Real-time monitoring of dynamic stress concentration by mechanoluminescent sensing film

C. Li, C. Xu, Y. Imai, W. X. Wang, L. Zhang, H. Yamada

Research output: Contribution to journalConference article

18 Citations (Scopus)

Abstract

In this paper, we demonstrate that a dynamic stress concentration around Lüders band can be directly displayed using mechanoluminescence (ML) sensing film of SrAl2O4:Eu (SAO) coated on the surface of metal. Uniaxial tensile test of an aluminum alloy (2.5% Mg) plate coated with the SAO sensing film was performed and the ML images were recorded using a high-speed camera. Captured ML images confirmed the formation and propagation of Lüders band clearly in real time.

Original languageEnglish
Pages (from-to)247-250
Number of pages4
JournalApplied Mechanics and Materials
Volume13-14
DOIs
Publication statusPublished - Jan 1 2008
Event6th International Conference on Advances in Experimental Mechanics - London, United Kingdom
Duration: Sep 9 2008Sep 11 2008

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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