疲劳强度

基于BP网络的齿轮弯曲疲劳强度极限的确定

Establish of Gear Bending Fatigue Strength Limit based on BP Network

K型管状接头随机疲劳强度和裂纹扩展规律的研究

An Investigation on Random Fatigue Strength of K-Type Tubular Joints and Crack Propagation Behaviors

Fatigue对某型汽车的转向节臂进行了疲劳强度仿真计算，并作了相应的试验，验证了仿真的结果。

Fatigue . A test was done to certificate the result of simulation .

LNG船的疲劳强度计算与分析

Calculation and analysis of LNG ship fatigue strength

基于CSR中热点应力的散货船疲劳强度分析

Fatigue Strength Analysis of Bulk Carriers Based on Hot Spot Stress Method in CSR

螺纹滚压强化对300M钢螺纹疲劳强度的影响

The Influence of Screw Rolling Strengthening on 300M Steel Screw Fatigue Strength

使用ANSYS有限元软件建立车体结构的有限元模型，对车体结构进行了静强度和疲劳强度分析。

By using the finite element model of the body structure established in ANSYS , calculated static strength and fatigue strength of the body structure .

结合影响两者分布的因素，建立了FA传动摆线轮齿面接触疲劳强度可靠性分析计算的数学模型。

Combining the factors of contact stresses and strength distributions , a mathematic model is established to analyze and calculate the cycloid gear reliability .

根据疲劳强度试验过程，结合－3S－S－N曲线明确解释了无限寿命的疲劳强度可靠度的含义。

On the basis of testing process at the fatigue strength , and combining - 3S-S-N curve , we clearly explain reliability meaning about fatigue strength in infinite life .

近疲劳强度载荷下WC/Co涂层对300M钢疲劳性能的影响

Influence of WC / Co Coating on Fatigue Performance of 300M Steel at Stress Level Close to Fatigue Limit

一种基于SFEM的构件振动疲劳强度可靠性的分析方法

A SFEM for analyzing reliability of vibrating structural components

就疲劳强度校核在考虑螺纹的基础上建立了螺栓的CAD实体模型，并采用接触分析法，对螺栓的应力应变状态进行了有限元计算分析。

The method of fatigue strength check was based on a CAD bolt model with thread . Contact finite element analysis of cylinder head bolt was carried out to study the state of stress and strain .

同时提取曲轴载荷谱输入到MSCFatigue中进行疲劳强度分析，求得曲轴疲劳寿命。

The force-time table which was used to calculate the fatigue life of the crank by MSC Fatigue was abstracted at the same time , and the life of crank was calculated .

三元镀层在界面上用TiN作底层，则TiN和（Ti，Si）N的界面疲劳强度是相同的。

When the composition of the ternary layer is tailored to set the TiN in the interface region the interfacial fatigue strengths of TiN and ( Ti , Si ) N show the same magnitude .

强化层亚结构对TA2疲劳强度的影响

Effect of Substructure in Strengthened Layer on Fatigue Strength of Pure Titanium

ADI的高强度、高韧性、高疲劳强度及优越的耐磨性为设计工程师提供了更具潜力的铸件材料。

The high strength , high toughness , high fatigue strength , and unique wear resistance ADI offer design engineer great potential for casting design .

零件的S-N曲线转折点循环数N0是零件疲劳强度评价和设计的一个重要参数。

The cycles corresponding to the breaking point of component is an important parameter for fatigue strength assessment and design .

结论：比较PMMA骨水泥的张应力和负载循环试验，CAP骨水泥的弹性模量是PMMA的5倍，并且具有较高的疲劳强度。

Conclusions : Comparing the two bone cements , the CAP has a higher modulus which is as about5time as the PMMA , and the CPA has a superior fatigue strength as well .

以0.75t货车液压胀形桥壳为例，利用有限元分析软件ANSYS对其许用强度、静强度、疲劳强度（寿命）及其承载能力进行分析，得到液压胀形桥壳强度的变化规律。

The allowable strength , static strength , fatigue life and load-carrying capability of hydro-bulged rear axle housing in a 0.75 t truck are analyzed using FEA software ANSYS and the variation rule of its strength is obtained .

根据起重机金属结构的理论并结合ANSYS的输出，分析了门架的静强度和疲劳强度，借以说明提高门式起重机的工作级别和起重量的可行性；

By the theory on crane metal construction and ANSYS output data , the static strength and the fatigue strength of gantry have been analyzed so as to give the reason for the possibility of increasing capacity and duty .

应用ANSYS软件建立了自升式平台和冰相互作用的数学仿真模型，对自升式平台进行了动力分析和桩腿的极限强度和疲劳强度校核。

The digital model for interactive action between ice and platform was established by applying the ANSYS software system , and the dynamic analysis of jack-up platform was performed , and the ultimate and fatigue strength of platform was assessed .

逐层TEM亚结构对比分析结果表明：工业纯钛疲劳强度的提高和强化层组织中孪晶的形成有关；

By means of TEM methods to analyze the various layer substructures , the following results were obtained : ( 1 ) The improvement of fatigue strength of commercial purity titanium is related to the formation of twins in strengthened layer ;

转折点循环数N0是变幅载荷疲劳强度评价的一个至关重要的参数。

The cycles N 0 corresponding to the breaking point is an important parameter for the strength assessment under variable amplitude loads .

涂层与未涂层试样的SN曲线相互交叉，在N<3×105时，涂层试样的疲劳强度大于未涂层试样，但在N>3×105时，则结果相反。

Both S-N curves of coating and uncoating specimens were cross each other . In the N < 3 × 105 , fatigue strength of coating specimens was higher than that of uncoating specimens . But it was reverse in N > 3 × 105 .

通过50万次压缩循环的条件疲劳强度为1200N，约是人体重的2倍。

The condition fatigue strength of it passed 50 million times compression cycles was 1200N , about 2 times of the average body weight .

结果表明：使用TIG焊获得的LF21铝合金原始焊接接头的疲劳强度与其它焊接方法得到的同样接头的疲劳强度基本相当，试图采用更高强度级别的SN曲线对其进行设计时应持慎重态度。

The results show that it should be more careful to design according to high strength classic S N curves , for the tests reveal little difference of the fatigue strength between TIG and other welding methods as in the same form of welded joints .

计算结果表明，计入齿面的粗糙度效应后，轮齿接触应力显著增大，这必然会对轮齿接触疲劳强度产生重要影响，因此，基于Hertz理论进行齿轮接触疲劳强度设计有失安全性。

The results indicate that , the contact stress increases markedly if taking into account the gear-tooth roughness , which has great effect on the gear tooth contact fatigue strength . Therefore the current theory for designing the fatigue strength which is based on Hertz theory needs to be improved .

常规疲劳强度设计中几个系数的确定

Determination of some factors on fatigue strength design of general method

零件疲劳强度安全系数的分析

Analysis of Safety Factor Referring to Fatigue Strength of Machine Elements

膜片弹簧疲劳强度研究

Study on fatigue strength of diaphragm spring used in automobile clutch