Fatigue properties of strained very thin 304 stainless steel sheets

Ammar Adil Al-Bakri, Zainuddin Sajuri, M. Abdulrazzaq, Ahmad Kamal Ariffin Mohd Ihsan, Mohd Salehudin Fafmin

Research output: Contribution to journalArticle

Abstract

This paper aims to study the properties of 300μm thickness 304 stainless steel. This research topic was selected considering the high demand for the production of small products such as smart phones, solar systems, hard drives, etc. Stainless steel was chosen for its low cost, suitable weight, and good mechanical properties in terms of strength and deformation compared to other materials. However, specimen size and strain may affect the results achieved. In this study, the effects of 2% and 5% strains on the fatigue strength of very thin 304 stainless steel sheets were investigated. Fatigue samples were cut into dumbbell-shapes with a rectangular cross-section as per ASTM E8. The tensile testing results showed that 300μm thickness heat-treated specimen sheets had less strain hardening with clear evidence of yielding. The fatigue test showed that higher strain values lengthened the fatigue life cycles of the stainless steel specimens. From this study, it can be concluded that tensile strain can improve the fatigue strength of very thin 304 stainless steel sheets.

Original languageEnglish
Pages (from-to)4171-4182
Number of pages12
JournalInternational Journal of Automotive and Mechanical Engineering
Volume14
Issue number2
DOIs
Publication statusPublished - 1 Jun 2017

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Steel sheet
Stainless steel
Fatigue of materials
Tensile strain
Solar system
Tensile testing
Strain hardening
Life cycle
Mechanical properties
Costs
Fatigue strength

Keywords

  • Fatigue strength
  • Fracture behaviour
  • Hardness
  • Tensile properties
  • Thin sheet

ASJC Scopus subject areas

  • Automotive Engineering
  • Mechanical Engineering

Cite this

Fatigue properties of strained very thin 304 stainless steel sheets. / Al-Bakri, Ammar Adil; Sajuri, Zainuddin; Abdulrazzaq, M.; Mohd Ihsan, Ahmad Kamal Ariffin; Fafmin, Mohd Salehudin.

In: International Journal of Automotive and Mechanical Engineering, Vol. 14, No. 2, 01.06.2017, p. 4171-4182.

Research output: Contribution to journalArticle

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