Battelle Energy Alliance, LLC

Donna P Guillen

Douglas Lloyd Porter

Robert Vincent Fox

W David Swank

James R Parry

Arnold W Erickson

Dennis S Tucker

Glen R Longhurst

Troy B Holland

A method of forming an article comprises forming a feed material around one or more shapeholders and sintering the feed material and the one or more shapeholders to form a sintered article comprising the one or more shapeholders in a base material. The sintered article is exposed to a solvent to remove the one or more shapeholders from the base material. Additional methods are disclosed, as well as articles including one or more microchannels exhibiting a diameter of from about 5 μm to about 10 mm.

Methods of forming articles including microchannels therein, and related articles

Methods of forming at least a portion of a neutron absorber include combining a first material and a second material to form a compound, reducing the compound into a plurality of particles, mixing the plurality of particles with a third material, and pressing the mixture of the plurality of particles and the third material. One or more components of neutron absorbers may be formed by such methods. Neutron absorbers may include a composite material including an intermetallic compound comprising hafnium aluminide and a matrix material comprising pure aluminum.

Neutron absorbers and methods of forming at least a portion of a neutron absorber

A conduction cooled neutron absorber may include a metal matrix composite that comprises a metal having a thermal neutron cross-section of at least about 50 barns and a metal having a thermal conductivity of at least about 1 W/cm&#xb7;K. Apparatus for providing a neutron flux having a high fast-to-thermal neutron ratio may include a source of neutrons that produces fast neutrons and thermal neutrons. A neutron absorber positioned adjacent the neutron source absorbs at least some of the thermal neutrons so that a region adjacent the neutron absorber has a fast-to-thermal neutron ratio of at least about 15. A coolant in thermal contact with the neutron absorber removes heat from the neutron absorber.

Methods for absorbing neutrons

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Idaho Falls, ID, United States of America

Donna P Guillen