Study on Measurement Method of Diffusion Coefficient of Water in the Process of Dehydration for the Corroded Wooden Building Materials

Hong Yi Wang; Wu Xiu Ding

doi:10.4028/www.scientific.net/AMR.461.629

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 461Study on Measurement Method of Diffusion...

Study on Measurement Method of Diffusion Coefficient of Water in the Process of Dehydration for the Corroded Wooden Building Materials

Abstract:

The diffusion coefficient is one of the basic physical parameters of reflecting the property of wooden building materials, and it is the indispensable datum to calculate the dehydration time, estimate qualitatively the corrosion extent, provide the theoretical parameters for the protection technoiogy of the wooden building materials. The method of measuring diffusion coefficient of the wooden building materials is provided on the basis of Fick’s second law in this paper. The diffusion coefficient can be calculated using the given method by measuring the dehydration time, the initial water content and the stable water content after dehydration. The testing method is simple and feasible. Take a wooden materials for example, the experimental result is analyzed which indicates that the measurement method is reasonable.

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Periodical:

Advanced Materials Research (Volume 461)

Pages:

629-632

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.461.629

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Online since:

February 2012

Authors:

Hong Yi Wang, Wu Xiu Ding

Keywords:

Corrosion, Dehydration, Diffusion Coefficient, Measuring Method, Wooden Building Materials

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