Hf对第二代镍基单晶高温合金DD11高温低应力持久性能的影响
赵云松1,2,张剑2,骆宇时2,唐定中2,冯强1,3(
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EFFECTS OF Hf ON HIGH TEMPERATURE LOW STRESS RUPTURE PROPERTIES OF A SECOND GENERATION Ni-BASED SINGLE CRYSTAL SUPERALLOY DD11
Yunsong ZHAO1,2,Jian ZHANG2,Yushi LUO2,Dingzhong TANG2,Qiang FENG1,3()
)
图6. 合金Hf-1和Hf-4完全热处理后枝晶干处的典型组织
Fig.6. Typical microstructures in the dendrite core of alloys Hf-1 (a) and Hf-4 (b) after fully heat treatment
