US Patent Issued to Siemens Energy on July 15 for "Nickel based superalloy braze filler" (North Carolina, Florida Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,358,083, issued on July 15, was assigned to Siemens Energy Inc. (Orlando, Fla.).

"Nickel based superalloy braze filler" was invented by Thaddeus Strusinski (Pfafftown, N.C.) and Matthew H. Lang (Orlando, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A weld filler is proposed which significantly improves the weldability of some nickel-based superalloys and includes the following constituents (in wt %): 11.2%-15.6% chromium (Cr), 9.6%-11.4% cobalt (Co) 2.4%-5.0%, molybdenum (Mo) 0.1%-3.3%, 4.4%-7.5% tungsten (W), 1.4%-2.6% tantalum (Ta), 3.0%-4.8% aluminum (Al), 0.4-1.0% titanium (Ti), 0.07%-0.08% carbon (C), 0.5%-1.4% hafnium (Hf), trace elements, ...