Neutron- absorbing composite material and its production process

Compositions – X-ray or neutron shield

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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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