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- Corrosion fatigue fracture 腐蚀疲劳断裂
- Fatigue Fracture of Tibia in School Age Children. 学龄期儿童胫骨疲劳性骨折
- 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。
- Microdamage accumulation will finally lead to bone fatigue fracture. 显微损伤的积累最终会导致骨的疲劳骨折。
- Long time corrosion fatigued the oil pipeline. 长时间的腐蚀使输油管道老化了。
- 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。
- If the injury is not cured in time or is cured unsuitably, it will lead to periosteum hyperplasia or incurable fatigue fracture. 如果不及时治疗或治疗不当,会引起骨膜增生,甚至会引起疲劳性应力性骨折。
- 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。
- The fatigue fracture surface of test specimens shows hybrid-fracture characteristics of quasi-cleavage and dimple. 合金中添加Ce后,疲劳裂纹扩展区出现疲劳条纹,疲劳断口呈现出准解理和韧窝断裂的混合特征。
- 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。
- The relationship between surface integrity (SI) of metal materials and fatigue fracture resistance(FFR) are discussed. 论述了金属材料/零件的表面完整性与其疲劳断裂抗力之间的关系。
- 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。
- Surgical implants are subject to repeated stresses in use,which can result in fatigue fracture. 使用过程中的反复应力会导致外科植入装置发生疲劳断裂。
- 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。
- Objective To discuss the advantages of DR in fatigue fracture diagnosis compared with the plain X-ray photography. 摘要目的：探讨DR在疲劳骨折诊断中，与普通X线摄影相比有哪些优势。
- 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 results showed that two shafts' fracture are both high-low cycle fatigue fracture caused by vibratory fatigue. 结果表明，两根轴的断裂均是以振动疲劳为主的高、低周复合疲劳断裂。
- Objective To study the reasons of student fatigued fracture. 目的探讨中学生胫骨疲劳和疲劳骨折的发病机理。
- Fractography analyses with scanning electronic microscopy (SEM) were conducted to determine fatigue fracture mechanisms of these two lead-free solders. 此外，亦利用扫描式电子显微镜(SEM)观察表面裂缝与疲劳破断面，以了解此两款无铅焊锡之疲劳破裂机制。
- It can decrease the strength of the bone-prosthetic and the incidence of the occurrence of fatigue fracture and the loosening of prosthetic. [结论]旋转铰链型假体减少了骨与假体之间的应力，大大降低了松动或疲劳折断的发生率，是膝部恶性骨肿瘤较理想的保肢方法。
