Compositions – X-ray or neutron shield
Patent
1996-12-05
1998-06-30
Tucker, Philip
Compositions
X-ray or neutron shield
501 49, C04B 3566, C09K 300
Patent
active
057729220
ABSTRACT:
The invention relates to a neutron-absorbing composite material and its production process.
This material comprises a ceramic homogeneous matrix, e.g. of boron carbide B.sub.4 C or BN, in which are dispersed calibrated or uncalibrated, e.g. 100 to 500 .mu.m pseudospherical clusters (3) formed from refractory metals such as Mo, molybdenum boride and/or B.sub.4 C.
As a result of the presence of these clusters, improved mechanical properties are obtained compared with those of pure B.sub.4 C.
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Chatillon Jacques
Decroix Guy-Marc
Fraslin Yann
Noaillac Daniele
Commissariat a l''Energie Atomique
Tucker Philip
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