b'cladding strain and thus eliminatesshow the machining capabilities. TheFigure 3. Slotted fuel pin with one the need for sodium. It may also beresults are shown in Figure 3. Againrounded slot, one square slot and feasible to directly cast this geometryit was found that the machine oil wasone triangular slot.using standard casting processes.unnecessary. This work developed a First the fuel slug was turned downuseful method for creating test fuels to smooth the surface. Then a millof differing geometries that can be attachment was placed on the hobbyincorporated into a drop in irradiation lathe and the slots were made alongtest. It will be useful moving forward the length of the fuel. First threeto have a variety of options for rounded slots were made then anotherchanging the fuel slug geometry.sample was made using different types of drill bits to make one rounded slot, one square slot and one triangular slot along the length of the fuel pin to 2019|AFC ACCOMPLISHMENTS 169'