System, method and apparatus for leaching cast components
    1.
    发明公开
    System, method and apparatus for leaching cast components 审中-公开
    系统,Verfahren和Vorrichtung zum Auslaugen von Gussteilen

    公开(公告)号:EP2471615A1

    公开(公告)日:2012-07-04

    申请号:EP11250949.2

    申请日:2011-12-29

    IPC分类号: B22D29/00 C23G1/00

    摘要: A method includes removing a casting shell and core from a cast component, which may be a gas turbine blade. The method further includes utilizing a focused removal technique, such as a water jet or laser drill, to remove a portion of a virtual pattern cast (VPC) shell from the cast component. The cast component is then exposed to a leaching solution and high pressure water wash to remove an internal core material and a portion of the VPC shell remainder from the cast component. The method further includes exposing the cast component to a high agitation leaching solution and to the high pressure water wash for a minimal time. An electroless nickel-boron coating is then applied to the cast component, and an electrolytic palladium coating is further applied to the cast component. The cast component is further exposed to a high agitation leaching solution for an extended period.

    摘要翻译: 一种方法包括从可以是燃气轮机叶片的铸造部件移除铸造壳和芯。 该方法还包括利用诸如水射流或激光钻孔的聚焦去除技术来从铸造部件移除虚拟图案铸造(VPC)壳的一部分。 然后将铸造组件暴露于浸出溶液和高压水洗以除去铸造组件的内部芯材料和VPC壳的一部分剩余部分。 该方法还包括将浇铸组分暴露于高搅拌浸出溶液和高压水洗涤最短时间。 然后将无电镀镍硼涂层施加到铸造部件上,并且电镀钯涂层进一步施加到铸造部件上。 铸造组分进一步暴露于高搅拌浸出溶液中。

    High temperature niobium-bearing nickel superalloy
    5.
    发明公开
    High temperature niobium-bearing nickel superalloy 有权
    Niobhaltige Hochtemperatur-Nickel-Superlegierung

    公开(公告)号:EP2853612A1

    公开(公告)日:2015-04-01

    申请号:EP14185513.0

    申请日:2014-09-19

    IPC分类号: C22C19/05

    摘要: A nickel-based, niobium bearing superalloy consisting of 2.5 to 5 wt. % aluminum, 0.01 to 0.05 wt. % boron, 0.02 to 0.06 wt. % carbon, 6 to 15 wt. % chromium, 0 to 20 wt. % cobalt, 0 to 0.5 wt. % hafnium, 1 to 3 wt. % molybdenum, 6 to 16 wt. % niobium, 0 to 0.6 wt. % silicon, 1 to 5 wt. % tantalum, 0 to 1.5 wt. % titanium, 1 to 3 wt. % tungsten, .04 to .1 wt. % zirconium and the balance nickel and incidental impurities, the superalloy having gamma prime strengthening precipitates in a gamma matrix and little or no tertiary incoherent phases, such as delta, delta variants and eta.

    摘要翻译: 镍基铌轴承超合金,由2.5〜5wt。 %铝,0.01〜0.05重量% %硼,0.02〜0.06重量% %碳,6〜15wt。 %铬,0〜20wt。 %钴,0〜0.5重量% %铪,1〜3重量% %钼,6〜16wt。 %铌,0〜0.6wt。 %硅,1〜5wt。 %钽,0〜1.5重量% %钛,1〜3重量% %钨,0.04至0.1wt。 %的锆和余量的镍以及附带的杂质,在γ基质中具有γ'强化沉淀的超级合金和很少或没有三级非相干相,例如δ,δ变体和eta。