The micro-morphology of the fracture surface appears to be the inter-granular brittle before sodium corrosion for the rotary swaging and polishing W-specimens.

• 经高温钠腐蚀后,旋锻钨试样的晶粒长大,断裂应力和显微硬度显著降低;高温钠腐蚀对抛光钨试样的断裂应力和显微硬度似乎无明显影响。