Temperature Rise of an Adhesive Particle-Reinforced Polymer during Fatigue Testing

Construction adhesives are usually polymers that have been modified to achieve specific properties so that they can be used under various loading conditions. An attempt was made to estimate the effect of fatigue loading on the temperature of an adhesive material by further physically modifying the basic adhesive composition used in the research. The temperature of the materials during the tests was recorded using a thermal imaging camera and a thermoelectric thermometer. For most materials tested at 20 Hz, an increase in the number of load cycles corresponded to an increase in the temperature of the samples. For a frequency of 30 Hz, after the temperature increased by a certain value, the temperature of the modified samples recorded with the thermal imaging camera decreased. Fatigue loading caused an increase of the temperature of all tested polymeric materials. Observation of the sample during testing with a thermal imaging camera allows a simple identification of the areas with the highest temperature and can be much more useful in practice than recording temperatures with a thermocouple thermometer, as thermocouples need to be properly positioned before testing.

Automated summary

The research modified the basic adhesive composition to estimate the effect of fatigue loading on the temperature of the adhesive material. The temperature of the materials was recorded using a thermal imaging camera and a thermoelectric thermometer. An increase in the number of load cycles corresponded to an increase in the temperature of most tested materials at 20 Hz, while a decrease in temperature was observed for modified samples at a frequency of 30 Hz after a certain value. Fatigue loading caused an increase in the temperature of all tested polymeric materials. The use of a thermal imaging camera allowed for simple identification of areas with the highest temperature during testing, providing more practical use compared to thermocouple thermometers.