National Key R&D Program of China [2022YFB3402200]; Program of Shanghai Academic Research Leader [22XD1421600]
机构署名：
本校为其他机构
院系归属：
材料科学与工程学院
摘要：
Diffusion-bonded Ti2AlNb-based alloys commonly present a low strength compared with the deformed or aged ones. In this study, the post heat treatment including solution and aging treatments is proposed to optimize the microstructure, contributing to strength improvement and appropriate ductility sacrifice. An available method by the introduction of fine size (both 20-100 nm) and a high fraction (59.7% and 13.7%) of O and alpha(2) phases using both solution at 1000 degrees C for 1 h and aging at 750 degrees C for 5 h can result in excellent tensile strength (992 MPa and 858 MPa) at room tempera...
