Silicon carbide bodies and their production
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United States of America Patent
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Nov 17, 1981
Grant Date -
N/A
app pub date -
Apr 25, 1980
filing date -
May 8, 1979
priority date (Note) -
Expired
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Abstract
A reaction-sintered silicon carbide body having portions differing from each other in free silicon content and such a body with a surface layer rendered more readily abradable than the remainder of the body by the removal of free silicon from the surface layer. It has a particular application in the provision of shrouds for gas turbines, which can be produced by slip-casting in two stages.
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