This paper compares several different test methods used to test maintenance chemicals for potential to induce hydrogen embrittlement in high-strength steel. The program was structured to accomplish three main objectives with regard to hydrogen embrittlement testing: 1) compare various test methods used to qualify maintenance chemicals, 2) compare various coatings used to protect high-strength steel parts such as landing gear, and 3) compare various high-strength steel substrates specified for aircraft landing gear. The coatings selected included electrodeposited cadmium (baseline), ion vapor deposited (IVD) aluminum, SermeTel 984, and Zinc-Nickel plate. Substrates tested included AISI 4340 (260-280 ksi HT), 300M (280-300 ksi HT), and AerMet 100 (minimum 290 ksi HT).


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    Title :

    Development of Hydrogen Embrittlement Test Methods Which Reflect Realistic Maintenance Scenarios


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    SAE Airframe/Engine Maintenance & Repair Conference & Exposition ; 1998



    Publication date :

    1998-11-09




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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