Experimental technique for fatigue testing of MEMS in liquids

Shaikh Mubassar Ali, Susan C. Mantell, Ellen K. Longmire

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


An experimental technique for the fatigue testing of micro- electromechanical systems (MEMS) in liquid environments is described in this paper. A bulk-micromachined MEMS tensile specimen with integral grips was fabricated, and tensile-tensile fatigue tests were performed in air and in a saline solution. The fatigue life of the 200-nm thick aluminum specimen was observed to range from 1.2 × 10 6 to 2.2 × 10 6 cycles when tested at equal values of the mean and alternating stresses of 0.13 GPa.

Original languageEnglish (US)
Article number6150988
Pages (from-to)520-522
Number of pages3
JournalJournal of Microelectromechanical Systems
Issue number3
StatePublished - 2012

Bibliographical note

Funding Information:
Manuscript received August 23, 2011; accepted November 16, 2011. Date of publication February 10, 2012; date of current version May 28, 2012. This work was supported in part by the National Science Foundation under Award Number CMS-0300125. Subject Editor C. Mastrangelo.


  • Corrosion
  • fatigue
  • microelectromechanical systems (MEMS)
  • reliability
  • thin film


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