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KMID : 0974620020200020499
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Bulletin of Dongnam Health University
2002 Volume.20 No. 2 p.499 ~ p.514
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A Study on a Corrosion Mechanism of Watersteel Pipes Using XRF, XRD, SEM
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Hwang Sang-Yong
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Abstract
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This experiment from March 1, 1998 to August 31, 2001 using XRD, XRF, SEM, EDS had effects as follows. l. According to the results of test using XRD and EDS, the main ingredient causing corrosion of steel pipe was Fe₂O₃, that of cast iron pipe was CaCO₃. 2. The main ingredient of corrosion products in a water pipe was Fe. On an average Fe occupied 93.36% of corrosion products in case of steel pipe while it did 85.47% in case of cast iron pipe. 3. In case of a piped water passed through SCALE BUSTER over 10 times, the corrosion products decreased largely by the galvanic effect and sacrifical anode caused by the concentration of Zn.
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KEYWORD
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