The Influence on Denitrogenation During Refining Ni-Base Superalloy by Using CaO Crucible
NIU Jian-ping, SUN Xiao-feng, JIN Tao, YU Yang, YANG Ke-nu, GUAN Heng-rong, HU Zhuang-qi
Journal of Materials Engineering . 2000, (12): 6 -7,11 .