Experimental study on fatigue performance and damage model of aluminum alloy welding joints for high-speed train car body

2009 ◽  
Author(s):  
Wenjing Wang ◽  
Qiang Li ◽  
Zhiming Liu ◽  
Binjie Wang
Keyword(s):  
Experimental Study ◽  
Aluminum Alloy ◽  
High Speed ◽  
Damage Model ◽  
Fatigue Performance ◽  
High Speed Train ◽  
Car Body ◽  
Welding Joints

Die optimization design and experimental study of a large wallboard aluminum alloy profile used for high-speed train

2014 ◽  
Vol 74 (1-4) ◽  
pp. 539-549 ◽  
Author(s):  
Guoqun Zhao ◽  
Hao Chen ◽  
Cunsheng Zhang ◽  
Yanjin Guan ◽  
Gao Anjiang ◽  
...  
Keyword(s):  
Experimental Study ◽  
Aluminum Alloy ◽  
High Speed ◽  
Optimization Design ◽  
High Speed Train

scholarly journals The coupled effects of bending and torsional flexural modes of a high-speed train car body on its vertical ride quality

2019 ◽  
Vol 233 (4) ◽  
pp. 979-993 ◽  
Author(s):  
Vahid Bokaeian ◽  
Mohammad A Rezvani ◽  
Robert Arcos
Keyword(s):  
Analytical Model ◽  
Quality Index ◽  
High Speed ◽  
Ride Quality ◽  
Vertical Acceleration ◽  
Beam Model ◽  
High Speed Train ◽  
Flexural Mode ◽  
Car Body ◽  
Rail Irregularities

This study is focused on the effects of bending and torsional flexural modes of the car body on the ride quality index of a high-speed train vehicle. The Euler–Bernoulli beam model is used to extract an analytical model for a high-speed train vehicle car body in order to investigate its bending and torsional flexural vibrations. The rigid model includes a car body, two bogie frames, and four wheelsets such that, each mass has three degrees of freedom including vertical displacement, pitch motion, and roll motion. The results obtained with the proposed analytical model are compared with experimental measurements of the car body response of a Shinkansen high-speed train. Moreover, it is determined that the bending and torsional flexural modes have significant effects on the vertical acceleration of the car body, particularly in the 9–15 Hz frequency range. Furthermore, the ride quality index is calculated according to the EN 12299 standard and it is shown that the faster the train the more affected is the ride quality by the flexural modes. In addition, the effect of coherence between two rail irregularities (the right and the left rails) on the results of the simulation is investigated. The results conclude that if the irregularities are completely correlated the torsional flexural mode of the car body does not appear in the response. Also, the first bending flexural mode in such cases is more excited compared with the partially correlated or uncorrelated rail irregularities. Therefore, the ride quality index in completely correlated cases is higher than other cases.

Superplastic Forming of Aluminum Alloy Car Body Panels

2005 ◽  
Vol 475-479 ◽  
pp. 3025-3028 ◽  
Author(s):  
Zhi Peng Zeng ◽  
Yan Shu Zhang ◽  
Yi Zhou ◽  
Quan Lin Jin
Keyword(s):  
Experimental Study ◽  
Aluminum Alloy ◽  
Superplastic Forming ◽  
Experimental Results ◽  
Temperature Controller ◽  
Car Body ◽  
Shape Characters

An experimental study on superplastic forming of a front fender of 5182 aluminum alloy is presented in this paper. Based on the shape characters of the front fender and the material experimental results, dies, heater and temperature controller for superplastic forming of the fender are designed and manufactured. The SPF results show the designed processing and dies are reasonable and feasible.

Hardness matching of rail/wheel steels for high-speed-train based on wear rate and rolling contact fatigue performance

2019 ◽  
Vol 6 (6) ◽  
pp. 066501 ◽  
Author(s):  
Xiaojiao Shi ◽  
Qingzhi Yan ◽  
Xiaoxin Zhang ◽  
Guijiang Diao ◽  
Chenchen Zhang ◽  
...  
Keyword(s):  
Wear Rate ◽  
High Speed ◽  
Rolling Contact Fatigue ◽  
Contact Fatigue ◽  
Rolling Contact ◽  
Fatigue Performance ◽  
High Speed Train

A Numerical and Experimental Study of Sonic Booms Generated in High-Speed Train Tunnels

1995 ◽  
pp. 353-358 ◽  
Author(s):  
A. Sasoh ◽  
T. Saito ◽  
S. Funabashi ◽  
O. Onodera ◽  
K. Takayama ◽  
...  
Keyword(s):  
Experimental Study ◽  
High Speed ◽  
High Speed Train ◽  
Sonic Booms
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