represents an ethyleneoxy group which may contain a small proportion of a propyleneoxy group. The degradation of cleaning properties due to the accumulation of lubricating oil or decomposition of surfactants is lessened even when the cleaning operation is carried out for a long period of time.

    Abstract translation: 本发明提供一种铝基金属的水性清洗液,其含有pH值为2以下的无机酸,氧化型金属离子和下式(I)表示的表面活性剂RO-( EO)nH(I)其中R表示每分子平均具有10至18个碳原子的烷基,n表示8或更大的整数,EO表示可含有少量丙烯氧基的乙烯氧基。 即使长时间进行清洁操作,由于润滑油的积聚或表面活性剂的分解而导致的清洗性能的降低也降低。

    Acidic cleaning aqueous solution for aluminum and aluminum alloy and
method for cleaning the same
    16.
    发明授权
    Acidic cleaning aqueous solution for aluminum and aluminum alloy and method for cleaning the same 失效
    用于铝和铝合金的酸性清洗水溶液及其清洗方法

    公开(公告)号:US5688755A

    公开(公告)日:1997-11-18

    申请号:US661143

    申请日:1996-06-10

    CPC classification number: C23G1/125

    Abstract: An acidic cleaning aqueous solution for carrying out a low temperature acidic cleaning of aluminum and aluminum alloy and a cleaning method for the same free from harmful fluorine and chromium ions. The acidic cleaning aqueous solution includes oxidized metal ions as an etching promoter, an inorganic acid, a surfactant and a certain amount of polyhydric alcohols having at least two hydroxyl groups directly coupled with two adjacent carbon atoms of a principal chain within one molecule and further includes an oxidizing agent for oxidizing the oxidized metal ions reduced in the cleaning. Certain alcohols in the acidic cleaning aqueous solution can control the oxidative decomposition reaction of the surfactant to obtain a long life acidic cleaning aqueous solution.

    Abstract translation: 用于进行铝和铝合金的低温酸洗的酸性清洗水溶液以及不含有害的氟和铬离子的清洗方法。 酸性清洗水溶液包括作为蚀刻促进剂的氧化金属离子,无机酸,表面活性剂和一定量的具有至少两个羟基的多元醇,其直链与一个分子内的主链的两个相邻碳原子直接连接,并且还包括 用于氧化在清洁中减少的氧化金属离子的氧化剂。 酸性清洗水溶液中某些醇可以控制表面活性剂的氧化分解反应,从而获得长寿命的酸性清洗水溶液。

    Acidic cleaning aqueous solution for aluminum and aluminum alloy and
process for cleaning the same
    17.
    发明授权
    Acidic cleaning aqueous solution for aluminum and aluminum alloy and process for cleaning the same 失效
    用于铝和铝合金的酸性清洗水溶液及其清洗方法

    公开(公告)号:US5514293A

    公开(公告)日:1996-05-07

    申请号:US219283

    申请日:1994-03-28

    CPC classification number: C23G1/125

    Abstract: Disclosed is an acidic cleaning aqueous solution for aluminum and aluminum alloy and a process for cleaning the same, intended to execute acidic cleaning without using harmful fluoride and chloride ions.The oxidation-reduction potential of a cleaning bath is controlled to be at 0.5 to 0.8 V (vs. Ag-AgCl). The cleaning bath is obtained by diluting an acidic cleaning aqueous solution for aluminum and aluminum alloy to a predetermined volume. The acidic cleaning aqueous solution contains specified amounts of at least one of inorganic acids, Br.sup.- ions and oxidized metal ions, with the addition of a surfactant and oxidizing agent if necessary.It is thus possible to present a uniform etching effect irrespective of low temperature (below 60.degree. C.) without containing fluoride ions and chromic ions within the acidic cleaning aqueous solution. Br.sup.- also has an effect of inhibiting the oxidation-decomposition reaction of the surfactant arising from the oxidizing agent and oxidized metal ions, thereby obtaining a long-life acidic cleaning aqueous solution.

