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以指定△K下的da/dN服从对数正态分布为基础,提出3种da/dN试验数据统计处理方法;依据一组40CrNiMo材料的CT试样的试验数据处理结果,对3方法进行了分析对比。
Based on the logarithm normal distribution da / dN obeyed logarithm △ K, three kinds of statistical data processing methods of da / dN test data were put forward. According to the experimental data processing results of a group of 40CrNiMo CT samples, Analysis and comparison.