PMID: 8595837Mar 1, 1993Paper

Studies on laser- and plasma-welded titanium

Dental Materials : Official Publication of the Academy of Dental Materials
M RoggensackK W Böning

Abstract

In recent years, titanium has become a material of major interest in prosthetic dentistry. Due to its chemical properties, titanium has to be processed differently from conventional alloys. In this paper, two different methods of welding were investigated. Specimens machined from pure titanium rods were fused either by laser welding or plasma welding. Hardness profiles and light microscopy images were taken in the region of the weld. The mechanical properties were tested by alternating bending fatigue tests up to 3 million cycles. Light microscopy images and hardness profiles showed a larger heat-affected zone after plasma welding compared to laser welding. No significant differences comparing fatigue strength could be found between the two methods of welding. However, extreme loads led to earlier fatigue in the plasma-welded specimens. SEM images of the laser-welded joints showed fractures in the welding zone, while the plasma-welded specimens fractured mostly beyond the heat-affected zone. From these results, it can be assumed that both methods are suitable for welding titanium. At the moment, laser welding is the more suitable technique in dentistry because of its lower thermal alteration of the workpieces.

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Citations

Nov 15, 2011·Odontology·Yasuko TakayamaChikahiro Ohkubo
Mar 1, 1995·Dental Materials : Official Publication of the Academy of Dental Materials·T Dérand
Apr 1, 1995·Journal of Dentistry·D BrownD C Watts
Jan 5, 2002·Dental Materials : Official Publication of the Academy of Dental Materials·J LiuM Atsuta
Oct 1, 2011·Journal of Oral Science·Hisaji KikuchiTakayuki Yoneyama
Nov 30, 2011·Dental Materials Journal·Juliana Maria Costa Nuñez-PantojaMarcelo Ferraz Mesquita
Mar 27, 2012·Dental Materials Journal·Yasuko TakayamaChikahiro Ohkubo
May 21, 2014·The Journal of Prosthetic Dentistry·Husain A GhadhanfariHyeongil Kim
Sep 11, 2010·Dental Materials : Official Publication of the Academy of Dental Materials·Rie NomotoHiroyuki Nakajima
Dec 7, 2007·Dental Materials : Official Publication of the Academy of Dental Materials·Viritpon SrimaneepongTakao Hanawa
Dec 21, 2006·Dental Materials : Official Publication of the Academy of Dental Materials·Masahiro IijimaItaru Mizoguchi
May 3, 2006·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Ikuya Watanabe, D Scott Topham
Nov 29, 2011·Gerodontology·Juliana M C Nuñez PantojaMarcelo F Mesquita
Aug 4, 2010·Journal of Oral Rehabilitation·J M C Nuñez-PantojaM F Mesquita
Dec 13, 2005·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Ikuya WatanabeKhoi Nguyen
Jan 15, 2009·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Fábio Afrânio de AguiarRicardo Faria Ribeiro
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Dec 12, 2013·Lasers in Medical Science·Youssef S Al JabbariSpiros Zinelis
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Jan 30, 2014·Brazilian Dental Journal·Juliana Abdallah AtouiOsvaldo Luiz Bezzon
Jan 23, 2013·Brazilian Dental Journal·João Paulo Lyra e SilvaPaulo Cezar Simamoto Júnior
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