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Publication Information

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Title: Merging weather data with materials response data during outdoor exposure

Author: Williams, R. Sam; Sanadi, Anand; Halpin, Corey; White, Christopher;

Date: 2002

Source: Third International Woodcoatings Congress : Woodcoatings : Foundations for the Future : 28-30 October 2002, The Hague, The Netherlands : Congress papers. Tedding, Middlesex, UK : The Paint Research Association, 2002: 13 pages

Publication Series: Miscellaneous Publication

Description: As part of an outdoor exposure protocol for a study of sealants, a full weather station was installed at the Forest Products Laboratory field test site near Madison, Wisconsin. Tem-perature, relative humidity, rainfall, ultraviolet (UV) radiation at 18 different wavelengths, and wind speed and direction are continuously measured. Using a specially designed apparatus, sealant specimens are subjected to weather-induced cyclic movement. The load-deflection information and weather data can be correlated to yield information on critical factors affecting the materials performance. This report describes the instrumenta-tion of the outdoor test facility, the data collection system used for the study, and possible methods for analyzing the data. To establish a protocol for future work, two types of sea-lants (high and low modulus) were chosen for the initial phase of the work, to test the concept and to ensure that the specimen and weather data files could be accessed and manipulated. The results show a clear link between the materials response during weath-ering and the weather conditions causing this response. For the outdoor exposure used in this work, weather-induced cyclic fatigue of sealants and documentation of stress and strain during cyclic movement are critical aspects of the experiment.

Keywords: Scientific apparatus and instruments, materials testing laboratories, sealing compounds, weathering, weather, climatic changes, materials, deterioration, accelerated testing, accelerated life testing, buildings materials, service life

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Williams, R. Sam; Sanadi, Anand; Halpin, Corey; White, Christopher 2002. Merging weather data with materials response data during outdoor exposure. Third International Woodcoatings Congress : Woodcoatings : Foundations for the Future : 28-30 October 2002, The Hague, The Netherlands : Congress papers. Tedding, Middlesex, UK : The Paint Research Association, 2002: 13 pages

 


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