Article

Journal of Materials Engineering and Performance

, Volume 18, Issue 1, pp 70-78

Evaluation of the Effects of Powder Coating Cure Temperatures on the Mechanical Properties of Aluminum Alloy Substrates

  • C. MaldonadoAffiliated withMechanical Engineering Department, Loyola Marymount University
  • , D. DiazAffiliated withMechanical Engineering Department, Loyola Marymount University
  • , J. RanalloAffiliated withMechanical Engineering Department, Loyola Marymount University
  • , R. PainterAffiliated withMechanical Engineering Department, Loyola Marymount University
  • , W. DahirAffiliated withMechanical Engineering Department, Loyola Marymount University
  • , D. HassounaAffiliated withMechanical Engineering Department, Loyola Marymount University
  • , B. GayerAffiliated withMechanical Engineering Department, Loyola Marymount University
  • , E. TossAffiliated withMechanical Engineering Department, Loyola Marymount University
  • , I. MartinezAffiliated withMechanical Engineering Department, Loyola Marymount University
    • , P. StoyanovAffiliated withMechanical Engineering Department, Loyola Marymount University
    • , J. OgrenAffiliated withMechanical Engineering Department, Loyola Marymount University
    • , E.W. LeeAffiliated withNaval Air Systems Command, Naval Air Warfare Center
    • , D. PiatkowskiAffiliated withNaval Air Systems Command, Naval Air Warfare Center
    • , J. HiltyAffiliated withMechanical Engineering Department, Loyola Marymount University
    • , O.S. Es-SaidAffiliated withMechanical Engineering Department, Loyola Marymount University Email author 

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Abstract

The effects of curing temperature, based on new, low-temperature powder coating methods and traditional high-temperature powder coating methods, were studied. Heat-sensitive aluminum alloys (2024-T3, 6061-T6, and 7075-T6) were subjected to two different heat-treatment cycles, which were based on temperatures of 121 and 204 °C. Findings indicate that although both cure temperatures achieved powder coatings adhesion and thickness appropriate for industrial uses, the high-temperature cure treatment negatively affected the mechanical properties.

Keywords

age hardenable aluminum alloys degradation of mechanical properties low-temperature cure powder (LTCP) solvent-borne paints