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Fatigue behavior of beta titanium alloys

Grant number: 13/04423-3
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): June 01, 2013
Effective date (End): October 31, 2016
Field of knowledge:Engineering - Materials and Metallurgical Engineering - Physical Metallurgy
Principal researcher:Claudemiro Bolfarini
Grantee:Leonardo Contri Campanelli
Home Institution: Centro de Ciências Exatas e de Tecnologia (CCET). Universidade Federal de São Carlos (UFSCAR). São Carlos , SP, Brazil

Abstract

The use of titanium in several industries has been increasing in recent years due to a number of single features. The biocompatibility property makes it suitable for orthopedic implant industry, working in the replacement of worn and broken components. In aerospace, its high specific strength allows the application in the fuselage and jet engine of aircrafts, space rockets and satellites. The alpha+beta Ti-6Al-4V alloy is the most commercially used one, offering a good balance between strength, ductility and corrosion resistance. More recently, beta alloys aroused a great interest due to the low modulus of elasticity, good mechanical properties and better biocompatibility. Regarding the fatigue performance, the alpha+beta alloys have been extensively studied, whereas the study of the behavior of beta alloys is still very incipient. The understanding of the influence of structural/microstructural features on fatigue crack initiation, as well as the overall process that leads to a failure under fatigue, is of great importance for designing components that employ these materials. Thus the purpose of this work is to evaluate the mechanical behavior and the micromechanisms of fatigue crack initiation in two beta titanium alloys: I) a newly developed one for landing gear applications in aerospace industry (Ti5553); and II) one of interest of the orthopedic implant industry (TMZF). (AU)

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Scientific publications (6)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
CAMPANELLI, LEONARDO CONTRI. A review on the recent advances concerning the fatigue performance of titanium alloys for orthopedic applications. Journal of Materials Research, v. 36, n. 1, SI FEB 2021. Web of Science Citations: 0.
CAMPANELLI, LEONARDO CONTRI; CARVALHO PEREIRA DA SILVA, PAULO SERGIO; JORGE, JR., ALBERTO MOREIRA; BOLFARINI, CLAUDEMIRO. Effect of hydrogen on the fatigue behavior of the near-beta Ti-5Al-5Mo-5V-3Cr alloy. SCRIPTA MATERIALIA, v. 132, p. 39-43, APR 15 2017. Web of Science Citations: 6.
CAMPANELLI, LEONARDO CONTRI; BORTOLAN, CAROLINA CATANIO; CARVALHO PEREIRA DA SILVA, PAULO SERGIO; BOLFARINI, CLAUDEMIRO; CAMARINHO OLIVEIRA, NILSON TADEU. Effect of an amorphous titania nanotubes coating on the fatigue and corrosion behaviors of the biomedical Ti-6Al-4V and Ti-6Al-7Nb alloys. JOURNAL OF THE MECHANICAL BEHAVIOR OF BIOMEDICAL MATERIALS, v. 65, p. 542-551, JAN 2017. Web of Science Citations: 14.
CAMPANELLI, LEONARDO CONTRI; PEREIRA DA SILVA, PAULO SERGIO CARVALHO; CAMARINHO OLIVEIRA, NILSON TADEU; BOLFARINI, CLAUDEMIRO. Effect of the modification by titanium dioxide nanotubes with different structures on the fatigue response of Ti grade 2. MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS, v. 20, n. 2, p. 120-124, 2017. Web of Science Citations: 1.
BORTOLAN, CAROLINA CATANIO; CAMPANELLI, LEONARDO CONTRI; BOLFARINI, CLAUDEMIRO; CAMARINHO OLIVEIRA, NILSON TADEU. Fatigue strength of Ti-6A1-4V alloy with surface modified by TiO2 nanotubes formation. Materials Letters, v. 177, p. 46-49, AUG 15 2016. Web of Science Citations: 7.
CAMPANELLI, LEONARDO CONTRI; CARVALHO PEREIRA DA SILVA, PAULO SERGIO; BOLFARINI, CLAUDEMIRO. High cycle fatigue and fracture behavior of Ti-5Al-5Mo-5V-3Cr alloy with BASCA and double aging treatments. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, v. 658, p. 203-209, MAR 21 2016. Web of Science Citations: 8.

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