Forming and Machining of the Zirconia Ceramic Pen Ball
Xiaoqing Xi ; Jinlong Yang State Key Lab of New Ceramics and Fine Processing; Dept. of Mater. Sci; & Eng. ; Tsinghua University; Beijing 100084; China Jing Yang Han Dan Yong Long century high- tech ceramic ltd. Hebei 056000; China
..............page:15-19