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The effect of time variation on the steels corrosion rate in 0.5 M H2SO4 solution
Abstract
Previous researches have carried out studying the corrosion behavior of steels, the most frequently
used steels are medium carbon steel, alloy steel, and stainless steel. This is due to their wide range
application. So, corrosion behavior is necessary to be analyzed for every steel type because of its
wide function. This study was aimed to analyze the corrosion rate, macrostructure, and the XRD
results of the AISI 1045, AISI 4140, and SS 304 which represent every steel type. Then, the steels
were exposed to the 0.5M H2SO4 solution with various corrosion times. The variation of the
corrosion time was 48, 96, and 144 hours. The results of this study revealed that AISI 1045 showed
the highest corrosion rate with the value of 183.7 mpy at 144 hours of the time variation. All
specimens obtained the increase in the corrosion rate with the increase in the corrosion time.
Furthermore, for the macrostructure results, AISI 1045 and AISI 4140 gave obvious rust on the
surface of the specimens for all time variation. The corrosion spots appear in the time variation of
96 and 144 hours for SS 304 specimens. XRD analysis confirmed the presence of metal oxides as
corrosion products.
Keywords: AISI 1045, AISI 4140, SS 304, corrosion time, sulfuric acid, x-ray diffraction
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Detail Information
- Series Title
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- Call Number
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621.8
- Publisher
- Surabaya : Institut Teknologi Adhi Tama Surabaya., 2021
- Collation
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- Language
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English
- ISBN/ISSN
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2776-3536
- Classification
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621.8
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- Media Type
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- Edition
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- Statement of Responsibility
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