Method for testing the coating of a vane base

Method for testing the coating of a vane base

  • CN 101,960,285 A
  • Filed: 02/25/2009
  • Published: 01/26/2011
  • Est. Priority Date: 02/25/2008
  • Status: Active Application
First Claim
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1. a method that is used for the coating (36) of pilot blade root comprises the steps:

  • So-called looping test spare (22) and another so-called blade testing spare (32) are provided, described looping test spare comprises at least one stayed surface, described blade testing spare comprises that at least one is coated with the stayed surface of described coating to be measured (34), described blade testing spare comprises two double test blocks (32) that are used for engaging with the either side of described looping test spareMake the described blade testing spare (32) that engages with described looping test spare (22) stand the tensioning circulation, described during this period test block experiences tensile stress each other on tension direction (A), described tensile stress is via described blade testing spare is transmitted with the stayed surface that described looping test spare contacts;

    According to predetermined evaluation criterion described coating is estimated.

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