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Durability Testing of Leaf Spring and Shock Absorber
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English
Abstract
Leaf spring and shock absorber are the main component of automotive suspension system which influence both safety and ride comfort. Spring rate as well as damping force characteristic play an important role in obtaining a better suspension characteristic.
This paper will describe durability test on leaf spring and shock absorber used in the automobile. Both characteristic such as spring rate and damping force were evaluated and the result will be correlated to the durability test result.
These durability test were carried out using closed loop servohydraulic testing machine, and were conducted at constant amplitude.
Fractography investigation was carried out to explain the durability test results. This would be used to interprete the cause and location of the propagating fatigue crack.
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Authors
- P. Santika - Laboratory for Strength of Materials, Components and Structures (LUK), (BPP Teknologi), Indonesia
- D. Wiyono - Laboratory for Strength of Materials, Components and Structures (LUK), (BPP Teknologi), Indonesia
- H. Subagyo - Laboratory for Strength of Materials, Components and Structures (LUK), (BPP Teknologi), Indonesia
Citation
Santika, P., Wiyono, D., and Subagyo, H., "Durability Testing of Leaf Spring and Shock Absorber," SAE Technical Paper 871284, 1987, https://doi.org/10.4271/871284.Also In
References
- Dengel Dieter Zeitschrift fuer Werkstofftechnik Journal of Material Technologi Germany 1975
- J A SO C 602 - 75: Telescopic shock absorber Japan
- Reimpell Joernsen Fahrwerktechnik3 Vogel - Verlag Wuerzburg - West Germany 1974
- Laboratorium Uji Konstruksi BPP Teknologi: LUK Test Report NO.86.C−.070.209 Jakarta 1986
- Laboratorium Uji Konstruksi BPP Teknologi: LUK Test Report No.12482009 Jakarta 1982
- SAE HS J 788: Manual on Design and Application of Leaf Spring Choice Book MFG Co 4th Pennsylvania 1982