Paper Title:
Effect of Pre-Oxidized CuO Layer in Joining between Polyethylene Terephalate (PET) and Copper (Cu) by Using Pulsed Nd:YAG Laser
  Abstract

In the present study, effect of pre-oxidized (PO) CuO layer in the joining between polyethylene terephalate (PET) and copper (Cu) by using pulsed Nd:YAG laser was investigated. The experimental result for PET/PO Cu (with pre-oxidized layer) and PET/Cu (without pre-oxidized layer) were presented in this paper. The results showed the pre-oxidation surface improved the welding efficiency. The welded area and tensile shear failure load (TSFL) of PET/PO Cu joint were increased when pre-oxidized layer was introduced. This indicates that high heat was absorbed during laser irradiation of PET/PO-Cu joint compare to PET/Cu joint. On the other hand, the fracture surface of PET/PO-Cu showed the presence of Cu and Cu oxide particles in the PET side. While in case of PET/Cu, no occurrence of Cu particles can be observed. The presence of Cu oxide particles and Cu particles were believed may increase PET/PO Cu joint shear force. From the cross-sectional observation of PET/PO Cu joint interface, it was found that an oxide layer in the laser irradiation area was removed and PET seemed to have intimate contact with Cu surface.

  Info
Periodical
Advanced Materials Research (Volumes 129-131)
Edited by
Xie Yi and Li Mi
Pages
714-718
DOI
10.4028/www.scientific.net/AMR.129-131.714
Citation
F. Yusof, Y. Mutoh, Y. Miyashita, "Effect of Pre-Oxidized CuO Layer in Joining between Polyethylene Terephalate (PET) and Copper (Cu) by Using Pulsed Nd:YAG Laser", Advanced Materials Research, Vols. 129-131, pp. 714-718, 2010
Online since
August 2010
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