图3. 冷变形GH3625合金热挤压管材中δ相的SEM像及EDS
Fig.3. SEM images (a~c) and EDS scaned along the line shown in Fig.3a (d) of δ phase in cold deformed GH3625 superalloy hot-extruded tube ageing at 800 ℃ for 75 h under ε =35 % (a), ε =50% (b) and ε =65% (c)