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Title: CORROSION PERFORMANCE OF MIL-PRF-23377 PRIMER COATED ON LASER-INTERFERENCE STRUCTURED ALUMINUM ALLOY 2024

Abstract

Laser-Interference Structuring (LIS) is a technique that was proposed to treat aluminum surfaces for improving primer adhesion. LIS may not require a series of chemical treatments, such as those used in chemical conversion coating (CCC) and sulfuric acid anodizing (SAA), which make the pre-treatment of Al panels simpler and quicker for primer painting. Previous test results indicated that LIS surface preparation enhances coating adhesion on Al 2024. To assess the effect of LIS on corrosion resistance of coatings, Al 2024 panels prepared by LIS, CCC and SAA were coated with MIL-PRF-23377 primers and exposed to salt spray environment according to ASTM B117. The exposure is currently in progress and the corrosion attack on the coated panels will be evaluated by the degree of blister formation and rust creepage according to ASTM standards.

Authors:
ORCiD logo [1]; ORCiD logo [1];  [1];  [1]
  1. ORNL
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
OSTI Identifier:
1570131
DOE Contract Number:  
AC05-00OR22725
Resource Type:
Conference
Resource Relation:
Conference: 2019 DoD-Allied Nations Technical Corrosion Conference - Oklahoma City, Oklahoma, United States of America - 8/12/2019 8:00:00 AM-8/15/2019 8:00:00 AM
Country of Publication:
United States
Language:
English

Citation Formats

Jun, Jiheon, Sabau, Adrian, Burns, Zachary M., and Stephens, Michael S. CORROSION PERFORMANCE OF MIL-PRF-23377 PRIMER COATED ON LASER-INTERFERENCE STRUCTURED ALUMINUM ALLOY 2024. United States: N. p., 2019. Web.
Jun, Jiheon, Sabau, Adrian, Burns, Zachary M., & Stephens, Michael S. CORROSION PERFORMANCE OF MIL-PRF-23377 PRIMER COATED ON LASER-INTERFERENCE STRUCTURED ALUMINUM ALLOY 2024. United States.
Jun, Jiheon, Sabau, Adrian, Burns, Zachary M., and Stephens, Michael S. Tue . "CORROSION PERFORMANCE OF MIL-PRF-23377 PRIMER COATED ON LASER-INTERFERENCE STRUCTURED ALUMINUM ALLOY 2024". United States. https://www.osti.gov/servlets/purl/1570131.
@article{osti_1570131,
title = {CORROSION PERFORMANCE OF MIL-PRF-23377 PRIMER COATED ON LASER-INTERFERENCE STRUCTURED ALUMINUM ALLOY 2024},
author = {Jun, Jiheon and Sabau, Adrian and Burns, Zachary M. and Stephens, Michael S.},
abstractNote = {Laser-Interference Structuring (LIS) is a technique that was proposed to treat aluminum surfaces for improving primer adhesion. LIS may not require a series of chemical treatments, such as those used in chemical conversion coating (CCC) and sulfuric acid anodizing (SAA), which make the pre-treatment of Al panels simpler and quicker for primer painting. Previous test results indicated that LIS surface preparation enhances coating adhesion on Al 2024. To assess the effect of LIS on corrosion resistance of coatings, Al 2024 panels prepared by LIS, CCC and SAA were coated with MIL-PRF-23377 primers and exposed to salt spray environment according to ASTM B117. The exposure is currently in progress and the corrosion attack on the coated panels will be evaluated by the degree of blister formation and rust creepage according to ASTM standards.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2019},
month = {10}
}

Conference:
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