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1)  S/N diagram
应力-疲劳周期
2)  cycle ratio (fatigue stress)
疲劳应力周期比
3)  High stress low-cycle fatigue
高应力低周疲劳
4)  cyclic fatigue
周期性疲劳
1.
Advanced research on cyclic fatigue resistance of nickel-titanium endodontic instruments
镍钛合金根管器械抗周期性疲劳的研究进展
5)  stress fatigue
应力疲劳
1.
In this paper,the fitting method of stress fatigue curve with three parameter of the polymer is studied.
本文讨论了聚合物三参数应力疲劳曲线的拟合方法,并实际拟合了苯乙烯—丁二烯—丙烯腈(ABS)在对称循环交变应力作用下的应力疲劳曲线。
2.
The general model of stress fatigue life reliability was proposed by analyzing correlations between the median and high reliability fatigue life about several kinds of probability distribution functions,such as Weibull Distribution(WD),Normal Distribution(ND),Exponential Distribution(ED),etc.
通过对Weibull分布、正态分布、指数分布等常用概率模型函数的中值疲劳寿命和高可靠度疲劳寿命关系的分析,建立了应力疲劳寿命可靠性通用表达式。
6)  fatigue stress
疲劳应力
1.
In order to prevent the early destruction of highway, provide theoretic analysis and technology support for the study of long life pavement structure, the thermal field and fatigue stress of asphalt concrete and continuously reinforced concrete(AC+CRC) composite pavement were analyzed by finite element method.
为了防止公路的早期破坏,为长寿命路面结构研究提供理论依据与技术支持,应用有限元方法对沥青混凝土与连续配筋混凝土复合式路面进行了温度场与疲劳应力分析。
2.
It is not economic to reduce the thickness of road slab but to strengthen base through the analysis of different thickness of base and road slab on fatigue stress of cement concrete pavement.
通过分析不同板厚和基层厚度对路面荷载疲劳应力、温度疲劳应力的影响,认为通过加强基层未减薄路面板厚度是不经济的,合理的基层厚度应根据设置基层的目的与要求,通过经济比较确定。
补充资料:疲劳应力周期比
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CAS号:

性质:设试样在振幅为S1的循环应力作用下,其疲劳寿命为N2…若循环应力S1作用于试样的循环次数为n1(n1<N1);循环应力S2作用于试样的循环次数n2(n2<N2)…则当有时,试样发生疲劳破裂。即称为疲劳应力周期比。它表示振幅为S的循环n次后,使试样疲劳寿命降低的比率。常用这个方法来估计材料在非恒定振幅的循环应力作用下的疲劳寿命。不过误差是较大的。

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