Tribology Letters

, 67:13 | Cite as

Intelligent Solid Lubricant Materials with Failure Early-Warning Based on Triboluminescence

  • Hua Xu
  • Fu Wang
  • Zhaofeng WangEmail author
  • Hui Zhou
  • Guangan Zhang
  • Jiachi ZhangEmail author
  • Jinqing Wang
  • Shengrong Yang


In this work, triboluminescent powders (SrAl2O4: Eu2+, Dy3+) were composited with the typical graphite/epoxy solid lubricant materials, and the corresponding tribological properties and triboluminescent performance were investigated. The results suggest that the introduction of SrAl2O4: Eu2+, Dy3+ could not only maintain the friction coefficient and the wear rate of the graphite/epoxy solid lubricant materials, but also endow the composites intense triboluminescence. Based on the above results, a bilayered SrAl2O4: Eu2+, Dy3+/graphite/epoxy self-lubricating bulk material and a bilayered SrAl2O4: Eu2+, Dy3+/graphite/epoxy solid lubricant coating were developed, and the intelligent wear out early-warning was in situ achieved in the lubricant coating based on the monitoring of triboluminescence.


Solid lubricant materials Bilayered structure Failure early-warning Triboluminescence 



This work is supported by the Natural Science Foundation of Gansu Province (17JR5RA319 and 18JR3RA384), the CAS Pioneer Hundred Talents Program, and the National Natural Science Foundation of China (51805519).

Supplementary material

11249_2018_1120_MOESM1_ESM.docx (616 kb)
Supplementary material 1 (DOCX 616 KB)


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© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical PhysicsChinese Academy of SciencesLanzhouChina
  2. 2.Key Laboratory for Magnetism and Magnetic Materials of the Ministry of EducationLanzhou UniversityLanzhouChina

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