This specification covers the requirements for electroless nickel-phosphorus plate that is co-deposited with polytetrafluoroethylene (PTFE) over other materials. AMS2454A is the result of a Fire-Year Review and update of this specification with changes to ordering information corresponding to changes in the document, added Type VI to be specified to Table 4, updated stress relief per GAB19AA (3.1.1), updated contact locations per GAB19AB (3.1.2, 4.4.3), added direct dimensional inspection of thickness (3.4.1), added minimum force to hardness testing to increase accuracy (3.4.3), clarified wording for composition (3.4.6), added paragraph dealing with acceptable imperfections in coating applied to casting and forgings (3.5.3), revised adhesion test requirements per GAB14AA (4.2.2, Table 5, 4.3.2, 4.3.3.6), moved and updated plating solution controls from 4.2.2.1 to 4.2.2.2, added 4.2.2.4 suspension of periodic testing for when plating is not performed, for preproduction tests (4.2.3) added that test are dependent of type of coating specified, updated Lot definition per GAB16AA (4.3.1), for corrosion testing added AMS4037 for specimen material (4.3.3.3) to align with other AMS’s changed plating thickness to a minimum for hydrogen embrittlement test (4.3.3.4), and revised notes 8.7, 8.15, 8.17, 8.20, and 8.21.
Plating, Electroless Nickel-Phosphorus, Co-Deposited with Polytetrafluoroethylene (PTFE)
2021-12-21
Aufsatz (Konferenz)
Englisch
Plating, Electroless Nickel, Codeposited with Polytetrafluoroethylene (PTFE)
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