• 专利标题:   Preparation of ceramic matrix composite with graphene assisted brazing metal material involves placing ceramic matrix composite material in plasma enhanced chemical vapor deposition apparatus, vacuumizing, heating, welding and incubating.
  • 专利号:   CN103341674-A, CN103341674-B
  • 发明人:   CAO J, FENG J, QI J, ZHANG L, WAN Y
  • 专利权人:   HARBIN INST TECHNOLOGY
  • 国际专利分类:   B23K001/008, B23K001/20
  • 专利详细信息:   CN103341674-A 09 Oct 2013 B23K-001/008 201401 Pages: 9 Chinese
  • 申请详细信息:   CN103341674-A CN10259968 26 Jun 2013
  • 优先权号:   CN10259968

▎ 摘  要

NOVELTY - A ceramic matrix composite with graphene assisted brazing metal material is prepared by placing ceramic matrix composite material in plasma enhanced chemical vapor deposition apparatus, vacuumizing, injecting argon gas and hydrogen gas, heating, carrying out plasma surface treatment, passing to methane gas and argon gas, adjusting pressure, turning on radio frequency power, turning off radio frequency power, cooling, connecting to titanium-based brazing material, welding with metal material, placing in vacuum brazing furnace, pumping and incubating with cooling rate of 5 degrees C/minutes. USE - Method for preparing ceramic matrix composite with graphene assisted brazing metal material (claimed). ADVANTAGE - The material reaches shear strength up to 35 MPa at room temperature. DETAILED DESCRIPTION - A ceramic matrix composite with graphene assisted brazing metal material is prepared by placing ceramic matrix composite material in plasma enhanced chemical vapor deposition apparatus, vacuumizing with pressure of less than or equal to 5 Pa, injecting argon gas with flow rate of 10-50 sccm and hydrogen gas with flow rate of 10-50 sccm and pressure of 100-500 Pa, heating at 500-1000 degrees C, carrying out plasma surface treatment with radio frequency power of 200 W for 10-30 minutes, passing to methane gas and argon gas, adjusting pressure to 100-500 Pa, turning on radio frequency power at 200 W for 10-30 minutes, turning off radio frequency power, cooling, connecting to titanium-based brazing material, welding with metal material, placing in vacuum brazing furnace, pumping at 800-1200 degrees C for 5-30 minutes and incubating with cooling rate of 5 degrees C/minutes.