2018
DOI: 10.2320/matertrans.m-m2018840
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Verification of the Inhibitory Effect of the Aquo-Siloxane Method on Material Migration in Porous Rock Using the µ-Focus X-ray Computed Tomography Method

Abstract: have introduced a new method, the Aquo-Siloxane method, to protect stone heritage sites. The application procedure of the method is very simple and it has been applied to several stone heritage sites. Here, one-dimensional diffusion tests using potassium iodide solution were conducted on two types of porous rock samples, Berea sandstone and Kimachi sandstone. The Aquo-Siloxane treatment was applied to the rock samples, and its inhibitory effect on diffusion phenomena was verified. The characteristic point of t… Show more

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Cited by 2 publications
(3 citation statements)
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“…The migration of water and solutes throughout the rock pore space is generally considered to be one of the main reasons for the natural stone decay. In this research area, 4D X-ray micro-CT can be used, for example, to verify the inhibitory and preservation effects of hydrophobic agents reducing the permeability of rock surfaces and/or to study the dynamics of the crystallisation of harmful salts in the pores of geomaterials [38][39][40][41].…”
Section: Introductionmentioning
confidence: 99%
“…The migration of water and solutes throughout the rock pore space is generally considered to be one of the main reasons for the natural stone decay. In this research area, 4D X-ray micro-CT can be used, for example, to verify the inhibitory and preservation effects of hydrophobic agents reducing the permeability of rock surfaces and/or to study the dynamics of the crystallisation of harmful salts in the pores of geomaterials [38][39][40][41].…”
Section: Introductionmentioning
confidence: 99%
“…For each case, a histogram of the grayscale was obtained, and subtraction between these two histograms was performed; the histogram under the KI saturated condition device-specific scan mode. To avoid this problem, Sato, et al [16] evaluated the relationship between the mean grayscale values and mean density of different materials, such as air, water, and rocks, from 10% to 30% KI solution. The slope of the KI solution (see Equation (1)) was found to be markedly larger than the slope evaluated among air, water, and rocks.…”
Section: Evaluation Of the Porosity And Replacement Ratio Histogram Subtraction Methods For The 3d Ct Datamentioning
confidence: 99%
“…Because the grayscale values are influenced by the tomography conditions, X-ray tomography was conducted using the same size of samples under the same tomography conditions. In this study, all CT images were captured using the sample size and the same tomography conditions indicated by Sato, et al [16]. The value of S KI = 5.12 m 3 /kg was used in this study; this value also indicates the density resolution of the µ-focus X-ray CT scanner used in this study under the tomography conditions stated above.…”
Section: Evaluation Of the Porosity And Replacement Ratio Histogram Subtraction Methods For The 3d Ct Datamentioning
confidence: 99%