Results 1 to 10 of about 10,250 (188)

A Flexible Arrayed Eddy Current Sensor for Inspection of Hollow Axle Inner Surfaces [PDF]

open access: yesSensors, 2016
A reliable and accurate inspection of the hollow axle inner surface is important for the safe operation of high-speed trains. In order to improve the reliability of the inspection, a flexible arrayed eddy current sensor for non-destructive testing of the
Zhenguo Sun   +4 more
doaj   +5 more sources

Mechanism of integrated forming of shape and inner hole of hollow axle

open access: yesMetalurgija, 2022
The paper introduces a new technology of the integrated forming of shape and inner hole of hollow axle. Firstly, the design of the process is described. Secondly, the range of feed angle of two sets of rolls and the principle to be followed are explained.
C. Q. Ye   +4 more
doaj   +2 more sources

Research on metal reflow law of three roll skew rolling (TRSR) hollow axle

open access: yesMetalurgija, 2022
In the process of TRSR hollow axle, there is metal reflow on the surface of the rolled piece, which greatly reduces the forming accuracy of the rolled piece. To solve this problem, it is necessary to study the metal reflow law of axle body.
J. T. Wang   +5 more
doaj   +2 more sources

Weld Distortion and Residual Stresses in Aluminum Hollow Section T-Joint [PDF]

open access: yesInternational Journal of Advanced Design and Manufacturing Technology, 2022
Welding is known as one of the most popular attaching methods for different hollow section components. However, local concentrated heating, distortion, and residual stresses at welded joints are unavoidable.
Asghar Mahdian   +2 more
doaj   +1 more source

Analysis and Prospect of Precision Plastic Forming Technologies for Production of High-Speed-Train Hollow Axles

open access: yesMetals, 2023
The hollow axle is the key basic component of high-speed trains. How to realize its production with short process and high-quality precision plastic forming is the frontier of current research and a major problem to be solved.
Xuedao Shu   +7 more
doaj   +1 more source

Bumble Bee Colony Maintains Nest Site despite High Disturbance Level

open access: yesAgronomy, 2023
During the 2021 spring a Bombus terricola Kirby queen initiated a nest in the hollow iron front axle of a 1950 John Deere 40U tractor that was being repaired outside in Bowdoinham, Maine.
Francis A. Drummond
doaj   +1 more source

DBEM crack propagation for nonlinear fracture problems [PDF]

open access: yesFracture and Structural Integrity, 2015
A three-dimensional crack propagation simulation is performed by the Dual Boundary Element Method (DBEM). The Stress Intensity Factors (SIFs) along the front of a semi elliptical crack, initiated from the external surface of a hollow axle, are ...
R. Citarella, V. Giannella, M. Lepore
doaj   +3 more sources

WHEELSET AXLE WITH THE CAVITY OF UNIFORM CROSS SECTION

open access: yesNauka ta progres transportu, 2014
Purpose. Due to operation in complex loading conditions, the rolling stock wheelsets should provide high reliability, since the train traffic safety largely depends on them.
S. R. Kolesnykov   +2 more
doaj   +1 more source

Resource–saving Reserve of Strength Characteristics of Longitudinal Beam of the Metro Wagon Truck [PDF]

open access: yes, 2018
In this paper, an analysis of methods for calculating structures from allowable stresses and from limiting states is made. It is shown that when the transition from the longitudinal beam calculation to the allowable stresses to the calculation of the ...
Kuznetzov, A. (Aleksandr)   +2 more
core   +2 more sources

Development of an efficient finite element model for the dynamic analysis of the train-bridge interaction [PDF]

open access: yes, 2010
The design of high-speed railway bridges comprises a set of demands, from safety and serviceability aspects, to new types of equipment and construction solutions.
Azevedo, A., Calcada, R., Neves, Sérgio
core   +1 more source

Home - About - Disclaimer - Privacy