Enhancing the Degassing Efficiency of Molten Steel in Vacuum Casting via Vacuum Control. - Ni, Zhuo-Wen; Zhu, Hong-Chun; Li, Hua-Bing; Xing, Cheng-Ye; Hou, Ding-Xu; He, Zhi-Yu; Jiang, Zhou-Hua; Sun, Zheng-Xin; Feng, Hao; Zhang, Shu-Cai (Metallurgical & Materials Transactions. Part B, 2026)