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Keywords corrosion fatigue;polarization potential;polarization curren; 腐蚀疲劳;极化电位;极化电流;
Keywords corrosion fatigue;steel A537;waveform;potential;straining electrode; 腐蚀疲劳;A537钢;波型;电位;应变电极;
Keywords Corrosion fatigue, Corrosion fatigue mechanism of high strength,,,, aluminum alloy, Corrosion fatigue experiment, The initial crack length, A model of,,,, cracking life, The crac 腐蚀疲劳;高强度铝合金腐蚀疲劳机理;腐蚀疲劳试验;疲劳裂纹扩展寿命模型;疲劳裂纹初始长度;疲劳裂纹形成寿命模型;腐蚀疲劳全寿命模型;
The effect of pre immersion time on corrosion fatigue life reduced with the increasing of stress amplitude. 在 30MPa下预腐蚀对连接件的疲劳寿命的影响作用比 5 0MPa下预腐蚀对连接件疲劳寿命的作用要明显。
Long time corrosion fatigued the oil pipeline. 长时间的腐蚀使输油管道老化了。
To reduce the corrosion and stress can avoid or moderate the corrosion fatigue and prolong the lifetime of the bellows service. 通过降低腐蚀和波纹管应力可以防止或减轻腐蚀疲劳发生，延长波纹管使用寿命。
It was put forward that research on galvanic corrosion and corrosion fatigue of magnesium are the next step of corrosion study. 同时,对大量的国内外有关资料进行研究,认为电偶腐蚀和腐蚀疲劳的特点及机理的研究将成为进一步研究镁合金腐蚀的重点。
Fractography analyses with scanning electron microscopy (SEM) were conducted to investigate the corrosion fatigue crack initiation mechanism. 此外，亦利用扫描式电子显微镜(SEM)观察破断面，以了解疲劳破坏机制。
Instead, it was found that the corrosion fatigue and stress corrosion were the main reasons for the cracking of the tubesheet. 在腐蚀介质（水蒸气、氧、油浆中的硫）及拉应力的共同作用下，又使管板受到应力腐蚀。
Ceneral calculation formulas of fatigue crack growth in article [1] were verified by the testing data of corrosion fatigue crack growth. 应用腐蚀疲劳裂纹试验数据验证了文献[1]中疲劳裂纹扩展尺寸的通用计算公式；
The fracture and the surface of a hip joint fractured invivo has been studied by SEM.It is concluded that the fracture was due to corrosion fatigue cracking by bending stress. 利用SEM对实际使用时断裂的髋关节的断口和表面进行了分析,认为此关节的断裂为以弯曲应力为主的腐蚀疲劳断裂。
Keywords corrosion of metal;crevice corrosion;erosion corros ion;hole corrosion;intercrystalline corrosion;stress-corrosion-cracking; 金属腐蚀;缝隙腐蚀;磨损腐蚀;孔蚀;晶间腐蚀;应力腐蚀破裂;
Low cycle corrosion fatigue (CF) performance investigation of domestic F316Ti in simulated BWR and PWR primary environment was carried out. The result shows that the high temperature water environment is one of the most important factors on CF properties. 对国产F316Ti在模拟LWR一回路环境下的低周疲劳性能进行了研究,结果显示,高温水环境是影响奥氏体不锈钢低周疲劳性能的重要因素之一。
The fatigue crack growth rate (FCGR) of 08PVXt, 16Mn, 440C and 4340 steels in distilled water anb NaClaqueous solution has been investigated, and the experimental results have been compared with those of corrosion fatigue in the literature. 本文对16Mn、08PVXt、440C和4340钢在蒸馏水和3.;5%25NaCl水溶液中的疲劳裂纹扩展速率(FCGR)进行了实验研究;并与一些钢在同类介质中的腐蚀疲劳(CF)实验结果进行了对比。
It is found that the main corrosion forms of magnesium alloy are pitting corrosion,galvanic corrosion and corrosion fatigue after analyzing corrosion of magnesium alloy in service environment. 通过对服役环境中镁合金材料出现的腐蚀问题的分析,认为点蚀、电偶腐蚀及腐蚀疲劳是镁合金材料腐蚀的主要形式,并对其研究情况进行了总结。
Fractograph and microstructure analyses with scanning electron microscoy (SEM) and optical microscoy (OM) were conducted to determine the corrosion fatigue crack initiation and propagation mode. 此外，亦利用光学显微镜(OM)和扫描式电子显微镜(SEM)，对金相组织与破断面加以观察分析，以瞭解裂缝的生成及成长模式。
Keywords corrosion;tubing collar;synthetic rubber; 腐蚀;油管接箍;合成橡胶;
Such a small stress imposed on the low-pressure long turbine blade combined with its evitable corrosive environment contributing to the corrosion fatigue effect. 此一施加于低压汽轮机长叶片之小变动应力，当应力与腐蚀环境之结合，提供了腐蚀疲劳作用发生之条件。
Keywords magnesium alloys;corrosion fatigue;die-cast;mechanochemistry; 镁合金;腐蚀疲劳;压铸;机械化学;
Keywords drill pipe;corrosion fatigue;corrosion by H_2S;inhibitor;imidazoline; 钻杆;腐蚀疲劳;硫化氢腐蚀;缓蚀剂;咪唑啉;