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Effect of thermal treatments on tensile strength of commercially cast pure titanium and Ti-6Al-4V alloys
  • Universidade Estadual Paulista (UNESP)
  • Universidade Estadual de Campinas (UNICAMP)
Heating titanium structures is assumed to relieve tensions induced by the casting process as well as possibly optimizing some mechanical properties. The aim of this investigation was to evaluate the effect of thermal treatments on tensile strength of commercially pure titanium (CP Ti) and Ti-6Al-4V alloy. Thirty dumbbell rods, with diameters of 3.0 mm at the central segment and lengths of 42 mm, were cast for each metal using the Rematitan System. CP Ti and Ti-6Al-4V specimens were randomly divided into three groups of ten: a control group that received no thermal treatment and two test groups. One (T1) was heated at 750°C for 2 h and the other (T2) was annealed at 955°C for 1 h and aged at 620°C for 2 h. Tensile strength was measured with a universal testing machine (MTS model 810). Tensile strength means and standard deviations were statistically compared using a Kruskal-Wallis test at a α = 0.05 significance level. No statistically significant differences in tensile strength were observed among CP Ti groups. For the Ti-6Al-4V alloy, the control and T1 groups revealed statistically higher tensile strengths when compared to the T2 group, with no significant difference between the control and T1 groups. © 2005 Springer Science + Business Media, Inc.
Issue Date: 
Journal of Materials Science: Materials in Medicine, v. 16, n. 8, p. 759-766, 2005.
Time Duration: 
  • Annealing
  • Casting
  • Heat treatment
  • Tensile stress
  • Ternary systems
  • Titanium alloys
  • Rematitan systems
  • Standard deviation
  • Titanium
  • dental alloy
  • materials testing
  • randomization
  • statistical significance
  • tensile strength
  • Biocompatible Materials
  • Dental Alloys
  • Elasticity
  • Surface Properties
  • Tensile Strength
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Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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