    Abstract translation: 公开了一种用于铝和铝合金的酸性清洗水溶液及其清洗方法,其目的是在不使用有害的氟化物和氯离子的情况下进行酸性清洗。 将清洗液的氧化还原电位控制在0.5〜0.8V(相对于Ag-AgCl)。 通过将铝和铝合金的酸性清洗水溶液稀释至预定体积来获得清洗浴。 酸性清洗水溶液含有规定量的无机酸,Br离子和氧化金属离子中的至少一种,如果需要加入表面活性剂和氧化剂。 因此,在酸性清洗水溶液中不含氟离子和铬离子的情况下,不管低温(低于60℃)都不会出现均匀的蚀刻效果。 Br-还具有抑制由氧化剂和氧化金属离子引起的表面活性剂的氧化分解反应的效果,从而得到长寿命的酸性清洗水溶液。

    Treatment of aluminum with non-chrome cleaner/deoxidizer system followed
by conversion coating
    18.
    发明授权
    Treatment of aluminum with non-chrome cleaner/deoxidizer system followed by conversion coating 失效
    用非铬清洁剂/脱氧剂系统处理铝,然后转化涂层

    公开(公告)号:US5052421A

    公开(公告)日:1991-10-01

    申请号:US560478

    申请日:1990-07-27

    Inventor: Mark W. McMillen

    CPC classification number: C23G1/125

    Abstract: The invention is a metal treating process which uses a chrome-free deoxidizing bath. The process is useful for cleaning and deoxidizing aluminum substrates followed by conversion coating of the cleaned and deoxidized substrates.

    Abstract translation: 本发明是使用无铬脱氧浴的金属处理方法。 该方法可用于清洁和脱氧铝基板,然后进行清洁和脱氧底材的转化涂层。

    Fluoride and chromium free acid etchant rinse for aluminum
    20.
    发明授权
    Fluoride and chromium free acid etchant rinse for aluminum 失效
    氟化物和无铬铬酸蚀刻剂冲洗铝

    公开(公告)号:US4980076A

    公开(公告)日:1990-12-25

    申请号:US403625

    申请日:1989-09-06

    CPC classification number: C23G1/125

    Abstract: Problems with previously known aqueous acidic rinsing solutions for aluminum after shaping while using surface lubricants are avoided by use of a solution which contains water and (A) orthophosphoric acid in an amount to give a stoichiometric equivalent of 3.0 to 50 g/L as PO.sub.4.sup.-3, (B) an aluminum ion sequestrant component in an amount of 0.01 to 10.0 g/L; and (C) 20 to 170 ppm of ferric ion. The ferric ions act to inhibit corrosion of the stainless steel process equipment. Preferably the solution also contains 0.1 to 1.0 g/L of H.sub.2 O.sub.2, NO.sub.2.sup.-1 ions, or a mixture thereof to reoxidize ferrous ions formed by reduction of ferric ions during use of the solution and thus maintain the concentration of ferric ions above 20 ppm at all times. The solution may also contain surfactant and up to 10 g/L of dissolved aluminum ions.

    Abstract translation: 使用含有水的溶液和(A)正磷酸的量,通过使用表面润滑剂成型后的铝的先前已知的水性酸性漂洗溶液的问题可以避免,其量为化学计量当量为3.0〜50g / L,PO4- 3,(B)0.01〜10.0g / L的铝离子螯合剂成分; 和(C)20〜170ppm的铁离子。 铁离子用于抑制不锈钢工艺设备的腐蚀。 优选地,溶液还含有0.1至1.0g / L的H 2 O 2,NO 2 -1离子或其混合物,以在溶液的使用期间再氧化由铁离子还原形成的亚铁离子,并且因此将铁离子的浓度保持在20ppm以上 一直。 该溶液还可以含有表面活性剂和高达10g / L的溶解的铝离子。

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