Mahzad BastaniNejad

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This Article is brought to you for free and open access by the Mechanical & Aerospace Engineering at ODU Digital Commons. It has been accepted for inclusion in Mechanical & Aerospace Engineering Faculty Publications by an authorized administrator of ODU Digital Commons. For more information, please contact digitalcommons@odu.edu. Repository Citation(More)
Microscopic images of the surfaces of metallic electrodes used in high-pressure gas-filled 805 MHz RF cavity experiments are used to investigate the mechanism of RF breakdown. The images show evidence for melting and boiling in small regions of ~10 micron diameter on tungsten, molybdenum, and beryllium electrode surfaces. In these experiments, the dense(More)
An 805 MHz test cell that was originally designed to study the use of RF cavities pressurized with dense hydrogen gas for ionization cooling of muon beams has been used to study the electrical breakdown mechanisms of metallic surfaces. In these studies, the dense hydrogen gas absorbs dark currents and eliminates multipacting, which can complicate the(More)
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