您要查找的是不是:
- 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。
- fatigue fracture mechanism 疲劳断裂机理
- Fatigue Fracture of Tibia in School Age Children. 学龄期儿童胫骨疲劳性骨折
- Fatigue Fracture Mechanical Analysis of Piston Rod of Hydrogen Nitrogen Reciprocating Compressor 氮氢气循环压缩机活塞杆疲劳断裂的力学分析
- The fatigue behavior of the solder alloy was related to the fatigue-induced microstructural variations and the fracture mechanism. 采用扫描电镜观测和分析了焊料在疲劳前后的组织特征。
- The effect of temperature on cyclic fatigue life and fracture mechanism on 2524-T4 aluminum alloy was studied by cyclic fatigue test,SEM and TEM. 采用疲劳实验、SEM及TEM等分析测试手段,研究温度对2524-T4合金疲劳寿命及断裂机制的影响。
- 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。
- 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。
- Fracture mechanics for plates and shells II. 板壳断裂力学2。
- 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。
- 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。
- The tensile fracture of FSW appears to be dimple and the fracture mechanism is analyzed through dislocation theory. 断口分析表明,搅拌摩擦焊接头断口为明显的韧窝形貌,并用位错理论解释了微观断裂机制。
- 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。
- Meanwhile,a useful value for following study on tensile fracture mechanism of UHMWPE/LDPE is given. 对后续研究UHMWPE/LDPE复合材料声发射特性和拉伸破坏机理具有参考价值。
- The fracture mechanism of the fibre reinforced GBCM was analyzed by the curve of load-deform. 结合弯曲载荷-变形曲线,分析了维尼纶纤维增强石膏基复合材料的断裂机理;
- 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。
- Effects of carbon content in steel on the M/B duplex microstructure and fracture mechanism were studied. 研究含碳量对钢中马氏体/贝氏体(M/B)复合组织形态和断裂机理的影响。
- 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。