Results 1 to 10 of about 223 (142)
Influence of speed of rail flaw detection on the reliability of its results
E3S Web of Conferences, 2023 The system of non-destructive testing of rails during their operation on the railroad network of the Russian Federation is based on the use of removable and mobile means of flaw detection. The increase in the volume of control by mobile means in recent years is explained by their higher productivity due to the higher speed of control.
Davydkin A.V. +2 more
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A Study on Ultrasonic Detection of Flaws in Welds of Rails
, 1999 During manufacture and in service, various defects might emergence in rails. Some defects are volume ones, and others are planar ones, like facula, greyness, non-welded together and fatigue crack. plane defects are very dangerous. They not only reduce the effective section of rail, but also bring on stress concentration.
Lianxiu, Li +2 more
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Linearized MFL Model for Embedded Flaw Detection in Rails
, 1996 Numerical models simulating magnetic flux leakage (MFL) phenomenon in ferromagnetic materials are nonlinear in nature and hence require excessive computational effort. This paper describes an approach for developing an equivalent linear model (ELM) where the ferromagnetic region is appropriately partitioned into different domains with each domain being
Zhang, Z. +6 more
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Integrated Intelligent System for Rail Flaw Detection Vehicle
, 2021 Ultrasonic testing is widely used to detect rail internal fatigue damage in large-scale rail flaw detection vehicles. However, the existing domestic ultrasonic system architecture platform has the phenomenon of data congestion and computer crash when it is used in the detection of complex railway sections, which leads to the missing detection of ...
Xiangyang ZHANG, Jiangping LUO
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GTC-80 Rail Flaw Detection Car
, 2013 Main technical parameters and vehicle distribution of GTC-80 rail flaw detection car were introduced, as well as the car body,bogie, brake system, flaw detection system and circulation detection system. Technical characteristics of GTC-80 rail flaw detection car weresummarized, and operation test were presented.
ZHANG Xiang-yang, ZHANG Gao-feng
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GTC-80 Plateau Rail Flaw Detection Vehicle
, 2015 To satisfy the requirement of 5 100 m altitude height Qingzang railway rail detection, GTC-80 plateau rail flaw detection vehicle was developed. Pertinence measures was adopted for the bad climatic conditions of high altitude, low atmospheric pressure, oxygen lack, high coldness, big temperature difference, sand storm etc.
JIA Jinglan +4 more
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Detection of Rail Defects Using NDT Methods. [PDF]
Sensors (Basel), 2023 Xiong L, Jing G, Wang J, Liu X, Zhang Y.
europepmc +1 more source
DGTC-80 Subway Rail Flaw Detection Vehicle
, 2017 DGTC-80 subway rail flaw detection vehicle was designed to complete subway rail internal flaw detection well and reduce emission pollution to environment around. DGTC-80 subway rail flaw detection vehicle was equipped with Euro IV emission standards engine and international advanced SYS-1900 rail flaw detection system, advanced laser centering device ...
ZHANG Longping, YANG Fei
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Sensor Fusion and Advanced Controller for Connected and Automated Vehicles. [PDF]
Sensors (Basel), 2023 Li B +4 more
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Analysis and Flaw Recognition Application of 70o Probe Echoes for Rail Flaw Detection Vehicles
Kongzhi Yu Xinxi JishuThis paper delves into the impact of abnormal echoes at the rail head on flaw recognition resulting from the central 70° probes on rail flaw detection (RFD) vehicles. Using B-scan data showcasing such 70° probe echoes near a transverse crack at the rail base on a rail flaw detection calibration track, this study elucidated the ultrasonic propagation ...
XIA Lang +3 more
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