ENVIRONMENTAL ATMOSPHERE EFFECT ON FRETTING WEAR CHARACTERISTICS OF TITANIUM ALLOY

Xu Yongli;Wang Shihong;Liang Youming;Dong Xianglin

Journal of Aeronautical Materials ›› 1990, Vol. 10 ›› Issue (2) : 13-20.

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Journal of Aeronautical Materials ›› 1990, Vol. 10 ›› Issue (2) : 13-20.

ENVIRONMENTAL ATMOSPHERE EFFECT ON FRETTING WEAR CHARACTERISTICS OF TITANIUM ALLOY

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Abstract

Fretting wear chracteristics of TC11 titanium alloy in argon and air, and its relations with main experimental parameters(such as normal load, amplitude of slip and frequency of vibration)have been studied. Fretting mechanism of TC11-TC11 and TC11-GCr15 friction couples was also discussed with techniques of X-Ray diffraction, energy spectrum, SEM and ion probe. The experimental results showed that fretting wear was aggregated with increasing amplitude and frequency of vibration. Fretting wear process in argon was compossed mainly of two stage, i.e initial adhesion and latter fatigue damage caused by alternative shear stress at the sub-surface of the lmaterial. Meta transfer phenomenon and delamilation plaied a more important role in fretting wear in air for TC11-GCr15 friction couples.

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Xu Yongli, Wang Shihong, Liang Youming, Dong Xianglin. ENVIRONMENTAL ATMOSPHERE EFFECT ON FRETTING WEAR CHARACTERISTICS OF TITANIUM ALLOY[J]. Journal of Aeronautical Materials, 1990, 10(2): 13-20

References

[2] R.B,Waterhouse,Fretting Corrosion.Pergamon Oxford,1972.
R.B.Waterhouse,Fretting Fatigue.Applied science,London,1981.
[3] M, M, Haady, Wear, 58 (1979).
[4] E, Broszeiti Titanium Science and Technology,1984,Vol.4.P2171-2178
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