Patent ID: 7473326
Filing Date: 2009-01-06
Classification: C22C

Abstract:
1. A Ni-base directionally solidified superalloy consisting essentially of from 5.0 percent by weight to 7.0 percent by weight of Al, from 4.0 percent by weight to 16.0 percent by weight of Ta+Nb+Ti, wherein Ta is from 4.0 percent by weight to 5.8 percent by weight, from 1.0 percent by weight to 4.5 percent by weight of Mo, from 4.0 percent by weight to 8.0 percent by weight of W, from 3.0 percent by weight to 8.0 percent by weight of Re, 2.0 percent by weight or less of Hf, 10.0 percent by weight or less of Cr, 15.0 percent by weight or less of Co, from 1.0 percent by weight to 4.0 percent by weight of Ru, from 0.07 percent by weight to 0.2 percent by weight of C, from 0.015 percent by weight to 0.03 percent by weight of B, and Ni, and inevitable impurities as a balance.