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论文类型：期刊论文

发表时间：2022-06-30

发表刊物：中国有色金属学报

期号：10

页面范围：2086-2092

ISSN号：1004-0609

摘要：The composition characteristics of near α-Ti alloy Ti 1100 with the guidance of a cluster-plus-glue-atom model were investigated. A new alloy series with the cluster formula of [Al-(Ti13.7(Zr/Hf)0.3)](Al0.69Sn0.18Si0.12- (Mo/Ta/Nb)0.03) was designed by adding minor Hf, Ta, and Nb. The structures of alloys were characterized, and the oxidation resistance properties were measured. The results show that the Hf substitution for Zr doesn't influence the β transition lamellar microstructure. While that various combinations of Ta and Nb to substitute for Mo could form equiaxed α microstructure. The oxidation-resistant capacities of designed alloys are enhanced obviously at 800 in comparison with that of Ti 1100. The oxidation mass gains of the designed alloys with Hf, Nb and Ta co-alloying after 100 h at 800 are about (2.2±0.2) mg/cm2. © 2016, Science Press. All right reserved.

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