• 专利标题:   Method for manufacturing corrosion resistant aluminum brazing composite plate for use in automobile, involves performing hot rolling, primary annealing, cold rolling, secondary anneal and cooling to obtain corrosion-proof aluminum brazing composite plate.
  • 专利号:   CN114771049-A
  • 发明人:   DING D, DING X
  • 专利权人:   WUXI JINYANG ALUMINIUM CO LTD
  • 国际专利分类:   B22F001/12, B22F001/14, B32B015/01, B32B015/20, B32B033/00, B32B037/06, B32B037/10, B32B038/00, C21D008/02, C22C021/16, C22F001/043, C22F001/057, C23C024/10, C23F004/00
  • 专利详细信息:   CN114771049-A 22 Jul 2022 B32B-015/01 202274 Chinese
  • 申请详细信息:   CN114771049-A CN10472328 29 Apr 2022
  • 优先权号:   CN10472328

▎ 摘  要

NOVELTY - The method involves performing cutting, milling and homogenizing core layer alloy ingot and cladding alloy ingot to obtain a core layer alloy and a clad alloy. Laser etching is performed in a surface of the core-layer alloy. A graphene mixture material is sprayed. Laser cladding is performed in a surface generating barrier layer. A first core alloy, the core layer alloy and the clad alloy are sequentially overlapped. Hot rolling, primary annealing, cold rolling, secondary anneal and cooling are performed to obtain a corrosion-proof aluminum brazing composite plate. USE - Method for manufacturing corrosion resistant aluminum brazing composite plate for use in an automobile. Can also be used in aerospace and building. ADVANTAGE - The method enables setting a barrier layer containing metal graphene to improve interface performances and corrosion resistance of the aluminum brazing composite plate.