Atmospheric corrosivity assessment on the basis of standard specimens’ corrosion rates within the military air bases

Przeglad Komunikacyjny Pub Date : 2021-11-01 DOI:10.35117/a_eng_21_09_10_11_05

Aleksandra Pajurek, P. Iwanowski, D. Kowalska

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Abstract

Abstract: Atmospheric corrosion is one of the parameters characterizing the technical condition of the functional elements of airport pavements - it allows to determine the degree of pavement degradation, estimate the appropriate frequency of periodic inspections and take appropriate measures to keep airfield pavements in permanent technical availability. In order to determine the corrosion resistance of the cement and asphalt concrete airfield pavement, atmospheric corrosivity tests determined on the basis of standard specimens exposure and determination of corrosion rates, form and appearance of deteriorations, as well as changes in physical properties at regular intervals are carried out. The samples were exposed to atmospheric conditions at military airport facilities. The article presents the rcorr corrosion rate results of low-carbon steel, zinc, copper and aluminum standard specimens obtained from selected airports of the Polish Armed Forces, starting from 2015. Then, the corrosivity categories of the atmosphere were determined on the basis of the performed measurements. Keywords: Atmospheric corrosion; Corrosion rate; Standard specimens; Military air bases

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基于标准试件腐蚀速率的军用空军基地大气腐蚀性评价

摘要:大气腐蚀是表征机场路面功能要素技术状况的参数之一，它可以确定路面退化的程度，估计适当的定期检查频率，并采取适当的措施，使机场路面保持永久的技术可用性。为了确定水泥和沥青混凝土机场路面的耐腐蚀性，在标准试样暴露的基础上进行了大气腐蚀性试验，并定期测定腐蚀速率、腐蚀的形式和外观以及物理性能的变化。这些样本暴露在军用机场设施的大气条件下。本文介绍了从2015年开始从波兰武装部队选定的机场获得的低碳钢，锌，铜和铝标准样品的腐蚀速率结果。然后，根据所进行的测量确定了大气的腐蚀性类别。关键词:大气腐蚀;腐蚀速率;标准的标本;空军基地

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