optimum fatigue strength

T joints fatigue strength improving by hybrid heat treatment process after tungsten inert-gas arc remelting;

基于TIG电弧重熔的焊后复合处理工艺改善T形接头疲劳强度的研究

Three-dimensional stress concentration and its influence on the fatigue strength at an elliptic hole;

椭圆孔三维应力集中及其对疲劳强度的影响

Details of welding structure design based on fatigue strength;

基于疲劳强度的焊接结构设计细节

Linear elastic fracture mechanics analysis the fatigue intensity of melting root;

线弹性断裂力学方法评定焊接接头根部的疲劳强度

A kind of reliability analysis of crankshaft fatigue intensity of a diesel engine;

柴油机曲轴疲劳强度可靠性分析

With the application of Pro/E software,the stress of model CZ70-1 static hydraulic tester is analyzed,the distributing law of mobile bodywork stress is found out under the worst working conditions,and the optimizing design is given,the fatigue intensity analysis of the shift is calculated.

采用Pro/E软件对CZ70-1型静水压试压机移动车体进行了应力分析,找出了移动车体车箱在最恶劣工况下的应力分布规律,并对车箱进行了优化设计,对车体的易损件滚动轮轴进行了疲劳强度分析。

Structural Strength Analysis of Hull and Fatigue Analysis of Hopper Based on CSR;

基于CSR的船体结构强度分析和焊趾处疲劳强度分析

The fatigue safe coefficient of the crankshaft is tested and the cause of the fracture is found.

本文用ANSYS软件进行了有限元计算分析和疲劳 强度校核,查明了曲轴断裂的原因并提出了提高曲轴疲劳强度的措施。

The paper presented a data processing method for fatigue life experiment of ball bearing,and a method to determine S-N fatigue curve by means of regressing.

提出了滚动轴承寿命试验的数据处理方法和应用回归法确定轴承S-N疲劳曲线的方法,在假定轴承的疲劳强度分布与其寿命呈Weibull分布的基础上,根据应力-强度干涉模型推导出计算轴承承受应力分布为正态,阶梯形,线性及余弦等不同形式的随机载荷下的可靠度公式,并举例进行了演算。

Thereby a judgement criterion for wind-induced vibration of the equipment was put forward, and checking for stress intensity and fatigue resistance of the equipment was carried in accordance with dynamic load and bending moment caused by critical wind speed.

通过共振计算，确定共振时的临界风速，由此提出了直立细长设备发生风共振的判断准则，并根据临界风速产生的动载和弯矩，对设备进行应力强度及疲劳强度校核。

The fatigue resistances between two groups were compared in 5-year f.

目的探讨不同桩核对修复上前牙漏斗状残根疲劳强度的影响。

It indicates that the constant m and the fatigue resistance value which is at 2×106 cycles are different from the value recommended by IIW obviously.

试验结果表明：SAF2205和1Cr18Ni9Ti不锈钢焊接试样的常数m和N=2(106疲劳强度与国际焊接学会(IIW)推荐的数值有较大差异，采用IIW的S-N曲线对本文不锈钢焊接试样进行疲劳评定时，将给出过于保守的结果；接头型式不同导致焊接接头局部应力集中有较大差异，因而对采用名义应力表示的S-N曲线有明显影响。

median fatigue strength at N cycles

Ｎ次循环中值疲劳强度

repeated bending stress strength

反复弯曲疲劳强度极限

Research on Fatigue Strength and Fatigue Cushioning Performance of Package Pad;

包装衬垫疲劳强度与疲劳缓冲性能的研究

Study on Synthetical Strengthening Technology Test for Roller Chain

滚子链疲劳强度的综合强化试验研究

endurance strength

耐久限度, 持久力, 疲劳强度

tension-tension fatigue strength

正交二向拉伸应力作用下的疲劳强度

Standard of test method for surface load capacity of gears

GB/T14229-1993齿轮接触疲劳强度试验方法

Standard of test method for bending load capacity of gears

GB/T14230-1993齿轮弯曲疲劳强度试验方法

A layer of hot-dipped galvanizing causes a considerable reduction in the fatigue strength.

热浸镀锌层引起疲劳强度的显著降低。

And when shot peening treater, the fatigue strength of the chian will improve 12.3%.

经喷丸处理链条疲劳强度可提高12.3％。

Influence of Training with Secondary Load on Bending Fatigue Strength of Cranksh aft

次载锻炼对曲轴弯曲疲劳强度的影响

A Study on Distribution Function of Fatigue Strength for the Roller Chain Material

滚子链材料疲劳强度分布函数的研究

Study on Fatigue Strength of Continuous Casting Ladle Turret;

连铸钢包回转台疲劳强度的应用研究

The Study on Fatigue Strength of Laser-weld of Titanium and Titanium Alloy;

激光焊接钛及钛合金疲劳强度的研究

Fatigue Strength Analysis for 308,000 DWT VLCC;

30.8万吨VLCC的结构疲劳强度分析

Influence of Erbium on Fatigue Behavior of Al-4.7Mg-0.7Mn-0.4Er-0.1Zr Alloy

铒对Al-4.7Mg-0.7Mn-0.1Zr合金疲劳强度的影响

Fatigue Strength Assessment of LNG Vessel and Discussion on the Influence of Low Temperature

LNG船疲劳强度评估及低温影响的讨论

Fatigue Strength Analysis of CRH2 Motor Bogie Frame

CRH2动车转向架构架疲劳强度分析