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Performances of highly insulated compact zinc roofs under a humid-moderate climate, part II: corrosion behavior

R Zheng, Arnold Janssens UGent, J Carmeliet, W Bogaerts and H Hens (2011) JOURNAL OF BUILDING PHYSICS. 34(3). p.277-293
abstract
In the first paper (Zheng et al., 2010), the hygrothermal performance of highly insulated flat compact zinc roofs was assessed. This article evaluates the zinc sheeting corrosion behavior of the roofs. After an exposure of 28 months, little corrosion occurred at the sheeting upside. However, serious pitting corrosion developed at the sheeting underside. The maximum pit depths measured in the samples (0.5 x 0.7m(2)) collected from each roof were between 124 and 209 mu m. The main corrosion products identified were Zn-5(CO3)(2)(OH)(6) and ZnO. It was found that less condensation deposit at the sheeting underside did not guarantee a reduction in underside corrosion. The wetting/drying cycling at the sheeting underside played a very important role in the corrosion process. The results show that, in addition to the reduction of the sheeting underside TOW (time of wetness), the number of wetting/drying cycles should also be decreased.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
condensation, metallic roofs, extreme value statistics, durability, corrosion
journal title
JOURNAL OF BUILDING PHYSICS
J. Build Phys.
volume
34
issue
3
pages
277 - 293
Web of Science type
Article
Web of Science id
000285743400005
JCR category
CONSTRUCTION & BUILDING TECHNOLOGY
JCR impact factor
0.714 (2011)
JCR rank
25/56 (2011)
JCR quartile
2 (2011)
ISSN
1744-2591
DOI
10.1177/1744259110370853
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
1202115
handle
http://hdl.handle.net/1854/LU-1202115
date created
2011-04-05 11:37:00
date last changed
2016-12-19 15:38:01
@article{1202115,
  abstract     = {In the first paper (Zheng et al., 2010), the hygrothermal performance of highly insulated flat compact zinc roofs was assessed. This article evaluates the zinc sheeting corrosion behavior of the roofs. After an exposure of 28 months, little corrosion occurred at the sheeting upside. However, serious pitting corrosion developed at the sheeting underside. The maximum pit depths measured in the samples (0.5 x 0.7m(2)) collected from each roof were between 124 and 209 mu m. The main corrosion products identified were Zn-5(CO3)(2)(OH)(6) and ZnO. It was found that less condensation deposit at the sheeting underside did not guarantee a reduction in underside corrosion. The wetting/drying cycling at the sheeting underside played a very important role in the corrosion process. The results show that, in addition to the reduction of the sheeting underside TOW (time of wetness), the number of wetting/drying cycles should also be decreased.},
  author       = {Zheng, R and Janssens, Arnold and Carmeliet, J and Bogaerts, W and Hens, H},
  issn         = {1744-2591},
  journal      = {JOURNAL OF BUILDING PHYSICS},
  keyword      = {condensation,metallic roofs,extreme value statistics,durability,corrosion},
  language     = {eng},
  number       = {3},
  pages        = {277--293},
  title        = {Performances of highly insulated compact zinc roofs under a humid-moderate climate, part II: corrosion behavior},
  url          = {http://dx.doi.org/10.1177/1744259110370853},
  volume       = {34},
  year         = {2011},
}

Chicago
Zheng, R, Arnold Janssens, J Carmeliet, W Bogaerts, and H Hens. 2011. “Performances of Highly Insulated Compact Zinc Roofs Under a Humid-moderate Climate, Part II: Corrosion Behavior.” Journal of Building Physics 34 (3): 277–293.
APA
Zheng, R., Janssens, A., Carmeliet, J., Bogaerts, W., & Hens, H. (2011). Performances of highly insulated compact zinc roofs under a humid-moderate climate, part II: corrosion behavior. JOURNAL OF BUILDING PHYSICS, 34(3), 277–293.
Vancouver
1.
Zheng R, Janssens A, Carmeliet J, Bogaerts W, Hens H. Performances of highly insulated compact zinc roofs under a humid-moderate climate, part II: corrosion behavior. JOURNAL OF BUILDING PHYSICS. 2011;34(3):277–93.
MLA
Zheng, R, Arnold Janssens, J Carmeliet, et al. “Performances of Highly Insulated Compact Zinc Roofs Under a Humid-moderate Climate, Part II: Corrosion Behavior.” JOURNAL OF BUILDING PHYSICS 34.3 (2011): 277–293. Print.