| Effect of Carcass Structure on Impact Resistance of Tire |
| Received:March 23, 2021 Revised:March 23, 2021 |
| DOI：10.12136/j.issn.1000-890X.2022.09.0709 |
| Key Words: tire；carcass structure；single ply cord and high turn-up；double ply cord and low turn-up； impact resistance |
| Author Name | Affiliation | E-mail | | Jin Hanjie* | 1.SAMR Defective Product Administrative Center；2.Key Laboratory of State Administration for Market Regulation（Product Defect and Safety） | jinhj@dpac.gov.cn | | XIAO Lingyun | 1.SAMR Defective Product Administrative Center；2.Key Laboratory of State Administration for Market Regulation（Product Defect and Safety） | | | WANG Yan | 1.SAMR Defective Product Administrative Center；2.Key Laboratory of State Administration for Market Regulation（Product Defect and Safety） | | | ZHOU Xiaoqin | 1.SAMR Defective Product Administrative Center；2.Key Laboratory of State Administration for Market Regulation（Product Defect and Safety） | |
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| Abstract: |
| A comparative study on the impact resistance of two kinds of passenger car radial tires with
the same brand，same specification and different carcass structure was carried out. Five specimens of each
kind of tire were selected for indoor pendulum impact test，and the impact kinetic energy and post impact
state of the tire were analyzed. The results showed that the impact kinetic energy of the tire with a single ply
cord and high turn-up carcass structure was significantly lower than that of the tire with a double ply cord and
low turn-up carcass structure，the incidence of bulging was higher，and the impact resistance was obviously
poor. The carcass structure had an important influence on the impact resistance of the tire. |
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