| Effect of Rubber Material Parameters on Tire Cure Characteristics |
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| DOI： |
| Key Words: radial tire；thermal parameter；curing kinetics parameter；cure characteristics；orthogonal experiment；numerical simulation |
| Author Name | Affiliation | | ZHANG Jian | Jiangsu University of Science and Technology | | WANG Guolin | Jiangsu University Aeolus and Jiangsu University Cooperation Institute of Vehicle Wheel | | QIN Wenlong | Jiangsu University of Science and Technology | | LI Zhao | Aeolus Tyre Co. ，Ltd | | WANG Xiaojuan | Aeolus Tyre Co. ，Ltd |
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| Abstract: |
| The influence of thermal parameters including the density，specific heat capacity and thermal conductivity of rubber composite，and curing kinetics parameters such as activation energy and frequency factor on the cure characteristics of tire shoulder of 11. 00R25 radial tire was studied by section through orthogonal experiment and numerical simulation techniques. The results showed that，the thermal parameters near steel mould should be firstly considered，followed by specific heat capacity near bladder when the
thermal parameters were adjusted，and increasing thermal conductivity and lowering specific heat capacity of tread was effective ways to shorten the engineering optimum cure time（t70）. The distribution of the most difficult vulcanization parts in tire shoulder，curing uniformity and t70 were directly determined by curing kinetics parameters，the curing characteristics could be optimized by changing the frequency factor，and t70 could be effectively shortened by lowering the activation energy. |
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