?url_ver=Z39.88-2004&rft_id=10.1007%2F978-981-10-1082-8%E2%82%89&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=A.&rft.au=Ismail%2C+A.&rft.aulast=Ismail&rft.title=Advanced+Structured+Materials&rft.date=2016&rft.volume=61&rft.issn=18698433&rft.atitle=The+hardness+variation+due+to+secondary+heating+in+friction+stir+welding+of+small+diameter+aluminium+alloy+6063+pipe&rft.pages=87-94&rft.genre=article