高温和超音速环境下枪管腔上不同涂层对热化学侵蚀的抑制作用

Shuli Li, Guolai Yang, Liqun Wang, Liguo Xue
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引用次数: 0

摘要

探索热化学侵蚀机理、抑制热化学侵蚀反应对提高枪管武器的使用寿命至关重要。由于枪管武器的高温和超音速环境,目前对其热化学侵蚀的研究仅停留在最后失效的时刻。本文设计了一种侵蚀模拟装置来模拟恶劣的发射环境,并通过可移动样品组合来研究侵蚀机理。可移动样品包括五种类型:火炮钢样品、镀铬涂层样品、激光冲击强化镀铬涂层样品、钽磁控溅射涂层样品和纳米增强涂层样品。通过 200 次侵蚀实验,样品出现了不同程度的侵蚀加速度,其中激光冲击强化镀铬涂层样品裂纹最少,缓蚀性能最好。此外,还设计了直径为 80、100 和 120 μm 的激光冲击强化镀铬涂层样品,侵蚀实验表明 80 μm 样品的缓蚀性能最佳。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Inhibition of thermochemical erosion by different coatings attached to the barrel chamber at high temperature and supersonic environments
Exploring the thermochemical erosion mechanism and inhibiting the thermochemical erosion reaction is essential to improve the service life of the barrel weapon. Due to high temperature and supersonic environments of the barrel weapon, the current research on its thermochemical erosion has only stopped at the final failure moment. This paper designs an erosion analog device to simulate harsh launch environments and to investigate the erosion mechanism through a combination of removable samples. The removable samples consist of five types: artillery steel sample, Cr-plated coating sample, Cr-plated coating with laser shock peening sample, tantalum magnetron sputtering coating sample, and nano-enhanced coating sample. With 200 times erosion experiments, samples have appeared with different degrees of erosion acceleration, in which the Cr-plated coating with laser shock peening sample has the least cracks and the best corrosion inhibition performance. In addition, Cr-plated coating with laser shock peening samples with diameters of 80, 100, and 120 μm are designed, and the erosion experiments reveal that the 80 μm sample shows the best erosion inhibition performance.
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