| Finite Element Analysis and Experimental Investigation on Complex Steel Cord in Radial Tires |
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| DOI： |
| Key Words: truck and bus radial tire；steel cord；lay angle；lay length；cord force measurement；finite element analysis |
| Author Name | Affiliation | | WEI Yintao | Tsinghua University | | MIAO Yiming | Hangzhou Chaoyang Rubber Co.，Ltd | | CHAI Delong | Hangzhou Chaoyang Rubber Co.，Ltd | | FENG Xijin | Tsinghua University |
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| Abstract: |
| The steel cord deformation and force of truck and bus radial tire were investigated to obtain the typical bending deformation and tension force distribution，which were useful input for the local scale modeling of the steel cord.A high efficient modeling approach for layered multi-strand cord structures was developed by utilizing cord design variables such as lay angle，lay length and radius of the strand centerline as input，and several types of steel cord were modeled by using the developed method.The pure tension for two cords and the combined tension-bending under various loading conditions relevant to tire deformation were simulated by finite element（FE） method.Good agreement was found between experimental and FE-determined tension force-displacement curves，and the characteristic structural and plastic deformation phases were revealed by the FE simulation.Furthermore，some interesting local stress and deformation patterns under combined tension and bending were found that had not previously been reported.In addition，an experimental cord force measurement approach was included. |
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