5Luo G X,Wu G Q,Huang Z,et al.Diffusion bonding of laser-surface-modified gamma titanium aluminide alloy to nickel-basecasting alloy[J].Scripta Materialia.2007,57:521-524.
6Mallory L C.Microstructure of titanium aluminide fusion welding[J].Journal of Materirals Science Letter,1994,13:1061-1065.
7Lee S J,Wu S K,Lin R Y.Infrared joining of TiAl intermetal-lics using Ti-15Cu-15Ni foil-Ⅰ.The microstucture morphologiesof joint interfaces[J].Acta Materialia,1998,46(4):1283-1295.
8Li Z F,Wu G Q,Huang Z,et al.Diffusion bonding of laser sur-face modified TiAl alloy/Ni alloy[J].Materials Letters,2004,58:3470-3473.
9Ramos A S,Vieiral M T,Simes,et al.Joining of superalloysto intermetallics using nanolayers[J].Advanced Materials Re-search,2009,59:225-229.
10He P,Feng J C,Zhang B G,et al.A new technology for diffu-sion bonding intermetallic TiAl to steel with composite barrier lay-ers[J].Materials characterization,2003,50:87-92.
