Observatorio de I+D+i UPM

Memorias de investigación
Research Publications in journals:
CREEP BEHAVIOR STUDY AT 500ºC OF LASER NITRIDED Ti-6Al-4V ALLOY
Year:2013
Research Areas
  • Engineering
Information
Abstract
Titanium and its alloys are excellent for applications in structural components submitted to high temperatures owing to their high strength to weight ratio, good corrosion resistance and metallurgical stability. However, the affinity by oxygen is one of main factors that limit its application as structural material at high temperatures. The objective of this study was to estimate the influence of laser treatment on the creep of the TÌ-6A1-4V alloy. Constant load creep tests were conducted with TÌ-6A1-4V alloy at 500 °C. The creep tests were conducted on a standard creep machine at stress of 319 MPa to 520 MPa. Samples with a gage length of 18.5 mm and a diameter of 3 mm were used for all tests. When the TÌ-6A1-4V was tested the effect of the oxidation was smaller and the behavior of the creep curves showed that the life time was better. There was a decreasing of ductility of material (final strain) and life time was increased. Occurred a decreasing of steady state creep in function of the reduction of oxidation process, showing that for the TÌ-6A1-4V alloy their life time was strongly affected by the superficial treatment that was submitted because the oxidation suffered by the material.
International
Si
JCR
Si
Title
Journal of Materials Research and Technology
ISBN
2238-7854
Impact factor JCR
Impact info
Volume
2 (1)
Journal number
From page
48
To page
51
Month
SIN MES
Ranking
Participants
  • Autor: Javier Oñoro Lopez (UPM)
  • Autor: Adriano Goncalves dos Neis
  • Autor: Danieli Aparecida Pereira Reis
  • Autor: Carlos de Moura Neto
  • Autor: Miguel Justino Ribeiro Barboza
  • Autor: Francisco Piorino Neto
Research Group, Departaments and Institutes related
  • Creador: Departamento: Ingeniería y Ciencia de los Materiales
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