Multilayer tube in ceramic matrix composite material, resulting nuclear fuel cladding and associated manufacturing processes
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United States of America Patent
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Jan 17, 2017
Grant Date -
Jun 5, 2014
app pub date -
Aug 1, 2012
filing date -
Aug 1, 2011
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Abstract
The invention relates to a multilayer tubular part (1) comprising a metal layer forming a metal tubular body (3) and two layers in ceramic matrix composite material covering the metal tubular body, wherein one of the two layers in ceramic matrix composite material covers the inner surface of the metal tubular body to form an inner tubular body (4), whilst the other of the two layers in ceramic matrix composite material covers the outer surface of the metal tubular body to form an outer tubular body (2), the metal tubular body therefore being sandwiched between the inner and outer tubular bodies. The metal tubular body is in metal or metal alloy. Finally, the metal tubular body has a mean thickness smaller than the mean thicknesses of the inner and outer tubular bodies. A said part is useful in particular for producing nuclear fuel claddings.
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