研究退火态Ti2AlNb合金热轧板材在温度为940～980 ℃和初始应变速率为8.33×10-4～1×10-2 s-1时的超塑变形行为.结果表明:该合金具有良好的超塑性;在本实验范围内,其最高伸长率可达400%,最佳超塑条件为960 ℃和1.67×10-3 s-1,可用作超塑性成形工艺制作复杂构件.
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