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dc.contributor.author Programs, The Role of Analysis and Testing in Ion Engine Development en_US
dc.date.accessioned 2004-10-03T04:20:58Z
dc.date.available 2004-10-03T04:20:58Z
dc.date.issued 1995-09 en_US
dc.identifier.clearanceno 95-1042 en_US
dc.identifier.uri http://hdl.handle.net/2014/31182
dc.description.abstract Adequate performance was achieved relatively early in the development of ion engines and most subsequent development programs have focussed on demonstrating adequate engine life. The primary threats to engine reliability over the required service life are damage accumulation failure modes such as accelerator grid failure due to sputter erosion from charge exchange ions, erosion of discharge chamber components by lower energy ion sputtering and grid shorting by flakes of sputter-deposited material. These types of failure may typically be observed only after thousands of hours of operation. The purpose of this paper is to provide a critical review of the approaches used in past ion engine development programs to characterize and control these wearout failure mechanisms. en_US
dc.format.extent 9532 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US
dc.subject.other Ion Engine en_US


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