1. Introduction The tantalum and tantalum alloy are some of the most important high-temperature and corrosion-resistant functional materials in modern industry [1], which have a high melting point, good electrical and thermal conductivity, chemical stability, high-temperature strength, and workability [2]. Due to the excellent properties of the tantalum material, it has been used in aerospace [3], weapons and equipment [4], chemical industry [5], electronics [6] and medical and health fields [7].