疲劳损伤

广布疲劳损伤（widespreadfatiguedamage，WFD）对老龄飞机是非常重要的问题。

Widespread fatigue damage ( WFD ) is an important concern in aging aircraft .

通过对样车（B车）的试验分析，证明疲劳损伤理论在耐久试验中应用是非常有效。

Through test analysis of the specimen ( B-car ) , the fatigue damage theory is proven to be useful in the vehicle durability test .

岩石疲劳损伤扩展规律CT细观分析初探

Primary study of CT real-time testing of fatigue meso-damage propagation law of rock

FRP补强疲劳损伤钢结构裂纹扩展研究

Fatigue Damaged Crack Growth of Steel Structure Strengthened With FRP Patches

结果表明南京桥主要杆件的疲劳损伤度非常低，可能是由于杆件活载应力水平比较低的缘故。基于N口JLAB平台，编制了实时雨流计数和结构疲劳损伤可靠性分析专用程序。

The results indicate that the fatigue failure probability of the NYRB main members is very small for its low live-load stress level .

电阻法预报CFRP层板疲劳损伤演变过程

Resistance measuring method on damage evolution and fatigue life prediction for CFRP laminates

并对影响临界疲劳损伤因子D（fe）的四个因素：载荷大小、应力比、加载顺序、焊接等进行了研究。

The factors effecting Dfc , ie , amount of load , stress ratio , loading frequency and welding are studied as well .

建立在J.疲劳损伤过程的计算机仿真

( see chapter two ) Based on J. Computer Simulation Study of Fatigue Life

目前，EMI技术在疲劳损伤监测中的应用研究尚处于起步阶段。

At present , the application of EMI technique in the monitoring of fatigue damages is still in the infancy .

采用扫描电子显微镜（SEM）和软X光射线技术，分析了单向聚酯帘线橡胶复合材料的疲劳损伤机理。

Using scanning electron microscope ( SEM ) and soft - X radiation technique , the damage accumulation mechanism of unidirectional polyester cord / rubber composite is studied .

利用损伤变量D（K1）和循环次数N的关系曲线，可以对材料进行疲劳损伤检测并对其疲劳寿命进行预测。

The relationship between damage variable D ( K_1 ) and number of fatigue cycles ( N ) can be used to detect fatigue damage and to divine fatigue life tbr metal materials .

再次，选择S-N曲线及Miner累积疲劳损伤理论估算管节点的疲劳寿命。

Third , fatigue lives of tubular joints are calculated using S-N curve method and Miner accumulative damage theory .

用Barkhausen杂讯研究中碳钢的低周疲劳损伤特性

Evaluation of the Low Cycle Fatigue Damage in Medium Carbon Steel Using Barkhausen Noise Analysis

然后依据Miner累积损伤模型，求得TLP拉索在不利工况下的疲劳损伤；

The Miner linear cumulative law model is used to get the fatigue damage of the tether of TLP in adverse operation state .

本文结合ABS规范推荐的谱分析方法以及新型非线性腐蚀模型，提出一种评估海洋工程结构腐蚀疲劳损伤的新方法。

Combined with the recommended spectral analysis methods of ABS specifications and the new non-linear corrosion model , this paper proposed a new method to assess the corrosion fatigue damage in marine engineering structures .

用在线定量分析方法跟踪了不同烧结温度对利用铝型材厂废渣合成的氧化铝陶瓷的疲劳损伤过程的影响，同时结合试样的XRD和SEM分析结果，确定了影响氧化铝陶瓷疲劳特性的主要因素。

The fatigue damage process of alumina ceramics synthesized from waste alumina slag was quantitatively analyzed with system analysis method . The main impact factor on fatigue damage of alumina ceramics was determined by means of XRD and SEM .

结果500N最大载荷下，VITAMARKⅡ可切削陶瓷低周循环触压疲劳损伤为经典脆性模式，而高周循环下为类塑性模式。

Results Under 500 N maximum loading , Vita mark ⅱ machinable dental ceramic showed two different damage modes : classical brittle mode at low cycle and quasi-plastic mode at high cycle .

利用笔者研制的CT（ComputerizedTomography）机专用三轴加载试验设备，进行了实时的岩石疲劳损伤演化CT细观试验。

It 's the first time in the research field of rock mechanics that the computerized tomography ( CT ) real-time testing of fatigue damage meso-propagation law of rock have been accomplished in this paper using the specified loading equipment of the CT machine developed by the authors .

根据线性累积疲劳损伤理论和S-N曲线，采用不同寿命主轴的剩余寿命对比试验，可获得飞行换算率Ap。

In accordance with the linear accumulating fatigue damage theory and S-N curve , the standard damage cycles per flight hours , or damage conversion ratio Ap for flight can he obtained from the comparative residual life tests of the shafts with different service life .

疲劳损伤是一个由初始混沌状态演化到MSC与PSC两阶段交界处独立无关的随机状态，然后到史相关随机状态的过程。

And the fatigue damage process is gradually from a initial chaotic state , to an independent random state at the transition of the micro-structural short crack regime and PSC , and then , to a historic dependent random state in PSC regime of fatigue damage .

通过影响线加载的方法实现了随机汽车荷载的加载，并以钢筋的S-N曲线为基础，依照线性疲劳损伤累加原则对钢筋混凝土简支梁进行了疲劳损伤分析与剩余寿命评估。

The random car load is achieved by the influence line load . This paper makes the fatigue damage analysis and residual life assessment of a reinforced concrete beam , based on the reinforced S-N curve and the principle of linear fatigue damage accumulation .

碳氮共渗层接触疲劳损伤形态及机理研究

On the contact fatique form and mechanism of carbon nitrogen layer

海洋平台结构疲劳损伤与寿命预测方法

Prediction approaches to structural fatigue damage and life of offshore engineering

基于动态响应特性的点焊疲劳损伤参量

Fatigue Damage Parameter of Spot-welded Joints Based on Dynamic Response Characteristics

复杂应力状态镍基单晶合金低周疲劳损伤模型

Multiaxial Low Cyclic Fatigue Damage Model for Single Crystal Nickel-Based Superalloy

循环加载与随机加载对疲劳损伤等效性的研究

Study of Equivalent about Fatigue Damage under Cyclic and Random Load

基于电能耗散的金属材料疲劳损伤测量

Fatigue Damage Measurements of Metallic Materials Based on Electrical Energy Dissipation

层布式混杂纤维混凝土的疲劳损伤研究

Study of Fatigue and Damnification of Layered Hybrid Fiber Reinforced Concrete

单向帘线/橡胶复合材料的疲劳损伤模型与疲劳寿命预报

Fatigue Damage Model and Fatigue Life Prediction of Unidirectional Rubber Composites

巴克豪森噪声在应力及疲劳损伤检测上的应用

Barkhausen Noise Application in the Detection of Stress and Fatigue Damage