A Novel Austenitic Stainless Steel Made from 17-4PH Stainless Steel Powder Using Gas Nitriding and SPS Processing Technique. - Cui, Guodong; Wang, Wenbo; Wang, Yanhuan; Shi, Mingqi; Zhang, Chengsong; Bai, Jingsheng (Metallurgical & Materials Transactions. Part A, 2025)