Corrosion Mapping of USCG Aircraft

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Corrosion Mapping of U.S. Coast Guard
Aircraft Samuel Benavides Sr. Materials
Engineer
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C-130 Retire 2030
Age (years)
Year
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HU-25 Retire 2010
Age (years)
Year
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HH-60 Retire 2022
Age (years)
Year
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HH-65 Retire 2030
Age (years)
Year
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Corrosion Mapping PDM

• Document Corrosion Occurrences
• Where?
• What kind? Type? Size?
• AC Type Since
• HU-25 1993
• HH-60 1994
• HH-65 1995
• C-130 (Mod Line) 2001

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Corrosion Mapping PDM

• Identify Recurring Corrosion
• Benchmark
• Monitor
• Track
• Historical Database

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Corrosion Cards Zones
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Corrosion Cards Grids
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Corrosion Cards Grids
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Corrosion Cards Grids
Corrosion Type Codes E-Exfoliation S-Surface I-In
tergranular P-Pitting G-Galvanic F-Fretting M-Fili
more C-Stress Cracking O-Other
Corrosion Severity Codes A-Light B-Moderate C-Sev
ere
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Results
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Web Base Mapping

• Tail Number
• Location
• Grid
• Severity
• PDM

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Corrosion Management

• Enhance Operational Availability
• Ensure Structural Integrity

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Environmental Severity
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Questions ???