腐蚀疲劳

加载频率f和应力比R对腐蚀疲劳裂纹扩展速率影响的研究

Effect of Stress Ratio and Loading Frequency on Crack Growth Rate of Corrosion Fatigue

一种反映腐蚀疲劳裂纹增长的da／dN-（ΔK，f）数学模型

The mathematical model da / dn - (δ k , f ) of corrosion fatigue crack growth

TIG熔修对焊接接头海水腐蚀疲劳性能的影响

The influence of TIG-DRESSED on seawater corrosion fatigue behaviour of welded joints

[013]取向Cu单晶体在NaCl水溶液中腐蚀疲劳位错结构的观察

Observation of the dislocation structure in [ 013 ] copper single crystal during corrosion fatigue in NaCl aqueous solution

几种钢焊接接头低周腐蚀疲劳dα／dN方程

Low-cycle corrosion fatigue crack growth rate equations of welded joints for several steels

RD2轴卸荷槽部位腐蚀疲劳裂纹的失效分析

The Failure Analysis of Corrosion Fatigue Crack on the Load Relieving Groove of RD_2 Axle

300M钢腐蚀疲劳裂纹萌生的超载特性

Overloading behaviour of corrosion fatigue crack initiation for 300M steel

TIG熔修提高船体钢焊接接头腐蚀疲劳抗力的研究

Experimental Study on Boosting Corrosion and Fatigue Resistance of Welded Joints for Ship Steel Using TIG Dressing Technique

钻杆40Cr钢在含H2S钻井液中的腐蚀疲劳

On Corrosion Fatigue of Drill Pipe Made of Steel Type 40 Cr in Drilling Fluids Containing H_2S

环境介质与应力比对300M钢腐蚀疲劳裂纹萌生寿命的影响

Effect of environment medium and stress ratio on CF crack initiation life for 300M steel

针对腐蚀疲劳剩余寿命及其可靠度的计算问题，采用七点递增多项式的方法回归出试验条件下的系数C、m。

For calculation of residual life and reliability in corrosion fatigue , the multinomial of seven points increased by degree was used in order to regress the coefficient C and m under the experimental condition .

为解决腐蚀疲劳条件下无法由断口判读获得（a，N）数据集以确定裂纹扩展公式参数的问题，提出了确定疲劳裂纹扩展参数的寿命反推方法。

Since the ( a , N ) databank can not be easily obtained in corrosion fatigue , the method for determine the parameters of crack growth parameters in terms of fatigue life is presented .

DFR法在腐蚀疲劳分析中的可行性试验研究

The test research on applicability of the DFR method in corrosion fatigue analysis

奥氏体不锈钢在MgCl2介质中的应力腐蚀疲劳特征

SCF feature of austenitic stainless steel in boiling mgcl_2 solution

316L不锈钢在模拟人体液内腐蚀疲劳裂纹萌生和扩展过程中应力的作用

Effect of stress on initiation and propagation of corrosion fatigue cracks for Type 316L stainless steel in hank 's physiological solution

结果表明：腐蚀疲劳裂纹扩展速率（da/dN）（CF）与（△K-△K（thCF））在双对数坐标上呈线性关系。

It results in that the crack propagation rate , ( da / dN ) CF , has a linear relationship with (Δ K - Δ KthCF ) on double-Log plots .

结果表明：在相同△K值下，da／dN与腐蚀疲劳相比，提高了约一个数量级：△Kth（H）≈105N／mm3／2；

The results show that under the same △ K value , da / dN increase a numerical value grade more than the normal corrosion fatigue .

针对液压腐蚀疲劳试验测控系统对可靠性的要求，提出了一种基于随机采样FFT加权算法的测控方法。

Considering the demand of reliability on measuring and controlling system of corrupt fatigue experiments powered by oil-pressure , A kind of methods of FFT weighted computation of random sample is put forward .

马氏体与贝氏体组织GC-4超高强度钢的腐蚀疲劳裂纹扩展

Corrosion fatigue crack propagation of martensitic and bainitic GC-4 ultra-high strength steel

921A钢焊接接头在腐蚀疲劳下表面裂纹扩展规律

The Propagation of Surface Cracks in Welded Connections Made of Type " 921A " Steel in a Corrosive Fatigue

最后给出了系统用于LC9铝合金腐蚀疲劳裂纹扩展门坎试验的结果。

Finally , the results of corrosion fatigue threshold testing of LC_9 aluminium using this system have boen given .

Co-Ni-Cr-W与Ni-Cr-B-Si合金涂层对几种耐热钢抗热腐蚀疲劳性能的影响

Effect of co-ni-cr-w and Ni-Cr-B-Si alloy coating upon the hot corrosion-fatigue resistance of several heat-resisting steels

GC-4超高强度钢腐蚀疲劳断口分维特征的研究

On Fractal Characterization as an Indicator of Rate of Propagation of Corrosion Fatigue Cracking of Chinese GC-4 Ultra-High Strength Steel

国产海洋用钢36Z焊缝腐蚀疲劳裂纹扩展的研究

Corrosion fatigue crack growth in weld metal of homemade offshore structural steel 36z

本文对4330M钢在蒸馏水中的腐蚀疲劳裂纹扩展速率进行了定量研究。

The behaviour of corrosion fatigue crack propagation in4330M steel in distilled water has been investigated .

远洋运输中可能发生的灾害性事故，如船舶碰撞、搁浅、腐蚀疲劳破坏、火灾、爆炸等，大多与人为失误和组织失误（HOE）有关。

During ocean shipping , most accidents , for example , collision and grounding , corrosion and fatigue failure , fire and explosion , are caused by Human and Organization Errors ( HOE ) .

计算了该区叶片在一个作用周期内的受力情况。提出了在W区叶片的疲劳断裂和腐蚀疲劳断裂是该机器叶片断裂失效的主要因素。

After stresses and failure analyses of a blade in a cycle of action , the conclusion is drawn that the fatigue and corrosion fatigue are the main reasons that cause the fracture of the bledes in the specific TV region of the double-acting liquid ring chlorine compressor .

与常规环境下的疲劳寿命相比，涂敷JMF的模拟件在不同试验周期的腐蚀疲劳寿命没有明显下降；未涂敷JMF的模拟件，则腐蚀疲劳寿命大幅度降低。

Comparing with the primal fatigue life in routine environment , the corrosion fatigue life of testing samples which were daubed with JMF was not obviously decreased while ones without daubing with JMF obviously decreased in different test cycles . 6 .

应用改进型WOL试样，采用符合实际工况的中等浓度200×10-6的H2S溶液、0.0067Hz的超低周频率，在自行改造的专用低周腐蚀疲劳试验机上进行了试验。

By using modified WOL specimens , under a low frequency 0.0067 Hz and in the moderate concentration ( 200 × 10 ~ ( - 6 )) sulfured hydrogen solution ; the tests were accomplished on a modified low-frequency corrosion fatigue machine .

针对在役管道严重的腐蚀疲劳倾向性，比较前人相关的研究方法，提出了一种以大试样（480mm×38mm×12mm）纯弯曲来研究低周腐蚀疲劳的新方法。

Aiming at the severe corrosion fatigue tendency of the pipeline in-service , a new low-cycle corrosion fatigue method of using a large purely-bended sample ( 480 mm × 38 mm × 12 mm ) was developed .