High Nb-containing TiAl alloy

Strength nearly 1.7 times

A Ti-48Al-8Nb alloy fabricated by directed energy deposition achieves an unprecedented combination of 880 MPa tensile strength and 0.7% elongation at room temperature, surpassing its cast counterpart.

Xue, Hui · Yi, Song · Xinhuan, Tong · Liang, Yongfeng · Peng, Hui · Wang, Yanli · Shang, Shun-Li · Zi-Kui, Liu · Junpin, Lin

Additive Manufacturing 2024

Specifications

MPa room temperature
{'zh': '880', 'en': '500'} W DED
抗拉强度是铸态合金
{'zh': '1.71', 'en': ''} 倍
延伸率
{'zh': '0.7', 'en': ''} %

Advantages

Outstanding high-temperature strength retention