Influence of surface treatments on fatigue life of a two-stroke free piston linear engine component using random loading

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8 Citations (Scopus)

Abstract

This paper describes the finite element (FE) analysis technique to predict fatigue life using the narrow band frequency response approach. The life prediction results are useful for improving the component design methodology at the very early development stage. The approach is found to be suitable for a periodic loading but requires very large time records to accurately describe random loading processes. This paper is aimed at investigating the effects of surface treatments on the fatigue life of the free piston linear engine's components. Finite element modelling and frequency response analysis were conducted using computer aided design and finite element analysis commercial codes, respectively. In addition, the fatigue life prediction was carried out using finite element based fatigue analysis commercial code. Narrow band approach was specially applied to predict the fatigue life of the free piston linear engine cylinder block. Significant variation was observed between the surface treatments and untreated cylinder block of free piston engine. The obtained results indicated that nitrided treatment yielded the longest life. This approach can determine premature products failure phenomena, and therefore can reduce time to market, improve product reliability and customer confidence.

Original languageEnglish
Pages (from-to)1819-1830
Number of pages12
JournalJournal of Zhejiang University: Science
Volume7
Issue number11
DOIs
Publication statusPublished - Nov 2006

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Pistons
Surface treatment
Fatigue of materials
Engines
Cylinder blocks
Frequency response
Free piston engines
Finite element method
Engine cylinders
Computer aided design

Keywords

  • Finite element (FE)
  • Frequency response
  • Power spectral density function
  • Surface treatment
  • Vibration fatigue

ASJC Scopus subject areas

  • Engineering(all)

Cite this

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title = "Influence of surface treatments on fatigue life of a two-stroke free piston linear engine component using random loading",
abstract = "This paper describes the finite element (FE) analysis technique to predict fatigue life using the narrow band frequency response approach. The life prediction results are useful for improving the component design methodology at the very early development stage. The approach is found to be suitable for a periodic loading but requires very large time records to accurately describe random loading processes. This paper is aimed at investigating the effects of surface treatments on the fatigue life of the free piston linear engine's components. Finite element modelling and frequency response analysis were conducted using computer aided design and finite element analysis commercial codes, respectively. In addition, the fatigue life prediction was carried out using finite element based fatigue analysis commercial code. Narrow band approach was specially applied to predict the fatigue life of the free piston linear engine cylinder block. Significant variation was observed between the surface treatments and untreated cylinder block of free piston engine. The obtained results indicated that nitrided treatment yielded the longest life. This approach can determine premature products failure phenomena, and therefore can reduce time to market, improve product reliability and customer confidence.",
keywords = "Finite element (FE), Frequency response, Power spectral density function, Surface treatment, Vibration fatigue",
author = "Rahman, {M. M.} and {Mohd Ihsan}, {Ahmad Kamal Ariffin} and Nordin Jamaludin and {Che Haron}, {Che Hassan}",
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AU - Rahman, M. M.

AU - Mohd Ihsan, Ahmad Kamal Ariffin

AU - Jamaludin, Nordin

AU - Che Haron, Che Hassan

PY - 2006/11

Y1 - 2006/11

N2 - This paper describes the finite element (FE) analysis technique to predict fatigue life using the narrow band frequency response approach. The life prediction results are useful for improving the component design methodology at the very early development stage. The approach is found to be suitable for a periodic loading but requires very large time records to accurately describe random loading processes. This paper is aimed at investigating the effects of surface treatments on the fatigue life of the free piston linear engine's components. Finite element modelling and frequency response analysis were conducted using computer aided design and finite element analysis commercial codes, respectively. In addition, the fatigue life prediction was carried out using finite element based fatigue analysis commercial code. Narrow band approach was specially applied to predict the fatigue life of the free piston linear engine cylinder block. Significant variation was observed between the surface treatments and untreated cylinder block of free piston engine. The obtained results indicated that nitrided treatment yielded the longest life. This approach can determine premature products failure phenomena, and therefore can reduce time to market, improve product reliability and customer confidence.

AB - This paper describes the finite element (FE) analysis technique to predict fatigue life using the narrow band frequency response approach. The life prediction results are useful for improving the component design methodology at the very early development stage. The approach is found to be suitable for a periodic loading but requires very large time records to accurately describe random loading processes. This paper is aimed at investigating the effects of surface treatments on the fatigue life of the free piston linear engine's components. Finite element modelling and frequency response analysis were conducted using computer aided design and finite element analysis commercial codes, respectively. In addition, the fatigue life prediction was carried out using finite element based fatigue analysis commercial code. Narrow band approach was specially applied to predict the fatigue life of the free piston linear engine cylinder block. Significant variation was observed between the surface treatments and untreated cylinder block of free piston engine. The obtained results indicated that nitrided treatment yielded the longest life. This approach can determine premature products failure phenomena, and therefore can reduce time to market, improve product reliability and customer confidence.

KW - Finite element (FE)

KW - Frequency response

KW - Power spectral density function

KW - Surface treatment

KW - Vibration fatigue

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