PMID: 9553882Apr 29, 1998Paper

Effects of joint configuration for the arc welding of cast Ti-6Al-4V alloy rods in argon

The Journal of Prosthetic Dentistry
J C TaylorC A Brodersen

Abstract

Titanium and its alloys are more commonly used in prosthodontics and welding has become the most common modality for their joining. Studies on the welding of titanium and its alloys have not quantified this value, though its importance has been suggested. This study compared the strength and properties of the joint achieved at various butt joint gaps by the arc-welding of cast Ti-6Al-4V alloy tensile bars in an argon atmosphere. Forty of 50 specimens were sectioned and welded at four gaps. All specimens underwent tensile testing to determine ultimate tensile strength and percentage elongation, then oxygen analysis and scanning electron microscopy. As no more than 3 samples in any group of 10 actually fractured in the weld itself, a secondary analysis that involved fracture location was initiated. There were no differences in ultimate tensile strength or percentage elongation between specimens with weld gaps of 0.25, 0.50, 0.75, and 1.00 mm and the as-cast specimens. There were no differences in ultimate tensile strength between specimens fracturing in the weld and those fracturing in the gauge in welded specimens; however, as-cast specimens demonstrated a higher ultimate tensile strength than welded specimens that fractured in ...Continue Reading

Citations

Nov 15, 2011·Odontology·Yasuko TakayamaChikahiro Ohkubo
Mar 2, 2011·Brazilian Oral Research·Juliana Maria Costa Nuñez-PantojaMarcelo Ferraz Mesquita
Dec 18, 2008·Journal of Applied Oral Science : Revista FOB·Jens Johannes BockRobert Andreas Werner Fuhrmann
Mar 27, 2012·Dental Materials Journal·Yasuko TakayamaChikahiro Ohkubo
Jun 6, 2015·Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine·Lorella CeschiniMarco Degidi
Sep 29, 2009·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Caroline Bertrand, Angeline Poulon-Quintin
Jul 12, 2008·European Journal of Orthodontics·Jens Johannes BockRobert Andreas Werner Fuhrmann

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