多项式回归方法拟合NR/BR共混胶料疲劳断裂曲线 |
Fitting for Fatigue Failure Curves of NR/BR Blends by Polynomial Regression |
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DOI: |
中文关键词: NR/BR共混物 动态疲劳断裂 曲线拟合 多项式回归 |
英文关键词: NR/BR blend dynamic fatigue failure curve fitting polynomial regression |
基金项目:国家自然科学基金资助项目 |
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中文摘要: |
探讨采用多项式λ=b0+b1lgN+b2lg2N逼近NR/BR共混硫化胶料疲劳破坏曲线。结果表明,试验值与理论值吻合良好,相对偏差的绝对值小于或等于2.452%,且分布较均匀,相关系数均大于或等于0.998 8。表明该多项式方程可描述NR/BR共混胶料的疲劳断裂曲线。 |
英文摘要: |
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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