• 专利标题:   Preparing of graphene-reinforced aluminum-based compound material by powder metallurgy comprises e.g. low-energy ball milling graphene and aluminum-based material to obtain uniformly mixed compound powder, and welding compound powder.
  • 专利号:   CN112725660-A
  • 发明人:   GUO Q, HAN Y, YANG G, ZHENG W
  • 专利权人:   UNIV SHANGHAI JIAOTONG
  • 国际专利分类:   B22F001/00, B22F003/00, B22F003/24, B22F009/04, C22C001/05, C22C001/10, C22C021/00, C22F001/04
  • 专利详细信息:   CN112725660-A 30 Apr 2021 C22C-021/00 202152 Pages: 13 Chinese
  • 申请详细信息:   CN112725660-A CN11521496 21 Dec 2020
  • 优先权号:   CN11521496

▎ 摘  要

NOVELTY - Preparing of graphene-reinforced aluminum-based compound material by powder metallurgy comprises (1) low-energy ball milling graphene and aluminum-based material to obtain uniformly mixed compound powder, (2) performing de-stressing annealing treatment to the compound powder, (3) performing high-energy ball milling the compound powder after annealing treatment, welding the compound powder to obtain graphene/aluminum compound powder particles, (4) densifying the graphene/aluminum compound powder particles, and performing heat treatment to obtain the graphene-reinforced aluminum-based compound material. The low-energy ball milling refers to ball milling rotating speed of 50-200 revolution per minute, ball milling time of greater than or equal to 6 hours. The high-energy ball milling refers to ball milling rotating speed of 200-300 revolution per minute, and ball milling time of less than or equal to 30 minutes. USE - The method is useful for preparing graphene reinforced aluminum-based compound material by powder metallurgy. ADVANTAGE - The method: enables to prepare graphene-reinforced aluminum-based compound material in energy-saving and time-saving manner; is suitable for mass production; has excellent for protecting graphene structure complete; and develops graphene strengthening potential.