US8038764B2 - Rhenium recovery from superalloys and ...
US8038764B2 US12/626,973 US62697309A US8038764B2 US 8038764 B2 US8038764 B2 US 8038764B2 US 62697309 A US62697309 A US 62697309A US 8038764 B2 US8038764 B2 US 8038764B2 Authority US United States Prior art keywords rhenium superalloy scrap grinding feedstock Prior art date Legal status (The legal status is an assumption and is not …