沉淀强化钢中两相区NiAl相和富Cu相的析出特点

王晓姣, 沈琴, 严菊杰, 邱涛, 汪波, 李慧, 刘文庆

PRECIPITATION CHARACTERIZATION OF NiAl AND Cu-RICH PHASES IN DUAL-PHASE REGION OF PRECIPITATION STRENGTHENING STEEL

WANG Xiaojiao, SHEN Qin, YAN Jujie, QIU Tao, WANG Bo, LI Hui, LIU Wenqing

表2 4个强化相中NiAl相和富Cu相中主要合金元素的平均含量

Table 2 Average concentrations of main alloying elements in NiAl-rich phases and Cu-rich phases

Precipitate NiAl-rich phase Cu-rich phase Cu Ni Al Mn ppt1 44.3±6.4 30.8±6.4 12.9±4.6 41.5±5.4 ppt2 41.7±14.2 36.4±14.5 16.7±10.8 38.9±8.2 ppt3 34.0±6.9 27.0±5.6 5.4±3.0 21.3±5.2 ppt4 33.3±10.3 25.6±7.0 17.2±6.4 25.5±6.4