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Article: Service life prediction models: xenon arc Weather-Ometers and proper DOE offer a powerful tool to weathering researchers.(Instrumentation & Equipment)(Report)
- Article from:
- Laboratory Equipment
- Article date:
- December 1, 2007
- Author:
CopyrightCOPYRIGHT 2007 Advantage Business Media. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Introduction
Manufacturers can easily build service life prediction models for weathering studies using xenon arc Weather-Ometers and proper design of experiment (DOE). These models can then be used by inputting environmental data from the outdoor exposure location for which you wish to predict service life. This article describes a weathering service life prediction model built in the lab for yellowing of unprotected polycarbonate. Atlas Material Testing Technology used it to predict weathering service life in South Florida and Arizona. The results showed good agreement between predicted and observed service life.
Building the Model
The first ...
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