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12. 空气中用薄壳降升法制取Al单晶叶片的实验、带残壳的叶片和腐蚀后的叶片单晶组织
Fig.12. D&H experiment using thin shell to manufacture SC blade of Al alloy in the air (a), as-cast blade with residual shell (b) and macro- and microstructure (right corner) of the SC blade (c)
