单晶DD3与细晶GH4169高温合金摩擦焊接界面表征*
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CHARACTERISTICS OF THE FRICTION WELDING INTERFACE BETWEEN SINGLE CRYSTAL SUPERALLOY DD3 AND FINE GRAINED SUPERALLOY GH4169
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图1. DD3与GH4169合金摩擦焊接焊合区的SEM像 |
Fig.1. SEM images of the welding zone of DD3 and GH4169 friction welding joint (DRX—dynamic recrystallization) |
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