A study on fatigue life and strength of a GFRP composite bogie frame for urban subway trains

被引：16
作者：
Jeon, K. W. [2 ]
Shin, K. B. [1 ]
Kim, J. S. [2 ,3 ]
机构：
[1] HANBAT Natl Univ, Dept Mech Engn, San 16-1, Taejon 305719, South Korea
[2] HANBAT Natl Univ, Grad Sch Mech Engn, Taejon 305719, South Korea
[3] Korea Railroad Res Inst, Railroad Struct Res Dept, Uiwang 437757, South Korea
来源：
11TH INTERNATIONAL CONFERENCE ON THE MECHANICAL BEHAVIOR OF MATERIALS (ICM11) | 2011年 / 10卷
关键词：
Composite bogie frame; fatigue life and strength; tension-compression fatigue;
D O I：
10.1016/j.proeng.2011.04.396
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The objective of this study is to evaluate the fatigue life and strength of a GFRP bogie frame for urban subway train. The bogie frame was made of a GEP224 glass fiber/epoxy 4-harness satin woven composite. In order to obtain the S-N curve for a composite material applied to composite bogie frame, the tension-compression fatigue test was done with different stacking sequence of warp-direction, fill-direction, and 0 degrees/90 degrees-direction, respectively. The fatigue test was conducted with stress ratio (R) of -1, frequency of 5Hz and endurance limit of 10(7). The fatigue strength of bogie frame was evaluated by Goodman diagram according to the JIS E 4207. The results show that fatigue life and strength of a GFRP composite bogie have satisfied the requirements of JIS E 4207. Also, the GFRP composite bogie frame had a good fatigue performance in comparison with conventional metal bogie frame based on SM490A, considering its weight. (C) 2011 Published by Elsevier Ltd. Selection and peer-review under responsibility of ICM11
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页数：6
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