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首页> 外文期刊>International journal of mechanical and production engineering research and development >A STUDY OF ESTIMATING THE AMOUNT OF CORROSION TO STEEL PLATES OF OIL STORAGE TANKS IN BAI-HASSAN OIL FIELD IN KIRKUK
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A STUDY OF ESTIMATING THE AMOUNT OF CORROSION TO STEEL PLATES OF OIL STORAGE TANKS IN BAI-HASSAN OIL FIELD IN KIRKUK

机译：KIRKUK百哈桑油田储油罐钢板腐蚀量的研究

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摘要

The steel plate Grade S355GT st52 of KAR Group is used for the construction of storage tanks for oil works in KAR storage tanks. In this study we have found out the chemical and physical changes of the welded steel plate after the damage happened due to the ISIS attack in Bai-Hassan in Kirkuk. After receiving the samples of burned and heated steel plates, it has been machined the samples for tensile, hardness, chemical analysis and microstructural analysis. The plate thickness is reduced in certain areas of the plate due to oxidation at high temperatures of the material occurred especially at the weld area and the thickness of the plate is found to be between 13 and 18 mm. Due to the coarsening of the microstructure and the development of Widmanstatten ferrite which is a weak and undesirable microstructure has been seen in the microstructure of this steel. Extraction of Acoustic Emission (AE) signal features (magnitude, power, hit, time period and rise period varies with time and the relation between them) will use for identifying the corrosion level and diagnosing the type of corrosion of the steel plates of oil storage tank, and moreover to measure the corrosion severity of the complete storage tank.
机译：KAR组的钢板级S355GT ST52用于在KAR储罐中施工储罐。在这项研究中，我们发现焊接钢板后的化学和物理变化，因为在Kirkuk的白哈桑的ISIS攻击导致后发生了损坏。在接收到燃烧和加热钢板的样品后，它已经加工了用于拉伸，硬度，化学分析和微观结构分析的样品。由于在焊接区域的高温下氧化在焊接区域的高温下，板厚度在板的某些区域中减小，并且发现板的厚度为13至18mm。由于在该钢的微观结构中看到了一种微观结构的微观结构和Widmantatten铁氧体的发育，这是一种弱和不希望的微观结构。声发射（AE）信号特征的提取（幅度，功率，命中，时间段和上升周期随时间而变化，它们之间的关系）将用于识别腐蚀水平并诊断储油钢板的腐蚀类型此外，坦克，以及测量完整储罐的腐蚀严重程度。

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