| Fitting for Fatigue Failure Curves of NR/BR Blends by Polynomial Regression |
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| DOI： |
| Key Words: NR/BR blend；dynamic fatigue failure；curve fitting；polynomial regression |
| Author Name | Affiliation | | Qiu Yiming | Qingdao Institute of Chemical Technology | | Fu Zheng | Qingdao Institute of Chemical Technology | | Liu Xuyang | Qingdao Institute of Chemical Technology | | Yang Yuan | Qingdao Institute of Chemical Technology | | Zheng Yongxiang | Shandong Rubber Industry Corporation |
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| Abstract: |
| The fatigue failure curves of NR/BR blend were fitted with polynomial λ=b0+b1lgN+b2lg2N.The results showed that the calculated values were in agreement with the measured data；the fractional errors were homogeneously distributed and their absolute values were less than or equal to 2.452%；the correlation coefficients were greater than or equal to 0.998 8；and the polynomial equation could be used to describe the fatigue failure curves of NR/BR blends. |
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