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  • 专利标题:   Graphene-enhanced-titanium alloy drill comprises iron, aluminum, graphene, and rest is titanium and unavoidable impurities, which is prepared by adding pure iron, pure aluminum, titanium and graphene suspension by vacuum fusion casting.
  • 专利号:   CN109487120-A
  • 发明人:   JIANG L, FENG C, HAN L, LIU Y, LI F, PAN Z, ZHU L, LU C, WANG H, XU X
  • 专利权人:   CHINA NAT PETROLEUM CORP, CHINA NAT PETROLEUM CORP TUBULALR GOODS
  • 国际专利分类:   B21C031/00, B22D018/06, C22C001/02, C22C001/10, C22C014/00, C22F001/18
  • 专利详细信息:   CN109487120-A 19 Mar 2019 C22C-014/00 201926 Pages: 9 Chinese
  • 申请详细信息:   CN109487120-A CN11496652 07 Dec 2018
  • 优先权号:   CN11496652

▎ 摘　　要

NOVELTY - Graphene-enhanced-titanium alloy drill comprises 3.0-5.0 wt.% iron, 3.0-5.0 wt.% aluminum, 0.02-0.05 wt.% graphene, and rest is titanium and unavoidable impurities, which is made of titanium alloy. USE - Graphene-enhanced-titanium alloy drill. ADVANTAGE - The graphene-enhanced-titanium alloy drill improves comprehensive performance of product, production efficiency and yield, and adopts flexible extrusion production process. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing graphene-enhanced-titanium alloy drill, which involves: (A) adding pure iron, pure aluminum, titanium and graphene suspension by vacuum fusion casting method and smelting to obtain tube blank; (B) heating tube blank for homogenizing annealing; and (C) heating tube blank after extruder for extrusion and pre-stretching deformation.