Results 241 to 250 of about 587,233 (321)
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Fretting Wear Mechanisms and Their Effects on Fretting Fatigue
Journal of Tribology, 1988Fretting wear and fretting fatigue are governed by the rate of formation of materials (third-bodies) between the initial contact surfaces. Furthermore, the third-bodies must be maintained within the contact. The issue of the race between third-body formation and subsurface damage conditions the effect of fretting on fatigue.
Y. Berthier +3 more
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Investigation of fretting wear in journal bearings
Industrial Lubrication and Tribology, 2016Purpose Fretting wear takes place when two contacting solid surfaces are subjected to relatively small amplitude oscillatory motion in the order of a few microns. The purpose of this paper is the design and manufacture of a fretting wear test rig that can analyze fretting wear on journal bearings.
SEVIK, Yasar, DURAK, Ertuğrul
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A new fretting wear test apparatus
Journal of Physics E: Scientific Instruments, 1988A new fretting wear test rig was designed. The fretting contact consists of a sphere-on-plate arrangement. The temperature in a test can be set up to 1200 degrees C (specimen temperature 800 degrees C) and the normal load adjusted to between 130 and 600 N. The frequency can be between 1 and 60 Hz.
M Kuno +4 more
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Composite Fretting Wear of Aluminum Alloy
Key Engineering Materials, 2007A complex relative motion of fretting combined by dual motions of radial and tangential fretting was achieved on a modified fretting tester. The composite fretting motion was induced by the action of an oscillating normal force in a sphere-on-inclined flat contact (52100 steel ball against 2091 aluminum alloy). Two types of inclined angles (45° and 60°)
Min Hao Zhu, Zhong Rong Zhou
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A generalized fretting wear theory
Tribology International, 2009Abstract Combined impact-sliding fretting wear is a complex phenomenon due to the random nature of the excitation force and the self-induced tribological changes. Available models, which relate wear losses to the process variables, are empirical in nature and bear no physical similarity to the actual mathematical and physical attributes of the wear ...
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Fretting wear of laterally supported tube
Wear, 2001The fretting wear of a tube, which is in contact with a lateral support, is examined experimentally. A fretting wear tester is specifically designed. Elastic springs are used as the support, which can simulate the contact between a spacer grid and a fuel rod in pressurized water reactor fuel. The tubes and the springs are made of Zircaloy-4.
Hyung-Kyu Kim +4 more
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Characterization and fretting wear behavior of zirconium alloy treated in high temperature water
Wear, 2023Zheng-yang Li +5 more
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Fretting wear of SiAlON ceramic
Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology, 2007Friction andwear properties of Si6- Z Al zO zN8- Z ( z = 0.5) were studied in case of fretting. SiAlON samples were prepared by hot pressing without any externally added liquid. The effect of running time, slip amplitude, and normal load on friction and wear were investigated.
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