In this paper,the influence of the fatigue exponent on the load spectrum factorand the work class as well as the structure fatigue admissable stress of cranes is analyzedquantitativly.
本文定量化分析了疲劳指数对起重机载荷谱系数、工作级别和结构疲劳许用应力的影响。
Study of fractographic retroestimation of fatigue stress amplitude;
疲劳应力变幅的断口反推研究
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。
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。
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。
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。
combined stress fatigue tester
复合应力疲劳试验机
direct stress fatigue machine
直接应力疲劳试验机
Metallic materials-Torsional stress fatigue testing
GB/T12443-1990金属扭应力疲劳试验方法
EVALUATION METHOD OF FATIGUE DAMAGE UNDER VARIABLE AMPLITUDE STRESS BASED ON PLASTIC STRAIN
基于塑性应变的变幅应力疲劳损伤评估方法
Study on the Thermal Stress Fatigue of Hot-Work Die Steels With Square Specimen
用方形试样研究热作模具钢的热应力疲劳
endurance limit on base
对称的应力换向循环下的疲劳极限
Conduct material Fatigue Testing and Thermal stress test.
进行材料疲劳测试和热应力测试。
tension-tension fatigue strength
正交二向拉伸应力作用下的疲劳强度
By analysis, bolt fatigue stress is marginally high.
通过计算分析,螺栓的疲劳应力稍偏高。
Bardine process
钻杆消除疲劳应力的方法
Analysis on Fatigue Life of Steel 1CrMoV in the State of Multiaxial Stress;
多轴应力状态下1CrMoV钢的疲劳寿命分析
Study on the Fatigue Stress of the Key Components of K6 Type Bogie;
K6型转向架关键部件的疲劳应力研究
The Study of Dynamic Response and Fatigue Analysis for Jack-up;
自升式平台动力响应及疲劳分析研究
Study on Fatigue Behaviour of CFRP Prestressed RPC Beams
CFRP预应力筋RPC梁的抗疲劳性能研究
Finite Element Analysis on Fretting Fatigue Contacting Stresses
微动疲劳接触应力的有限元分析研究
Fatigue crack growth probability model based on stress ratio
考虑应力比的疲劳裂纹扩展概率模型
Effect of Compressive Surface Stress on the Fatigue of 10Ni5CrMoV Steel
表面压应力对10Ni5CrMoV钢疲劳性能的影响
Influence of rolling contact fatigue loads on stress intensity coefficients of rail surface contact fatigue crack
滚动接触疲劳载荷对铁轨表面接触疲劳裂纹应力强度系数的影响