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- 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。
- A low cycle fatigue (LCF) testing on 16MnL sheet steel is reported. 本文工作对汽车大梁所用的16MnL薄板钢材进行了低周疲劳试验研究。
- Low cycle fatigue properties are affected adverselyby abusive grinding. 过量磨削对低循环疲劳性起着有害的作用。
- The initial requirements involved the belief that the presence of a duplex or "necklace" structure was intolerable from a low cycle fatigue aspect. 最初有人认为从低周疲劳性能的角度来说双层或“项链”组织是绝对不行的。
- Elastoplastic finite element analysis and low cycle fatigue life prediction of an engine combustor case were completed. 对某发动机燃烧室外套进行了弹塑性有限元分析和低循环疲劳寿命预测。
- The results show that low cycle fatigue life is reduced and cyclic stress is raised by torsional prestrain raising. 结果表明，扭转预应变降低低周疲劳寿命，循环应力随扭转预应变的增大而增大。
- Finally, the future directions in the research of multiaxial low cycle fatigue are suggested. 并建议今后多轴低周疲劳课题的研究方向。
- Recent development of multiaxial low cycle fatigue under nonproportional loading is summarized. 综述近年来国内外非比例载荷下多轴低周疲劳研究的进展和现状。
- Low cycle fatigue (LCF) tests of a directionally solidified nickel base superalloy were conducted at elevated temperatures. 本文研究了一种定向凝固镍基高温合金的高温低周疲劳行为。
- Long time corrosion fatigued the oil pipeline. 长时间的腐蚀使输油管道老化了。
- This paper presents the low cycle fatigue crackgrowth rates of PCrNi3MoVA (ESR) steel which are measured interms of J--Integral method. 本文应用J-积分方法测定了PCrNi3MoVA电渣重熔钢的低周疲劳裂纹扩展速率。
- For the same material, the low cycle fatigue life in high temperature air is longer than that in simulated BWR and PWR primary environments. 对于同种材料,高温空气中的低周疲劳性能优于高温水中的低周疲劳性能;
- 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。
- Secondary crack, reared ridge, and microcrack in the front of the main crack tip can all hinder crack propagation during low cycle fatigue. 撕裂棱、裂纹前端微裂纹的桥接等因素是阻滞主裂纹扩展的主要机制。
- A method is outlined for making low cycle fatigue life prediction for engineering components subject to multiaxial loading. 介绍了一种预测受多轴交变载荷工程构件的低周疲劳寿命的方法。
- 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。
- High temperature low cycle fatigue (HLF) life prediction models have great significance for design of high temperature structure under cycLic loading. 高温低周疲劳（HLF）寿命预测方法对于承受变幅载荷的高温构件的设计具有重要意义。
- 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。
