Tampere University of Technology

TUTCRIS Research Portal

UV exposure in artificial and natural weathering: A comparative study

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Standard

UV exposure in artificial and natural weathering : A comparative study. / Heikkilä, A.; Kazadzis, S.; Meinander, O.; Vaskuri, A.; Kärhä, P.; Mylläri, V.; Syrjälä, S.; Koskela, T.

RADIATION PROCESSES IN THE ATMOSPHERE AND OCEAN (IRS2016): Proceedings of the International Radiation Symposium (IRC/IAMAS). American Institute of Physics, 2017. 110004 (AIP conference proceedings; Vol. 1810).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Harvard

Heikkilä, A, Kazadzis, S, Meinander, O, Vaskuri, A, Kärhä, P, Mylläri, V, Syrjälä, S & Koskela, T 2017, UV exposure in artificial and natural weathering: A comparative study. in RADIATION PROCESSES IN THE ATMOSPHERE AND OCEAN (IRS2016): Proceedings of the International Radiation Symposium (IRC/IAMAS)., 110004, AIP conference proceedings, vol. 1810, American Institute of Physics, International Radiation Symposium, 1/01/00. https://doi.org/10.1063/1.4975566

APA

Heikkilä, A., Kazadzis, S., Meinander, O., Vaskuri, A., Kärhä, P., Mylläri, V., ... Koskela, T. (2017). UV exposure in artificial and natural weathering: A comparative study. In RADIATION PROCESSES IN THE ATMOSPHERE AND OCEAN (IRS2016): Proceedings of the International Radiation Symposium (IRC/IAMAS) [110004] (AIP conference proceedings; Vol. 1810). American Institute of Physics. https://doi.org/10.1063/1.4975566

Vancouver

Heikkilä A, Kazadzis S, Meinander O, Vaskuri A, Kärhä P, Mylläri V et al. UV exposure in artificial and natural weathering: A comparative study. In RADIATION PROCESSES IN THE ATMOSPHERE AND OCEAN (IRS2016): Proceedings of the International Radiation Symposium (IRC/IAMAS). American Institute of Physics. 2017. 110004. (AIP conference proceedings). https://doi.org/10.1063/1.4975566

Author

Heikkilä, A. ; Kazadzis, S. ; Meinander, O. ; Vaskuri, A. ; Kärhä, P. ; Mylläri, V. ; Syrjälä, S. ; Koskela, T. / UV exposure in artificial and natural weathering : A comparative study. RADIATION PROCESSES IN THE ATMOSPHERE AND OCEAN (IRS2016): Proceedings of the International Radiation Symposium (IRC/IAMAS). American Institute of Physics, 2017. (AIP conference proceedings).

Bibtex - Download

@inproceedings{68c6df4c2e8c4e74b6f7a9bf918b3691,
title = "UV exposure in artificial and natural weathering: A comparative study",
abstract = "We report on a study focusing on UV exposure conditions in three different types of chambers used for accelerated ageing of materials. The first chamber is equipped with four 300-W UVA/UVB mercury vapour lamps (Ultra-Vitalux/Osram). The second chamber uses four 40-W UVA fluorescent lamps (QUV-340/Q-Lab). The third chamber is Weather-Ometer Ci3000+ from Atlas with a 4500-W xenon arc lamp. UV irradiance prevailing in each chamber was measured using Bentham DM150 double monochromator spectroradiometer. The results were compared to measurements of solar spectral UV irradiance at Jokioinen, Finland, with a Brewer MkIII double monochromator spectrophotometer. The spectral shapes of the exposing UV radiation in the different chambers were found to notably differ from each other and from the solar UV spectrum. Both spatial inhomogeneities and temporal variability caused by various factors, like the ageing of the lamps, were detected. The effects were found to strongly depend on wavelength of the exposing UV radiation. The findings of this study underline the necessity of careful characterization of the UV exposure conditions provided by the facilities used in accelerated testing of materials.",
author = "A. Heikkil{\"a} and S. Kazadzis and O. Meinander and A. Vaskuri and P. K{\"a}rh{\"a} and V. Myll{\"a}ri and S. Syrj{\"a}l{\"a} and T. Koskela",
year = "2017",
month = "2",
day = "22",
doi = "10.1063/1.4975566",
language = "English",
series = "AIP conference proceedings",
publisher = "American Institute of Physics",
booktitle = "RADIATION PROCESSES IN THE ATMOSPHERE AND OCEAN (IRS2016): Proceedings of the International Radiation Symposium (IRC/IAMAS)",

}

RIS (suitable for import to EndNote) - Download

TY - GEN

T1 - UV exposure in artificial and natural weathering

T2 - A comparative study

AU - Heikkilä, A.

AU - Kazadzis, S.

AU - Meinander, O.

AU - Vaskuri, A.

AU - Kärhä, P.

AU - Mylläri, V.

AU - Syrjälä, S.

AU - Koskela, T.

PY - 2017/2/22

Y1 - 2017/2/22

N2 - We report on a study focusing on UV exposure conditions in three different types of chambers used for accelerated ageing of materials. The first chamber is equipped with four 300-W UVA/UVB mercury vapour lamps (Ultra-Vitalux/Osram). The second chamber uses four 40-W UVA fluorescent lamps (QUV-340/Q-Lab). The third chamber is Weather-Ometer Ci3000+ from Atlas with a 4500-W xenon arc lamp. UV irradiance prevailing in each chamber was measured using Bentham DM150 double monochromator spectroradiometer. The results were compared to measurements of solar spectral UV irradiance at Jokioinen, Finland, with a Brewer MkIII double monochromator spectrophotometer. The spectral shapes of the exposing UV radiation in the different chambers were found to notably differ from each other and from the solar UV spectrum. Both spatial inhomogeneities and temporal variability caused by various factors, like the ageing of the lamps, were detected. The effects were found to strongly depend on wavelength of the exposing UV radiation. The findings of this study underline the necessity of careful characterization of the UV exposure conditions provided by the facilities used in accelerated testing of materials.

AB - We report on a study focusing on UV exposure conditions in three different types of chambers used for accelerated ageing of materials. The first chamber is equipped with four 300-W UVA/UVB mercury vapour lamps (Ultra-Vitalux/Osram). The second chamber uses four 40-W UVA fluorescent lamps (QUV-340/Q-Lab). The third chamber is Weather-Ometer Ci3000+ from Atlas with a 4500-W xenon arc lamp. UV irradiance prevailing in each chamber was measured using Bentham DM150 double monochromator spectroradiometer. The results were compared to measurements of solar spectral UV irradiance at Jokioinen, Finland, with a Brewer MkIII double monochromator spectrophotometer. The spectral shapes of the exposing UV radiation in the different chambers were found to notably differ from each other and from the solar UV spectrum. Both spatial inhomogeneities and temporal variability caused by various factors, like the ageing of the lamps, were detected. The effects were found to strongly depend on wavelength of the exposing UV radiation. The findings of this study underline the necessity of careful characterization of the UV exposure conditions provided by the facilities used in accelerated testing of materials.

U2 - 10.1063/1.4975566

DO - 10.1063/1.4975566

M3 - Conference contribution

T3 - AIP conference proceedings

BT - RADIATION PROCESSES IN THE ATMOSPHERE AND OCEAN (IRS2016): Proceedings of the International Radiation Symposium (IRC/IAMAS)

PB - American Institute of Physics

ER -