晶粒细化对K417G高温合金蠕变性能的影响
都贝宁, 杨金侠, 崔传勇, 孙晓峰

EFFECTS OF GRAIN REFINEMENT ON CREEP PROPERTIES OF K417G SUPERALLOY
DU Beining, YANG Jinxia, CUI Chuanyong, SUN Xiaofeng
表2 A~D样品在不同条件下的蠕变寿命
Table 2 Creep lives of specimens A~D under different conditions (h)
Specimen 760 ℃/645 MPa 900 ℃/315 MPa 950 ℃/235 MPa
A 60.7 126.4 90.2
B 79.0 166.2 76.2
C 87.5 113.9 70.0
D 105.4 105.5 54.7