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首页> 外文会议>Society for Machinery Failure Prevention Technology Meeting; 20050418-21; Virginia Beach,VA(US) >PREDICTIVE ANALYSIS OF CORROSION
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PREDICTIVE ANALYSIS OF CORROSION

机译：腐蚀的预测分析

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摘要

One of the biggest problems faced by the U.S. Navy is corrosion. From the harsh environments experienced shipboard to erosion corrosion of gun barrels, there are continuing efforts to extend the life of products, reduce costs, and maintain superior quality. One way to achieve all these goals is to accurately predict corrosive environments and corrosion rates, and effectively minimize such atmospheres. The corrosive environments can be improved in several ways, innovative protective coatings, new materials, better monitoring, and new technologies to better predict corrosion and how it affects a given material. Predicting corrosion allows for service lives to be extended and maintenance costs to be reduced by knowing ahead of time what to expect and at what rate changes will occur. Peltier sensors and heat flow microcalorimetry (HFMC) allow for a determination if an environment is corrosive, the corrosion rate, and the predicted life of the test coupon. HFMC allows for service life predictions as opposed to the current salt flog testing which gives little meaningful data other than an item's condition after 48 hour exposure. The following study details how HFMC was able to determine the corrosive effects of several propellant formulations on gun barrel steel to aid in a product improvement plan. The HFMC analysis was coupled with standard chemical and metallurgical tests to validate the data.
机译：美国海军面临的最大问题之一是腐蚀。从恶劣的船上环境到枪管的腐蚀，人们一直在努力延长产品的使用寿命，降低成本并保持卓越的质量。实现所有这些目标的一种方法是准确预测腐蚀环境和腐蚀速率，并有效地减少这种气氛。腐蚀环境可以通过多种方式加以改善，包括创新性的保护涂层，新材料，更好的监控以及可以更好地预测腐蚀及其对给定材料的影响的新技术。通过预测腐蚀，可以提前知道将要发生的情况和发生的变化率，从而延长使用寿命并降低维护成本。珀耳帖传感器和热流微量热法（HFMC）可以确定环境是否具有腐蚀性，腐蚀速率以及测试试样的预计寿命。 HFMC可以进行使用寿命预测，而与当前的盐渍测试相反，该盐渍测试除了暴露48小时后的物品状况，几乎没有提供有意义的数据。以下研究详细介绍了HFMC如何确定几种推进剂配方对枪管钢的腐蚀作用，以帮助制定产品改进计划。 HFMC分析与标准化学和冶金测试相结合以验证数据。

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