Weathering test method and sample holder used therein

Details Weathering test method and sample holder used therein Weathering test method and sample holder used therein

1992-11-25

1994-04-26

Woodiel, Donald O.

Measuring and testing

Embrittlement or erosion

73856, 738656, G01N 1700

Patent

active

053056345

ABSTRACT:
A weather-fastness test method utilizing a novel sample holder and constituted by the steps of fixing the sample to the holder which is provided with metal coils the shape of which varies in accordance with the variation in the temperature of the ambient air and the radiation heat from a light source and which are connected so as to apply a force to the sample as the temperature changes, placing the sample under predetermined conditions, e.g. exposing the sample to radiation by light, to air having a temperature and humidity of predetermined levels, and to rain, while the sample is under repeated tension, compressive force and/or bending stress due to the variation of the shape of the coils and imparted to the sample, and then evaluating the weather-fastness resistance of the sample.

REFERENCES:
patent: 2270389 (1942-01-01), Straus et al.
patent: 3504535 (1970-04-01), Cobb et al.
patent: 3922903 (1975-12-01), Bornstein et al.
patent: 4566335 (1986-01-01), Singhal
patent: 4704903 (1987-11-01), Suga et al.
Japanese publication: Japanese Industrial Standard JIS D 0205, 1987.
Japanese publication: Japanese Industrial Standard JIS Z 8730, 1980.

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