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    • 59. 发明申请
    • Method For Removing A Coating From A Component
    • 从组件中去除涂层的方法
    • US20080277288A1
    • 2008-11-13
    • US11630137
    • 2005-06-13
    • Ursus KrugerRalph ReicheRaymond UllrichGabriele Winkler
    • Ursus KrugerRalph ReicheRaymond UllrichGabriele Winkler
    • C25F1/00
    • B08B3/12B08B3/08C23F1/26C23F1/44C23G1/106C25F5/00
    • Method for removing coatings which have been applied to components such as turbine blades. After the end of the product life cycle of the turbine blades has been reached, these coatings can be removed to reuse the turbine blades after recoating. The coating, containing in particular chromium oxide compounds is removed via a stripping bath by adding alkanolamine compounds or salts containing such compounds as the inhibitor. These compounds advantageously prevent new chromium oxide compounds from being produced during the stripping of the turbine blades or the chromium oxide compounds present in the coating are removed effectively, so that the chromium oxide compounds cannot have an adverse influence on the removal rate of the stripping process. Advantageously reduced treatment times can thereby be achieved for the stripping process. By adding 2% triethanolamine, the treatment time in hydrochloric acid for example can be reduced to below one hour.
    • 用于去除已经应用于诸如涡轮叶片的部件的涂层的方法。 在达到涡轮叶片的产品生命周期结束后,可以去除这些涂层,以便在重新涂覆之后重新使用涡轮叶片。 通过添加含有抑制剂的化合物的链烷醇胺化合物或盐,通过汽提浴除去含有特别是氧化铬化合物的涂层。 这些化合物有利地防止在汽提叶片期间产生新的氧化铬化合物,或者有效地除去存在于涂层中的氧化铬化合物,使得氧化铬化合物不会对汽提过程的去除速率产生不利影响 。 因此,有利地减少了处理时间,从而可以实现剥离过程。 通过加入2%三乙醇胺,例如在盐酸中的处理时间可以减少到低于1小时。