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  • 专利标题:   Enhancement of metal material through graphene involves adding graphene to alcohol solution, preparing into graphene solution by ultrasonically cell crushing, uniformly mixing with metal powder, mechanically ball-milling, and drying.
  • 专利号:   CN103993192-A, WO2015149385-A1, GB2539861-A, US2017014908-A1
  • 发明人:   DAI S, LIU D, YANG C, HONG Q, LIN Z, YAN S
  • 专利权人:   AVIATION IND CORP SHENYANG ENGINE, AVIC BEIJING INST AERONAUTICAL MATERIALS, AVIC BEIJING AERONAUTICAL MATERIALS INST
  • 国际专利分类:   C22C001/05, C22C001/10, C22C026/00, B22F001/00, B22F003/15, B22F003/20, B22F007/00, B22F009/04
  • 专利详细信息:   CN103993192-A 20 Aug 2014 C22C-001/05 201475 Pages: 5 Chinese
  • 申请详细信息:   CN103993192-A CN10136468 04 Apr 2014
  • 优先权号:   CN10136468

▎ 摘　　要

NOVELTY - A metal material is enhanced through graphene by adding 5 g graphene to 495 ml alcohol solution, preparing into graphene solution by ultrasonically cell crushing for greater than or equal to 30 minutes, uniformly mixing 1000 g metal powder with 100-2000 ml of prepared graphene solution, pouring in ball mill, carrying out mechanical ball-milling for greater than or equal to 24 hours, taking out mixture, putting in beaker, placing in oven, drying to obtain graphite/metal composite powder, loading in sheath while oscillating to increase apparent density, and performing vacuum treatment while heating until vacuum degree reaches 1x 10-3 Pa. USE - Enhancement of metal material through graphene (claimed). ADVANTAGE - Enhancement process is simple and easy to realize, has reduced production cost, uses pure graphene, precisely controls graphene addition amount, promotes easy formation of monodispersed graphene homogeneous solution and metal powder uniform composite, ensures graphene dispersibility, avoids formation of metal particles oxide film, and forms good bond between graphene and metal particles. DETAILED DESCRIPTION - A metal material is enhanced through graphene by adding 5 g graphene to 495 ml alcohol solution, preparing into graphene solution by ultrasonically cell crushing for greater than or equal to 30 minutes, uniformly mixing 1000 g metal powder with 100-2000 ml of prepared graphene solution, pouring in ball mill, carrying out mechanical ball-milling for greater than or equal to 24 hours, taking out mixture, putting in beaker, placing in oven, drying to obtain graphite/metal composite powder, loading in sheath while oscillating to increase apparent density, performing vacuum treatment while heating until vacuum degree reaches 1x 10-3 Pa, welding and sealing sheath, performing hot isostatic pressing to realize molding of graphite/metal composite powder in sheath to obtain compact graphene-enhanced metal composite material, and performing hot extrusion molding to obtain graphene-enhanced metal bar or plate.