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    Upgrading aluminide coating on used turbine engine component
    1.
    发明申请
    Upgrading aluminide coating on used turbine engine component 审中-公开
    升级二手涡轮发动机部件上的铝化物涂层

    公开(公告)号：US20050035086A1

    公开(公告)日：2005-02-17

    申请号：US10638581

    申请日：2003-08-11

    Applicant: Keng Chen ,  Shih-Tung Ngiam

    Inventor： Keng Chen ,  Shih-Tung Ngiam

    IPC: F01D25/00 ,  C23C4/00 ,  C23C4/02 ,  C23C28/00 ,  C23G1/02 ,  C23G1/14 ,  C23G1/28 ,  C25D5/34 ,  F01D5/28 ,  F02C7/00 ,  C23F1/00

    CPC classification number: F01D5/288 ,  C23C4/00 ,  C23C4/02 ,  C23C28/021 ,  C23G1/02 ,  C23G1/14 ,  C23G1/28 ,  C25D5/34 ,  F05D2230/30 ,  F05D2230/80 ,  F05D2230/90 ,  F05D2300/143 ,  F05D2300/611 ,  Y02T50/672

    Abstract: A method of upgrading an aluminide coating on a used turbine engine component to a platinum aluminide coating. The method involves cleaning at least one surface of the component to remove hot corrosion products from the surface without damaging the aluminide coating. In one embodiment, the cleaning step involves immersing the component in a heated solution comprising acetic acid while agitating the solution using ultrasonic energy. A layer of platinum is then deposited onto the cleaned surface of the component. A second aluminide coating is then formed on the surface of the component to upgrade the component. The invention also relates to a turbine engine component, e.g., a turbine blade, having a metal-based substrate and a platinum aluminide coating on at least one surface thereof, which coating has been upgraded from an aluminide coating originally on the component using the above method.

    Abstract translation: 将二氧化碳涡轮发动机部件上的铝化物涂层升级为铂铝化物涂层的方法。 该方法包括清洁组件的至少一个表面以从表面去除热腐蚀产物而不损坏铝化物涂层。 在一个实施方案中，清洁步骤包括将组分浸入包含乙酸的加热溶液中，同时使用超声波能量搅拌该溶液。 然后将铂层沉积在组件的清洁表面上。 然后在组件的表面上形成第二铝化物涂层以升级组件。 本发明还涉及一种涡轮发动机部件，例如涡轮叶片，其在其至少一个表面上具有基于金属的基底和铝化铂涂层，该涂层已使用上述方法从原始在组件上的铝化物涂层升级 方法。

    Method of treating salt bath liquid
    2.
    发明授权
    Method of treating salt bath liquid 失效
    盐浴液处理方法

    公开(公告)号：US5496449A

    公开(公告)日：1996-03-05

    申请号：US274903

    申请日：1994-07-14

    Applicant: Tadaya Ishibashi ,  Masanori Sasaki ,  Hideto Obara ,  Hiroshi Kano ,  Shintaro Yamashita

    Inventor： Tadaya Ishibashi ,  Masanori Sasaki ,  Hideto Obara ,  Hiroshi Kano ,  Shintaro Yamashita

    IPC: C23G1/28 ,  C23G1/32 ,  C23G1/36 ,  B01D61/44 ,  B08B7/04 ,  C02F1/46

    CPC classification number: C23G1/36 ,  C23G1/28 ,  C23G1/32

    Abstract: The present invention relates to the method of treating the salt bath liquid. In the surface treatment of the steel material by the use of the high-temperature salt bath mainly comprising sodium hydroxide and sodium nitrate, the salt ingredients contained in the washings generated are separated to be recovered and the metal salts contained are separated in the form of the insoluble salts. The salts contained in the nitrate radical-containing liquid system are recovered as the free acids again, the alkalies being recovered, and the reagents contained in the overflow from the salt-washing tank being recovered. The anode chamber liquid generated in the recoverying operation of the reagents is returned to the washing tank again to increase the concentration of the salts. The anode chamber liquid is poured into the pickling tank to reduce the oxidizing soluble metal salts contained in the washings by iron within the pickling tank, whereby the oxidizing soluble metal salts are insolubilized. The mixture liquid of the overflows from the respective tanks and the washing water for removing the foreign matters in the salt bath is mixed with the nitric acid-containing liquid for pickling the steel material and then sodium hydroxide is supplied to alkalize. Thus, the dissolved metal compounds in the liquids, which have been used for the treatment, are separated into the insoluble solid metal hydroxides and the liquid of the soluble salts without mixing the insoluble alkalies.

    Abstract translation: 本发明涉及盐浴液的处理方法。 在通过使用主要包含氢氧化钠和硝酸钠的高温盐浴对钢材进行表面处理时，将生成的洗涤物中所含的盐成分分离回收，并将所含的金属盐以 不溶性盐。 包含在含硝酸根的液体系统中的盐被再次作为游离酸回收，回收碱，并且从盐洗槽中溢出的试剂被回收。 在试剂的回收操作中产生的阳极室液体再次返回到洗涤槽中以增加盐的浓度。 将阳极室液体倒入酸洗槽中，以通过酸洗槽内的铁减少洗涤物中所含的氧化性可溶性金属盐，由此氧化可溶性金属盐不溶解。 将来自相应容器的溢出物的混合液和用于除去盐浴中的异物的洗涤水与含硝酸的液体混合以对钢材进行酸洗，然后将氢氧化钠供应碱化。 因此，已经用于处理的液体中的溶解的金属化合物被分离成不溶性固体金属氢氧化物和可溶性盐的液体，而不混合不溶性碱。

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