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Finite Element-Based Fatigue Behaviour of Springs in Automobile Suspension

This paper presents the fatigue behaviour of springs used in shock absorbers in automobile suspension systems. SAE 9254 is considered as a spring material. Triangular waves with a frequency of 4 Hz and SAE standard suspension loading history (SAESUS) were used for fatigue analysis. Both load histori...

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Main Authors: Kamal, M., M. M., Rahman
Format: Article
Language:English
Published: Universiti Malaysia Pahang 2014
Subjects:
TJ Mechanical engineering and machinery
Online Access:http://umpir.ump.edu.my/id/eprint/8182/1/8_Kamal_and_Rahman.pdf
http://umpir.ump.edu.my/id/eprint/8182/
http://dx.doi.org/10.15282/ijame.10.2014.8.0159
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spelling my.ump.umpir.81822018-01-25T02:55:25Z http://umpir.ump.edu.my/id/eprint/8182/ Finite Element-Based Fatigue Behaviour of Springs in Automobile Suspension Kamal, M. M. M., Rahman TJ Mechanical engineering and machinery This paper presents the fatigue behaviour of springs used in shock absorbers in automobile suspension systems. SAE 9254 is considered as a spring material. Triangular waves with a frequency of 4 Hz and SAE standard suspension loading history (SAESUS) were used for fatigue analysis. Both load histories are scaled according to the maximum and minimum values of deflection, as spring height at full-bump and full-rebound, respectively. Finite element analysis was carried out using the linear static approach. Fatigue analysis was performed using the strain-life method. Absolute maximum principal and critical plane approaches gave results of reasonable accuracy, but later had a considerably longer solution time, while signed von Mises and signed shear approaches gave very conservative results. Thus the absolute maximum principal method is found to be the best suited. The results show that the spring did not fail before 4×105 cycles at 4 Hz for wave time history and 70,000 repeats for SAESUS time history at critical location Universiti Malaysia Pahang 2014-12-30 Article PeerReviewed application/pdf en cc_by http://umpir.ump.edu.my/id/eprint/8182/1/8_Kamal_and_Rahman.pdf Kamal, M. and M. M., Rahman (2014) Finite Element-Based Fatigue Behaviour of Springs in Automobile Suspension. International Journal of Automotive and Mechanical Engineering (IJAME), 10. pp. 1910-1919. ISSN 1985-9325(Print); 2180-1606 (Online) http://dx.doi.org/10.15282/ijame.10.2014.8.0159 DOI: 10.15282/ijame.10.2014.8.0159
institution Universiti Malaysia Pahang
building UMP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Pahang
content_source UMP Institutional Repository
url_provider http://umpir.ump.edu.my/
language English
topic TJ Mechanical engineering and machinery
spellingShingle TJ Mechanical engineering and machinery
Kamal, M.
M. M., Rahman
Finite Element-Based Fatigue Behaviour of Springs in Automobile Suspension
description This paper presents the fatigue behaviour of springs used in shock absorbers in automobile suspension systems. SAE 9254 is considered as a spring material. Triangular waves with a frequency of 4 Hz and SAE standard suspension loading history (SAESUS) were used for fatigue analysis. Both load histories are scaled according to the maximum and minimum values of deflection, as spring height at full-bump and full-rebound, respectively. Finite element analysis was carried out using the linear static approach. Fatigue analysis was performed using the strain-life method. Absolute maximum principal and critical plane approaches gave results of reasonable accuracy, but later had a considerably longer solution time, while signed von Mises and signed shear approaches gave very conservative results. Thus the absolute maximum principal method is found to be the best suited. The results show that the spring did not fail before 4×105 cycles at 4 Hz for wave time history and 70,000 repeats for SAESUS time history at critical location
format Article
author Kamal, M.
M. M., Rahman
author_facet Kamal, M.
M. M., Rahman
author_sort Kamal, M.
title Finite Element-Based Fatigue Behaviour of Springs in Automobile Suspension
title_short Finite Element-Based Fatigue Behaviour of Springs in Automobile Suspension
title_full Finite Element-Based Fatigue Behaviour of Springs in Automobile Suspension
title_fullStr Finite Element-Based Fatigue Behaviour of Springs in Automobile Suspension
title_full_unstemmed Finite Element-Based Fatigue Behaviour of Springs in Automobile Suspension
title_sort finite element-based fatigue behaviour of springs in automobile suspension
publisher Universiti Malaysia Pahang
publishDate 2014
url http://umpir.ump.edu.my/id/eprint/8182/1/8_Kamal_and_Rahman.pdf
http://umpir.ump.edu.my/id/eprint/8182/
http://dx.doi.org/10.15282/ijame.10.2014.8.0159
_version_ 1643665804888113152
score 13.211869

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