Low-temperature impact toughness and embrittlement mechanism of a 460 MPa-grade steel used in a supporting equipment of a nuclear reactor pressure vesselTianyu Gao, Haiyang Hu, Yu Hu, Yong Wang and Diandong SunMetall. Res. Technol., 122 4 (2025) 410DOI: https://doi.org/10.1051/metal/2025036