文章摘要
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
  
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
作者单位
裘怿明 青岛化工学院橡胶工程学院 
傅政 青岛化工学院橡胶工程学院 
刘旭阳 青岛化工学院橡胶工程学院 
杨源 青岛化工学院橡胶工程学院 
郑永祥 山东省橡胶工业公司 
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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.
Author NameAffiliation
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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