高Fe、Cr含量多相Ni3Al基高温合金组织与性能研究进展
吴静,刘永长(),李冲,伍宇婷,夏兴川,李会军
Recent Progress of Microstructure Evolution and Performance of Multiphase Ni3Al-Based Intermetallic Alloy with High Fe and Cr Contents
WU Jing,LIU Yongchang(),LI Chong,WU Yuting,XIA Xingchuan,LI Huijun

图13. 1200 ℃、10 h退火态试样在800 ℃、1000 h长期时效,并经800 ℃、220 MPa蠕变断裂后的断口组织

Fig.13. Low- (a) and high- (b) magnified fracture surfaces of the 1200 ℃, 10 h annealing sample after 800 ℃, 1000 h ageing treatment crept up to fracture at 800 ℃, 220 MPa