Fatigue Testing of Titanium Alloy Ti6Al4V Used in Medical Devices

Mateusz Wirwicki; Łukasz Pejkowski; Tomasz Topolinski

doi:10.4028/www.scientific.net/SSP.250.250

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Alternative Method for the Determination of a Full S-N Fatigue Profile
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Influence of Metal Foil on Interface Stress State in CFRP Laminate
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Verification of Methods Used for Fatigue Testing of Small Steel Specimens Taken from Existing Structures
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The Influence of the Grade of Materials and their State on the Thermo-Mechanical Behaviour of the Chosen Power Plant Components
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Numerical Simulation of Void Nucleation in S355 Steel
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Fatigue Testing of Titanium Alloy Ti6Al4V Used in Medical Devices
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Fracture Problem of the Valve of Piston Engine
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Experimental Fatigue Analysis of Compressor Blades with Preliminary Defects
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Fatigue Testing of Titanium Alloy Ti6Al4V Used in Medical Devices

Abstract:

Because titanium alloy Ti6Al4V features low density, good corrosion resistance and biocompatibility, it a metal of choice for medicine, used in orthopedics, accident surgery and dentistry. The insertion of elements such as nitrogen, carbon, hydrogen, iron or oxygen improve fatigue strength of this material. This paper presents certain basic fatigue and monotonic tests performed on the alloy. We have proposed a unique sample geometry and sample dimensions smaller than the reference ones. The dimensions of the working part of the sample correspond to the geometry of a dental implant connector. This part of the implant has to withstand stresses that are both intricate and variable in time. We performed monotonic tensile strength tests and uniaxial fatigue tests using the Instron 8874 machine. Then, we examined the samples under a stereoscopic microscope and measured the fracture development angle.

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Periodical:

Solid State Phenomena (Volume 250)

Pages:

250-254

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.250.250

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Online since:

April 2016

Authors:

Mateusz Wirwicki*, Łukasz Pejkowski, Tomasz Topolinski

Keywords:

Fatigue Tests, S-N Curve, Ti-6Al-4V, Titanium Alloys

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