高温合金叶片单晶凝固技术的新发展
马德新1,2(
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DEVELOPMENT OF SINGLE CRYSTAL SOLIDIFICA- TION TECHNOLOGY FOR PRODUCTION OF SUPERALLOY TURBINE BLADES
MA,Dexin,1,2()
)
图14. 真空中用薄壳降升法制取高温合金单晶叶片的实验装置图、制备的CMSX-4单晶小叶片和单晶叶片横截面组织
Fig.14. Setup for D&H process in vacuum (a), a produced SC blade of superalloy CMSX-4 (b) and transverse section of the SC blade showing the fine microstructure (c)
