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首页> 外文期刊>Journal of Materials Engineering and Performance >Field Study of Weather Conditions Affecting Atmospheric Corrosion by an Automobile-Carried Atmospheric Corrosion Monitor Sensor
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Field Study of Weather Conditions Affecting Atmospheric Corrosion by an Automobile-Carried Atmospheric Corrosion Monitor Sensor

机译：汽车携带的大气腐蚀监测传感器影响大气腐蚀的天气条件的田间研究

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摘要

The atmospheric corrosion of iron and steels not only affects the safety of infrastructures but also destroys the appearances and ornamental appreciations. The corrosivity of an environment can suggest such information that is useful for corrosion protection design and maintenance. The classical exposure test method is applicable to the evaluation of atmospheric corrosivity, but it takes a long time and can't tell the evolution of corrosivity over a period of time. Atmospheric corrosion monitor (ACM) has been proved to be an effective method to investigate the corrosivity of atmospheric environment. However, unfortunately, the experiences of the authors of this paper show that the output by measuring current is interfered by the noise when the sensor is dry, and it is often difficult to differentiate it from the background signals, while the corrosion process is still going on the sensor surface. In this paper, a Fe-Zn ACM sensor was modified by connecting a larger resistor in parallel and measuring the electromotive force. Laboratory experiments and field tests revealed the influence of temperature, RH and rainfall on the ACM outputs, verifying the applicability of the modified sensor for the monitoring of the corrosivity variations in a region.
机译：铁和钢的大气腐蚀不仅影响基础设施的安全性，而且破坏了外表和装饰欣赏。环境的腐蚀性可以提出可用于腐蚀保护设计和维护的这些信息。经典的曝光试验方法适用于大气腐蚀性的评估，但需要很长时间，不能在一段时间内讲述腐蚀性的演变。已经证明了大气腐蚀监测器（ACM）是研究大气环境腐蚀性的有效方法。然而，遗憾的是，本文作者的经验表明，当传感器干燥时，通过测量电流的输出干扰，并且通常难以将其与背景信号区分开，而腐蚀过程仍然存在在传感器表面上。本文通过将较大的电阻平行连接并测量电动势来修改Fe-Zn ACM传感器。实验室实验和现场测试揭示了温度，RH和降雨对ACM输出的影响，验证了改进的传感器的适用性，以监测一个地区的腐蚀性变化。

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