Results 61 to 70 of about 25,453 (205)

Experimental rig for measuring lubricant film thickness in rolling bearings [PDF]

open access: yes, 2014
Electrical capacitance has been applied in the past for measuring the lubricant film thickness in rolling element bearings. The main difficulty arises from the fact that the measured capacitance is a combination of the capacitances of many rolling ...
Glovnea, Romeo   +2 more
core   +1 more source

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

open access: yesJournal 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   +8 more
doaj   +1 more source

Ultrasonic roll bite measurements in cold rolling: Contact length and strip thickness [PDF]

open access: yes, 2017
In cold rolling of thin metal strip, contact conditions between the work rolls and the strip are of great importance: roll deformations and their effect on strip thickness variation may lead to strip flatness defects and thickness inhomogeneity.
Boman, R.   +6 more
core   +1 more source

Study on Ultrasonic Rolling Enhancement of TC4 and Its Tribological Characteristics Under Seawater Lubrication

open access: yesLubricants
To enhance the abrasion resistance of TC4 titanium alloy and meet the demand for wear-resistant and corrosion-resistant friction pair materials for water-hydraulic components of marine equipment, the tribological properties of the material subsequent to ...
Shuaihui Wang   +6 more
doaj   +1 more source

Evaluation of laser range-finder mapping for agricultural spraying vehicles [PDF]

open access: yes, 2013
In this paper, we present a new application of laser range-finder sensing to agricultural spraying vehicles. The current generation of spraying vehicles use automatic controllers to maintain the height of the sprayer booms above the crop. However, these
A Nüchter   +10 more
core   +1 more source

Experimental characterization of wheel-rail contact patch evolution [PDF]

open access: yes, 2006
The contact area and pressure distribution in a wheel/rail contact is essential information required in any fatigue or wear calculations to determine design life, re-grinding, and maintenance schedules. As wheel or rail wear or surface damage takes place
Björklund, S.   +4 more
core   +1 more source

Study of stress corrosion in aluminum alloys [PDF]

open access: yes, 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

Improving the Wear Resistance of Profiled Parts of Binding Equipment by Forming a Microrelief Using the Ultrasonic Burnishing Method

open access: yesТехнологія і техніка друкарства
The object of this research is the process of improving the wear resistance of profiled components of bookbinding equipment by forming a strengthening microrelief using ultrasonic rolling.
Василь Борисович Струтинський
doaj   +1 more source

SIMLATION OF 3D RESIDUAL STRESS FIELD OF ULTRASONIC SURFACE ROLLING BY DYNAMIC FINITE ELEMENT ANALYSIS

open access: yesJixie qiangdu, 2017
The present paper presents a numerical approach to investigate the surface layer residual stress after ultrasonic surface rolling process(USRP),which is a severe plastic deformation process involving complex static extrusion and dynamic impact.According ...
ZHAO YunCai, WEN ChunBin
doaj  

Design and Analysis for the Double-roller Gear Longitudinal Torsional Compound Ultrasonic Rolling System

open access: yesJixie chuandong, 2021
This study attempts to solve the problems such as low efficiency and relatively small range due to the constraints of device and monotony of vibration in ultrasonic assisted rolling of gears.
Jinhao Gao   +3 more
doaj  

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