单晶DD3与细晶GH4169高温合金摩擦焊接界面表征<sup>*</sup>

单晶DD3与细晶GH4169高温合金摩擦焊接界面表征^*

杜随更(

),王喜锋,高漫

CHARACTERISTICS OF THE FRICTION WELDING INTERFACE BETWEEN SINGLE CRYSTAL SUPERALLOY DD3 AND FINE GRAINED SUPERALLOY GH4169

Suigeng DU(

),Xifeng WANG,Man GAO

图5. DD3与GH4169合金摩擦焊接焊合区TEM/SAED分析

Fig.5. TEM image (a) and SAED analysis of grains C1 ([uvw]= ) (b), C2 ([uvw]= ) (c) and C3 ([uvw]= ) (d) in Fig.5a, composite SAED pattern of C2 and C3 (e) and center dark field image of g' phase (f)