Future Army gun systems will require lighter weight and significantly more erosion-resistant materials. One route to achieve this goal is via the development of ceramic matrix composite barrel liners with lightweight metal matrix composite jackets. Such materials systems are hybrids of a ceramic matrix composite/metal matrix composite (CMC/MMC), which can provide functionally graded properties. This paper will describe the materials system development, fabrication, and property validation testing of such a hybrid CMC/MMC for a 25-mm-bore, 915-mm-long, rifled barrel.
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Katz et al. (2006) studied this question.
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