Abstract

PET/Cu and PET/SUS304 is able to joint using Nd:YAG spot laser welding. The weld area and joining strength for the PET/SUS304 joint is higher than that for PET/Cu joint. Formation of bubbles in PET and molten pool at the metal can be observed significantly in the case of PET/SUS304 joint and this due to higher absorption of laser beam compared with copper.

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