US Patent Issued to SHANGHAI REINPHEN COMPOSITE MATERIALS on March 17 for "Method of surface friction treatment of ceramic-reinforced aluminum matrix composite brake disc" (Chinese Inventor)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,680, issued on March 17, was assigned to SHANGHAI REINPHEN COMPOSITE MATERIALS Co. LTD. (Shanghai).

"Method of surface friction treatment of ceramic-reinforced aluminum matrix composite brake disc" was invented by Dingquan Zhang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a method of surface friction treatment of a ceramic-reinforced aluminum matrix composite brake disc. By means of the surface friction treatment, a layer of restructured film is formed on a friction surface of the ceramic-reinforced aluminum matrix composite brake disc. Surface friction will form abrasive particles comprising aluminum a...