Development of an Enhanced Accelerated Weathering Test Cycle for Automotive Coatings

Paper #:
  • 2012-01-1173

Published:
  • 2012-04-16
Citation:
Fitz, T., "Development of an Enhanced Accelerated Weathering Test Cycle for Automotive Coatings," SAE Int. J. Mater. Manf. 5(2):490-498, 2012, https://doi.org/10.4271/2012-01-1173.
Author(s):
Pages:
9
Abstract:
Laboratory accelerated weathering test methods, such as SAE J2527 and JIS D 0205, are used to predict long term durability in the development and approval of automotive coatings. However, recent studies have shown that these methods are deficient with respect to spectral match to sunlight, simulation of water, and temperature profile. These deficiencies can limit the confidence of the laboratory accelerated test, and as a result the user needs to rely more heavily on long term natural exposure results. To increase the confidence of laboratory accelerated weathering testing, a new xenon arc light source filter and test protocol were investigated. Through a combination of natural weathering studies and prototype method testing, an improved accelerated weathering test cycle has been developed. The key characteristics of the improved method include the application of a new light source filter for spectral match to sunlight in the UV spectrum and an optimized water spray cycle that can create realistic moisture related coating damage. This new method has enabled improved laboratory accelerated weathering test confidence while reducing the total accelerated weathering test time.
Access
Now
SAE MOBILUS Subscriber? You may already have access.
Buy
Select
Price
List
Download
$28.00
Mail
$28.00
Members save up to 42% off list price.
Share
HTML for Linking to Page
Page URL

Related Items

Standard
2006-11-13
Technical Paper / Journal Article
2011-05-17
Article
2017-07-26
Training / Education
2007-03-01
Event
2018-04-10
Technical Paper / Journal Article
2013-10-07
Training / Education
2009-12-15