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- STUDY ON THERMAL FATIGUE FRACTURE CHARACTERISTICS OF A CAST STEEL FOR WHEEL 一种车轮铸钢材料热疲劳断裂特征分析研究
- thermal fatigue fracture 热疲劳断裂
- Fatigue Fracture of Tibia in School Age Children. 学龄期儿童胫骨疲劳性骨折
- High level of resistance to thermal shock and thermal fatigue. 优良的耐热冲击和抗龟裂能力。
- 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。
- The thickness of coating decreasing the thermal fatigue resistance incr ease. 随涂层厚度减薄，热疲劳抗力增加；
- 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。
- 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。
- 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。
- 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。
- Thermal fatigue life of solder joints is predicted using the Coffin-Manson's empirical modified formula. 在此基础上,利用Coffin-Manson经验修正公式预报了焊点的热疲劳寿命。
- 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。
- This paper discusses the factors of influencing thermal fatigue of solder joint in SMT and its research method. 本文研讨了影响SMT焊接点热疲劳性能的因素及研究方法。
- 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。
- The effect of graphite morphology and alloying elements on thermal fatigue resistance of cast iron was studied. 对石墨形态、合金元素等对铸铁抗热疲劳性能的影响进行了研究。
- Thermal fatigue property of Ni-based infiltrated layer on copper substrate has been investigated. 研究了铜基表面镍基渗层的热疲劳性能。
- 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。
- Dynamic thermal fatigue of the micro specimens of 3Cr2W8V steel is carriedout in SEM with self-made Coffin model thermal fatigue stage. 利用自制的Coffin型热疲劳载物台,对3Cr2W8V钢微型试样进行了扫描电镜中的动态热疲劳试验。
- 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。
