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Uranium-niobium alloys can exist with significantly different microstructures and mechanical properties, heavily influenced by thermomechanical processing history and impurities. Here, the influence of Ti and other impurities is studied on uranium-14at.% niobium additively manufactured using laser powder bed fusion. Two different metallic impurity levels were investigated and a Nb equivalent (Nbeq...
As a continuation of earlier work on thermal expansion in extruded porous cordierite honeycombs, high-temperature neutron diffraction allowed us to observe lattice strains as a function of temperature. The transfer of grain microstrain (and stress) between the main (orthorhombic) cordierite phase and the minority spinel phase could be experimentally captured and rationalized by simple stress balance...
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