US Patent Issued to AB Sandvik Coromant on Oct. 20 for "Gradient cemented carbide with alternative binder" (Swedish Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,766,605, issued on Oct. 20, was assigned to AB Sandvik Coromant (Sandviken, Sweden).

"Gradient cemented carbide with alternative binder" was invented by Veronica Collado Cipres (Stockholm) and Jose Luis Garcia (Stockholm).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cemented carbide having an eta phase and a Ni-Al binder is provided. The binder includes intermetallic Gamma'-Ni3Al-precipitates embedded in a substitutional solid solution matrix including Al and Ni. Further, the cemented carbide has a surface zone free from eta phase. A method of making a cutting tool is also provided."

The patent was filed on Dec. 15, 2020, under Application No. 17/78...