Thermal sensing and imaging of the dry-sliding contact surface using IR thermomicroscope

Takahide Sakagami; Keiji Ogura; Masahiro Shoda

doi:10.1117/12.204862

28 March 1995 Thermal sensing and imaging of the dry-sliding contact surface using IR thermomicroscope

Takahide Sakagami, Keiji Ogura, Masahiro Shoda

Proceedings Volume 2473, Thermosense XVII: An International Conference on Thermal Sensing and Imaging Diagnostic Applications; (1995) https://doi.org/10.1117/12.204862
Event: SPIE's 1995 Symposium on OE/Aerospace Sensing and Dual Use Photonics, 1995, Orlando, FL, United States

Abstract

A new experimental technique using an infrared (IR) thermography combined with IR transmitting materials is proposed for the visualization of the contact surface temperature of two solids. A dry sliding contact between a pin and a disk is investigated. IR transmitting solids such as sapphire, alumina ceramics and silicon are employed for the disk material. The temperature distribution on the contact surface is measured by the IR thermography through the IR transmitting disk. It is found that the temperature rise on the contact surface as well as the contact area is accurately analyzed from the obtained thermal images. The influence of contact pressure and sliding velocity on the contact surface temperature is discussed. Further, the dynamic process of wear of bearing steel against sapphire is investigated under dry sliding contact by the new type IRCCD thermography. Transient temperature distribution around the frictional heat spot was computed by the FEM analyses in order to estimate the magnitude of flush temperature from the experimental result in the dry sliding contact. All the results show that the proposed technique is useful for examining the successive process of the tribological phenomena.

Citation Download Citation

Takahide Sakagami, Keiji Ogura, and Masahiro Shoda "Thermal sensing and imaging of the dry-sliding contact surface using IR thermomicroscope", Proc. SPIE 2473, Thermosense XVII: An International Conference on Thermal Sensing and Imaging Diagnostic Applications, (28 March 1995); https://doi.org/10.1117/12.204862

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