creator Hill, Vernon L. creator Nichols, Harry R. Hafnium tantalum alloy containing about 15 and about 35 weight percent tantalum, between about 0.03 and about 2.0 weight percent boron, and at least one additional alloying agent selected from chromium, silicon and aluminum. Submitted by Aric Ahrens (ahrens@iit.edu) on 2011-09-13T18:14:02Z No. of bitstreams: 1 3622309.pdf: 184436 bytes, checksum: b2b782d6108eb5398ea222e382b98214 (MD5) Made available in DSpace on 2011-09-13T18:14:02Z (GMT). No. of bitstreams: 1 3622309.pdf: 184436 bytes, checksum: b2b782d6108eb5398ea222e382b98214 (MD5) Previous issue date: 1971-11-23 IIT Research Institute 2009-04-27 1971-11-23 3,622,309 http://hdl.handle.net/10560/2202 en United States Patent Patent reformatted digital application/pdf No Copyright - United States http://rightsstatements.org/page/NoC-US/1.0/ Open Access