作者: J.P. Coelho , M.A. Abreu , M.C. Pires
DOI: 10.1016/S0143-8166(00)00071-3
关键词:
摘要: … tensile strength greater than 90% was achieved for high-density polyethylene at speeds of 10, or at 7 m s −1 for transparent polypropylene, using a 2.7 kW CO 2 laser and a 1.2 mm …