WANG Qun1,WU Xi-bing1,TAN Xing-long2,YANG Gui-bin2,TANG Zhi-hua2,WANG Xiao-jian3
(1.? College of Materials Science and Engineering, Hunan Univ, Changsha,Hunan 410082, China;2.Ganzhou Zhangyuan Tungsten New Materials Co,Ltd,Ganzhou,Jiangxi 341300, China;3.Technology Center, Baosteel Meishan Iron & Steel Co, Ltd, Nanjing,Jiangsu 210039, China)