?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Zafar&rft.au=Zafar%2C+A.&rft.aufirst=A.&rft.date=2016&rft.pages=4186-4190&rft.volume=11&rft.issue=6&rft.issn=18196608&rft.atitle=Visual+analysis+of+material+flow+during+friction+stir+welding+of+nylon-6&rft.title=ARPN+Journal+of+Engineering+and+Applied+Sciences&rft.genre=article