YAN Yuhe YANG Yongqiang ZHAO Changming Tianjin Institute of Textile Science and Technology,Tianjin,ChinaWU Weitao WANG Maocai Institute of Corrosion and Protection of Metals,Academia Sinica,Shenyang,ChinaLU Mengfu Tianjin Institute of Science and Technology,Tianjin,China Lecturer,Laser Processing Lab.,Tianjin Institute of Textile Science and Technology,Tianjin 300160,China