MATERIAL - HARD ANODIC COATINGS ON ALUMINUM - PHYSICAL AND CHEMICAL PROPERTIES - EVALUATION OF

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Abstract:

Hard anodic coatings of approximately 0.002-in. thickness were applied to bare 7075-T6 and 2024-T3 aluminum alloys by the Hardas, Sanford and Alcoa 226 processes. The Alcoa 226 coating was not successfully applied to 2024-T3 aluminum due to excessive burning of the material during processing. The hard anodic coatings were evaluated by tests to determine their porosity, abrasion resistance, hardness, adhesion and dielectric strength. Tests were also conducted to determine the effect of the coatings on the tensile and fatigue properties of the two aluminum alloys. Author

Author(s):
Cozart, J. L.
Author Organization(s):
GENERAL DYNAMICS/FORT WORTH TEX
Annotation:
MATERIAL; HARD ANODIC COATINGS ON ALUMINUM; PHYSICAL AND CHEMICAL PROPERTIES.
Pagination:
0001

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release

RECORD

Collection: TR
Identifying Numbers
Report Number(s):
FGT 2163
Contract/Grant Number(s):
AF 33(600)-36200, AF 33(657)-7248
 Subject Terms
Communities of Interest:
No COI(s) Identified
Descriptor(s):
*ALUMINUM, *ALUMINUM ALLOYS, *COATINGS, *METAL COATINGS, CHEMICAL PROPERTIES, DIELECTRIC PROPERTIES, FATIGUE (MECHANICS), HARDNESS, MECHANICAL PROPERTIES, PHYSICAL PROPERTIES, POROSITY, PROCESSING, TENSILE PROPERTIES, TESTS
Report Date:
1959 Apr 01