منابع مشابه
Automated System for Magnetic Particle Inspection of Railway Wheels
This paper presents a new developed automated system used for flaw detection and classification on railway wheels. The described system uses the principle of non-destructive method based magnetic particle inspection. Our proposed and finally constructed automated system is used in industrial applications where non-destructive testing of railway wheels is desired. As a part of testing line, it i...
متن کاملThe Influence of Wheel/Rail Contact Conditions on the Microstructure and Hardness of Railway Wheels
The susceptibility of railway wheels to wear and rolling contact fatigue damage is influenced by the properties of the wheel material. These are influenced by the steel composition, wheel manufacturing process, and thermal and mechanical loading during operation. The in-service properties therefore vary with depth below the surface and with position across the wheel tread. This paper discusses ...
متن کاملAnalytical Study of Dynamic Response of Railway on Partial Elastic Foundation under Travelling Accelerating Concentrated Load
The dynamic response of the railway under accelerated moving load using Dynamic Green Function is presented in this paper. For this purpose, an exact and direct modeling technique is introduced for the railway modeling as the damped Euler-Bernoulli beam on the partial Winkler foundation with arbitrary boundary conditions subjected to the moving load. The effects of the elastic coefficient of Wi...
متن کاملLife Estimation in the Railway Wheels Under the Influence of Residual Stress Field
This paper presents the prediction of fatigue life and crack propagation in the railway wheel due to the stress field caused by mechanical loads and press fitting process of a railway wheel. A 3-D nonlinear stress analysis model has been applied to estimate stress fields of the railway wheel in press fitting process. Finite element analysis model is presented applying the elastic–plastic fin...
متن کاملOn Chromaticity of Wheels
Let the vertices of a graph such that every two adjacent vertices have different color is a very common problem in the graph theory. This is known as proper coloring of graphs. The possible number of different proper colorings on a graph with a given number of colors can be represented by a function called the chromatic polynomial. Two graphs G and H are said to be chromatically equivalent, if ...
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ژورنال
عنوان ژورنال: Journal of the Franklin Institute
سال: 1864
ISSN: 0016-0032
DOI: 10.1016/0016-0032(64)90243-1