The P-S-N curves are made by statistic treatment of the test data.
用概率统计法对试验数据进行了处理，得到了P - S - N曲线。
Furthermore, the P-S-N curves of D type V belt are plotted and the distribution of limit stress are deduced.
还根据所得寿命分布作出了D型V带的P-S-N曲线，并据此推断出极限应力的分布规律可以用威布尔分布或正态分布描述。
Experimental results indicated that the effect of shot-peening and ion implantation on the S-N curves is related to temperature.
结果表明，喷丸和离子注入对材料疲劳s - N曲线的影响与实验温度有关。
The S-N curves for internal fracture mode are not affected by surface conditions, which is an inherent characteristic of the material.
内部破坏模式的S - N曲线不受表面条件的影响，是材料固有的特性。
Seven methods for measuring P-S-N curves are presented and these methods are analyzed and compared using the experiment data of five materials.
本文介绍了七种测定p - S - N曲线的方法。并且用五种材料的实验数据对上述测定方法作了分析比较。
Confidence is incorporated into the P-S-N curves by a statistical principle of linear regression method and the C-P-S-N curves are then obtained.
考虑了常规p - S - N曲线预测结果的可信性，应用线性回归统计分析原理，将置信度引入到常规p - S - N曲线中，从而得到C - P - S - N曲线。
The effective flaw model is developed to describe the S-N curves of composite materials. The two fitted parameters in the model have certain physical meaning.
本文建立了复合材料疲劳寿命曲线的“有效缺陷模型”，阐明了模型中两个参数的物理意义。
However, the normalized S-N curves, by the corresponding ultimate strength at specific temperature, become mixed together. They are separate at least over 105 cycles.
然而由相对应温度之极限强度所无因次化的应力-振次曲线混在一起，而它们在高于105振次后会分开。
If the failure is defined as the final fracture of a component, then both S-N curves and crack growth rate curves reflect the fundamental material behavior under fatigue loading.
如果都把一个构件的最终断裂作为疲劳破坏的定义，则S - N曲线和裂纹扩展率曲线均是反映金属在疲劳载荷作用下的基本材料特性。
Main characteristics of statistical accuracy for P-S-N curves are analyzed and the method for mean square error of P-S-N curves parameters by computer simulation is brought forward.
分析了反映P S N曲线统计精度的主要指标，提出了P S N曲线参数估计量的均方误差计算机模拟求法。
The test analysis shows that the fitted slope of test data to nominal stress and hot spot stress S-N curves for aluminum 5083 welded joint with longitudinal fillet welded gusset is 5.
试验分析说明铝合金5083纵向角接板焊接接头名义应力和热点应力疲劳s - N曲线试验数据拟合斜率为5。
The reliability tests both the axial fatigue and the biaxial fatigue of casing strings were designed by means of examination and numerical simulation, and the P-S-N curves were obtained.
运用可靠性方法，基于概率分析设计了单轴和双轴疲劳可靠性试验，得到了套管柱的单轴和双轴概率疲劳特性，推导出套管钻井的P — S —N 曲线方程。
Based on an experimental study of multiple repairing welded joints on high strength offshore structure steel, the R-S-N curves and life estimation equations under Weibull distribution are presented.
对海洋平台用高强度钢焊接接头多次补焊的疲劳性能进行试验研究，给出采用威布尔分布下的寿命估算式及R—S—N曲线。
N curves of sorts of metals under general condition have been maturity. But the S N curves considering the effect of corrosive environment are reported.
目前常规条件下各种金属材料的S-N曲线已基本完备，但是考虑腐蚀环境影响的S-N曲线还很少见。
The comparative test was made, and the test data are analyzed and treated. It was found that the P S N curves determined by these three methods were approximate.
并进行了对比试验，使用文中方法统计分析试验数据，发现单点法、单点-成组法及成组法测定出的P-S-N曲线较接近。
The comparative test was made, and the test data are analyzed and treated. It was found that the P S N curves determined by these three methods were approximate.
并进行了对比试验，使用文中方法统计分析试验数据，发现单点法、单点-成组法及成组法测定出的P-S-N曲线较接近。
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