Abstract
To research the effect of temperature on the interfacial bonding strength of the steel cord rubber conveyor belt, an electronic universal material testing machine and a temperature control box were used as the test equipment. The withdrawal force of the steel cord skeleton of the rubber conveyor belt was tested in the temperature range of −30 °C to +40 °C. Concurrently, the interfacial morphology between the steel cord and rubber at different temperatures was observed by using an ultra deep field electron microscope. Finally, different bonding strength prediction models were established. The results show that the variation trend of the steel cord withdrawal force with displacement is the same at different temperatures. With the increase in temperature, the interfacial bonding strength between the steel cord and the rubber matrix decreases gradually; the second-order polynomial bonding strength prediction model can meet the prediction requirements of the steel cord bonding strength at different temperatures, and the errors are controlled within 5%.
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