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- W3088432856 abstract "With the purpose of researching the effect of train vibrancy on the security of high-speed rail wheels, it is depended on Metal Magnetic Memory detection technology, accelerated vibration fatigue test method is adopted, and the ANSYS simulation software is used to analyze the impact of the accelerated vibrancy of 25CrMo4 stuff on the magnetic memory signal. By increasing the vibration amplitude and frequency, the actual vibration time 800d, 1200d, 1600d, 2000d is shortened equivalently. From 800d to 2000d, the tangential average value of magnetic memory values are reduced from 104.5 A/m to −10 A/m, the normal mean value increases from −32 A/m to −20 A/m. In addition, as the vibrancy time augments, the magnetic field strength vector value gradually decreases. According to the analysis of frequency spectrum, the lower frequency signal is located 0 Hz~10 Hz. As the vibrancy time increases, the magnetic memory signal energy concentration phenomenon appears. Furthermore, the effect of high-frequency noise signals on the energy distribution of metal magnetic memory signal gradually decreases. Through acceleration and vibration simulation analysis of 25CrMo4 material, the connection of metal magnetic memory value with vibrancy time is verified. The relevance at simulation and measured signals provide significant guides to wheelset operation security detection." @default.
- W3088432856 created "2020-10-01" @default.
- W3088432856 creator A5051465138 @default.
- W3088432856 creator A5091642147 @default.
- W3088432856 date "2020-09-24" @default.
- W3088432856 modified "2023-09-23" @default.
- W3088432856 title "Analysis of Accelerated Vibration-Magnetic Effect of 25CrMo4" @default.
- W3088432856 cites W2088606221 @default.
- W3088432856 doi "https://doi.org/10.1007/978-981-15-8450-3_51" @default.
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