In-situ measurements of surface temperature fields on ring-block contact surface under friction using infrared thermography

Tao You; Jianwei Yu; Xiaofen Yu

doi:10.1117/12.819636

31 December 2008 In-situ measurements of surface temperature fields on ring-block contact surface under friction using infrared thermography

Tao You, Jianwei Yu, Xiaofen Yu

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Proceedings Volume 7130, Fourth International Symposium on Precision Mechanical Measurements; 71302O (2008) https://doi.org/10.1117/12.819636
Event: Fourth International Symposium on Precision Mechanical Measurements, 2008, Anhui, China

Abstract

Measurement of Surface temperature in friction has became attracted extensive attention in modern industry, especially in manufacture. When the temperature in friction exceed a given value, the wear of parts will be accelerated. Some of the failed parts exhibited enormous thermal damage. Infrared thermography (ITG), sometimes called infrared(IR) imaging system, provides a quantification of the degradation in thermal performance as the machine are working and can be used to identify degrading parts for replacement before failures become immanent. A novel test technique is described in which surface temperatures were measured during tests of a rotating ring and a flat block which had a thermocouples embedded under its contact surface. The technique involves measurement of the radiation emitted by a side of the specimen immediately adjoining the ring-block contact region using a Charge Coupled Device (CCD) based ITG. By using an appropriate calibration procedure, measured radiation values are converted to temperatures. Novel aspects of the experimental technique are non-intrusive and full-field dynamic measurement at high spatial resolution and high sensitivity. This technique should facilitate study of thermal damage and multi-scale of thermal models in friction.

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Tao You, Jianwei Yu, and Xiaofen Yu "In-situ measurements of surface temperature fields on ring-block contact surface under friction using infrared thermography", Proc. SPIE 7130, Fourth International Symposium on Precision Mechanical Measurements, 71302O (31 December 2008); https://doi.org/10.1117/12.819636

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KEYWORDS

Temperature metrology

Calibration

Thermography

Infrared radiation

Staring arrays

Charge-coupled devices

Infrared imaging

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