Zr含量对Nb-Ti-Si基超高温合金组织及抗氧化性能的影响
曾宇翔1,郭喜平1(
),乔彦强1,聂仲毅2
),乔彦强1,聂仲毅2
EFFECT OF Zr ADDITION ON MICROSTRUCTURE AND OXIDATION RESISTANCE OF Nb-Ti-Si BASE ULTRAHIGH-TEMPERATURE ALLOYS
Yuxiang ZENG1,Xiping GUO1(),Yanqiang QIAO1,Zhongyi NIE2
),Yanqiang QIAO1,Zhongyi NIE2
图2. 不同Zr含量Nb-Ti-Si基合金电弧熔炼态组织的BSE像
Fig.2. BSE images of the as-cast 0Zr (a), 0.5Zr (b), 1Zr (c), 2Zr (d), 4Zr (e) and 8Zr (f) alloys (The plus symbol in Fig.2e indicates a three-phase eutectic zone with low melting point)
