系统研究了Ti46Al8.5Nb0.1C0.2B合金简称0.1C0.2B合金在760℃~815℃, 140 MPa~400 MPa的蠕变条件下的蠕变性能和蠕变机制. 研究表明, 在同等蠕变条件下同其它钛铝合金相比, 0.1C0.2B合金最小蠕变速率降低2倍~10倍, 蠕变应力提高50 MPa~150 MPa, 如此优越蠕变抗力主要来自于高铌合金化对钛铝合金的固溶强化及间隙原子的沉淀强化.
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