%0 Generic %A Tewari, Surendra, %E Rajamure, Ravi, %E Angart, Samuel, %E Grugel, Richard N., %E Lauer, Mark, %E Poirier, David, %T Evaluation of Primary Dendrite Arm Spacings from Aluminum-7wt% Silicon Alloys Directionally Solidified Aboard the International Space Station - Comparison with Theory. %U http://hdl.handle.net/2060/20150022321