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首页> 外文期刊>Journal of Materials Science >Improvement of fatigue strength by using cavitating jets in air and water
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Improvement of fatigue strength by using cavitating jets in air and water

机译:通过在空气和水中使用空化射流来改善疲劳强度

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摘要

Peening method using cavitation impact at bubble collapse has been proposed. At the peening, cavitation bubble was normally generated by injecting a high-speed water jet into a water-filled chamber, i.e., a cavitating jet in water. In the present paper, the peening using a cavitating jet in air, which can generate the cavitation bubble without a water-filled chamber was investigated. It was revealed that the improvement of fatigue strength peened by the cavitating jet in air was better than that of the cavitating jet in water.
机译:已经提出了在气泡破裂时利用空化冲击的喷丸方法。在喷丸处理时,通常通过将高速水射流注入到充满水的腔室中,即在水中的空化射流,来产生空化气泡。在本文中,研究了使用空化射流在空气中进行喷丸处理的方法,这种方法可以在没有充水腔的情况下产生空化气泡。结果表明,空化射流在空气中产生的疲劳强度的改善要优于水中的空化射流。

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