Nitrogen-Substituting Carbon Significantly Improves Softening Resistance of H13 Hot-Work Die Steel. - Wang, Hai-Jian; Feng, Hao; Li, Hua-Bing; Zhou, Gang; Zhu, Hong-Chun; Zhang, Shu-Cai; Jiang, Zhou-Hua (Metallurgical & Materials Transactions. Part A, 2024)