Results 61 to 70 of about 28,309 (205)

Oil film measurement in polytetrafluoroethylene-faced thrust pad bearings for hydrogenerator applications [PDF]

, 2006
There is a growing trend in the replacement of the babbit facing in thrust pad bearings with a composite polytetrafluoroethylene (PTFE) surface layer. The PTFE-faced bearings have been shown to allow a greater specific pressure, reduce thermal crowning ...
Drinkwater, B.W., Dwyer-Joyce, R.S., Harper, P., Pritchard, J.   +3 more
core   +1 more source

Surface damage resulting from rolling contact operating in magnetic field [PDF]

, 2007
This paper describes the effects of magnetic field in rolling contact tests of steel by using a two-disc configuration and the investigation of mechanisms involved.
Iida, Y, Sato, K, Stolarski, T A
core   +1 more source

Effect of Ultrasonic Rolling on Surface Properties of GCr15 Spherical Joint Bearing

Lubricants
Ultrasonic surface rolling process (USRP) has the potential to improve the surface mechanical properties of metal components with platelike or cylindrical macrostructure, but its effect on spherical surfaces remains to be studied in depth.
Hao Zhang, Xiuli Yang, Xiqiang Ma, Dongliang Jin, Jinyuan You   +4 more
doaj   +1 more source

Improving Linear Weld Density in Ultrasonically Consolidated Parts [PDF]

, 2006
Ultrasonic consolidation is a novel additive manufacturing process with immense potential for fabrication of complex shaped three-dimensional metallic objects from metal foils.
George, J., Ram, G. D. Janaki, Robinson, C., Stucker, B. E., Yang, Y.   +4 more
core   +1 more source

Integrated ultrasonic particle positioning and low excitation light fluorescence imaging [PDF]

, 2013
A compact hybrid system has been developed to position and detect fluorescent micro-particles by combining a Single Photon Avalanche Diode (SPAD) imager with an acoustic manipulator. The detector comprises a SPAD array, light-emitting diode (LED), lenses,
Al-Rawhani, M., Beeley, J., Bernassau, A.L., Cumming, D.R.S.   +3 more
core   +2 more sources

Surface integrity and fatigue properties of Ti–6Al–4V alloy under the ultrasonic surface rolling process excited strain rate effect

Journal of Materials Research and Technology
Ultrasonic surface rolling process is a novel surface enhancement technique that significantly influences the surface integrity and fatigue performance of titanium alloys.
Xuming Zha, Hao Qin, Zhi Yuan, Linqing Xi, Xiao Chen, Yi Li, Qingshan Jiang, Zhilong Xu, Feng Jiang   +8 more
doaj   +1 more source

Review of mechanical vibration tests conducted on control moment gyros and life test fixtures [PDF]

Experimental vibration studies performed on a number of flight control moment gyros and bearing life test fixtures are summarized. Tests were performed at MSFC, at Wyle Laboratories, Huntsville, Alabama, and at the Bendix Corporation facilities in ...
Burchill, R. F.
core   +1 more source

Preparation and mechanical properties of LC cladding layer for friction parts

Frontiers in Mechanical Engineering
Introduction: In the actual engineering operation, there are some components facing high frequency friction, which have high damage rate and poor direct replacement benefit.
Lingbo Jiang
doaj   +1 more source

Study of stress corrosion in aluminum alloys [PDF]

, 1967
Mechanism of the stress corrosion cracking of high-strength aluminum alloys was investigated using electrochemical, mechanical, and electron microscopic techniques.
Brummer, S. B.
core   +1 more source

Effect of ultrasonic field quantity on microstructure and mechanical properties of 1060B aluminum alloy rolled plate

Journal of Materials Research and Technology
The application of ultrasonic vibration during continuous casting and rolling has emerged as a promising strategy for refining the microstructure and enhancing the mechanical properties of Al alloys.
Aolei Fu, Ripeng Jiang, Ruiqing Li, Anqing Li, Lihua Zhang, Li Zhang   +5 more
doaj   +1 more source