Fretting behavior of titanium alloys

Journal Article · Thu Apr 01 04:00:00 EST 1993 · Tribology Transactions; (United States)

DOI:https://doi.org/10.1080/10402009308983158· OSTI ID:6051247

Fayeulle, S; Blanchard, P; Vincent, L ^[1]

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1. Lyon, Ecole Centrale, Ecully (France)

Fretting wear tests were performed on three titanium alloys, alpha + beta-Ti-6Al-4V, alpha-Ti-15V-3Al-3Cr-3Sn, and beta-Ti-15V-3Al-3Cr-3Sn, in air. Friction conditions were chosen in order to get gross slip at the interface. The tangential load was recorded during each cycle of the test. Optical and scanning electron microscopy, grazing incidence X-ray diffraction, energy dispersive X-ray analysis and TEM were used to characterize the superficial surface layers of the specimens after the fretting test. Particle detachment was observed in every case and the friction coefficient was always very high. A hard tribologically transformed structure (TTS) was detected in some areas of the superficial layers. TEM revealed that TTS was formed of ultra fine non-oriented grains of alpha-titanium. No beta phase was detected. The wear debris particles were produced from the transformed areas of the contact zone and were then quickly oxidized in the interface. The formation of the TTS is interpreted in terms of deformation-induced transformation. Role of the TTS on friction and wear behavior of titanium alloys is discussed. 45 refs.

• OSTI ID: 6051247
• Journal Information: Tribology Transactions; (United States), Journal Name: Tribology Transactions; (United States) Vol. 36:2; ISSN 1040-2004; ISSN TRTRE4
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360105* -- Metals & Alloys-- Corrosion & Erosion
ALLOYS
ALUMINIUM ALLOYS
CHEMICAL REACTIONS
CHROMIUM ALLOYS
COHERENT SCATTERING
CORROSION
DIFFRACTION
ELECTRON MICROSCOPY
FRETTING CORROSION
MECHANICAL PROPERTIES
MICROSCOPY
SCATTERING
TITANIUM ALLOYS
TRANSMISSION ELECTRON MICROSCOPY
TRIBOLOGY
VANADIUM ALLOYS
WEAR RESISTANCE
X-RAY DIFFRACTION