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H. HCAT Propeller Chrome Plate Replacement Project. Aaron Nardi Hamilton Sundstrand-Materials Engineering. H. HVOF Qualification Testing. Specimen Testing Fatigue Testing Wear Testing Corrosion Testing TCLP Testing Component Performance Tests Low Pitch Stop Lever Sleeve - Lab Test

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Presentation Transcript
hcat propeller chrome plate replacement project

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HCAT Propeller Chrome Plate Replacement Project

Aaron Nardi

Hamilton Sundstrand-Materials Engineering

hvof qualification testing

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HVOF Qualification Testing
  • Specimen Testing
    • Fatigue Testing
    • Wear Testing
    • Corrosion Testing
    • TCLP Testing
  • Component Performance Tests
    • Low Pitch Stop Lever Sleeve - Lab Test
    • P-3 - Flight Test
completed testing

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Completed Testing
  • Wear Test - 10% of Specimens Tested
  • Fatigue Test - 20% of Specimens Tested
  • Corrosion Test - 70% of Specimens Pulled
  • TCLP - Complete
    • Spent Material Tested (WC-Co-Cr, T-400, T-800)
    • Unspent Powder Tested (WC-Co-Cr, T-400, T-800)
    • NOT HAZARDOUS WASTE
    • In Connecticut Would Be Considered Non-Hazardous Regulated Waste
general trends from corrosion testing

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General Trends From Corrosion Testing
  • Nickel Plating was the overall top performed
  • WC-Co-Cr was marginally the best HVOF coating
  • Generally speaking the thicker coatings performed better
  • Machined HVOF Specimens generally performed worse than Panels in the as coated condition.
as coated nickel corrosion panels

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As Coated Nickel Corrosion Panels

W-1, 8 days, 0.001 Thick

W-6, 8 days, 0.005 Thick

slide6

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As Coated Tribaloy T-800 Corrosion Panels

T-1, 5 days, 0.001 Thick

T-2, 5 days, 0.001 Thick

T-3, 5 days, 0.001 Thick

slide7

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As Coated WC-Co Corrosion Panels

W-1, 12 days, 0.001 Thick

W-2, 8 days, 0.001 Thick

W-6, 20 days, 0.005 Thick

slide8

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As Coated WC-Co-Cr Corrosion Panels

WCR-1, 20 days, 0.001 Thick

WCR-2, 8 days, 0.001 Thick

WCR-3, 8 days, 0.001 Thick

program milestones

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Program Milestones
  • Wear Testing - April 2001
  • Fatigue Testing - February 2001
  • Corrosion Testing - April 2001
  • TCLP Testing - Complete
  • Component Testing -
    • Receive hardware from Cherry Point Feb. 2001
    • Testing to begin April 2001
  • Flight Test - Start September 2001
    • Navy to Define Test Location