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- Fatigue crack surface 疲劳断口
- N. Shlyannikov, Z.B. Kuang, F.P. Yang (2004), Surface fatigue crack growth behavior, Russian journal Power Engineering Problems. 杨凤鹏，林卓英(2004)，表面裂纹疲劳扩展的试验，北京科技大学学报.
- The flaking do increases and undulates the fatigue crack growth rate. 钢中的白点能增加疲劳扩展速率并使扩展速率发生波动。
- The fractography of the fatigue crack initiation displayed cleavage f... 裂纹形成的断裂为穿晶解理机制,预应变可导致更多的二次裂纹。
- The relationships between microstructure, fracture surface and propagation behaviour of fatigue crack in TiB2 particulate reinforced ZA-8 Zn alloy and in the corresponding constitute matrix materials were studied. 研究了TiB2颗粒增强ZA－8锌合金复合材料和基体材料的疲劳裂纹扩展行为与显微组织、断口的关系。
- No evidence of fatigue crack extension was detected in the silver Memorial Bridge nor the Fremont Bridge. 在西尔费纪念桥和弗里蒙特桥都没有检查出疲劳裂纹扩展的证据。
- No stress measurements or crack surface samples were available for examination, only the surface crack configuration. 没有应力测量或裂纹表面取样可用于检验，只能依据表面裂纹图形。
- Part of the crack is cut by drill,the crack surface is dust-colour under naked eyes. 钻孔截取裂纹局部,肉眼可见裂纹表面呈暗褐色。
- The behaviours of fracture, fatigue and fatigue crack propagation in a cast magnesium alloy are systematically studied. 本文系统地研究了铸造镁合金的断裂;疲劳和疲劳裂纹扩展性能.
- The failure forms of cold work roll including contact fatigue crack, spalling, inclusion crack and wear are discussed. 讨论了冷轧工作辊接触疲劳裂纹、剥落、夹杂物裂纹和磨损等失效形式。
- During fracture propagation driven by detonation gas in oil well, dynamic response of crack surface under the gas pressure results in fast fracturing. 摘要油井爆生气体对岩石劈裂作用过程，是裂缝面对动态荷载响应并使其发生动态扩展的过程。
- The fatigue crack growth rate (FCGR) of 4130X steel in H2S environment is researched in this paper. 研究了4130X钢在硫化氢(H2S)腐蚀介质中的疲劳裂纹扩展速率da/dN。
- During fracture propagation driven by detonation gas in oil well,dynamic response of crack surface under the gas pressure results in fast fracturing. 油井爆生气体对岩石劈裂作用过程,是裂缝面对动态荷载响应并使其发生动态扩展的过程。
- In this paper, ALGOL computer program of data reduction techniques, for fatigue crack growth test is described. 本文叙述了疲劳裂纹扩展速率试验数据处理的ALGOL计算程序。
- SEM and Microzone Phase Structure Analysis (MPSA) help to describe the process of fatigue crack growth of the steel. 用SEM和微区相结构测试技术分析了中锰铸钢在疲劳裂纹扩展过程中的行为特点。
- The research results sho w that the fatigue life has been im provedgreatly and the fatigue crack gro ... 结果表明：激光冲击处理后，铝合金疲劳寿命显著提高、疲劳裂纹扩展速率大大降低。
- The fatigue crack growth rate is the core for predicting fatigue life by use of fatigue crack propagation(FCP) theory. 疲劳裂纹扩展率表达式是采用疲劳裂纹扩展理论预报疲劳寿命的核心。
- A core was removed from this area so that the crack surfaces could be examined. 从这一区域取样芯，以便检验裂纹表面。
- The observations of fracture surface under SEM found that fatigue cracks initiation area exists mostly in surface and in subsurface. 扫描电子显微镜分析发现,疲劳裂纹源的位置主要呈现为表层和次表层两种情况。
- The serious overloading of vehicles and the shortcomings of highway surface designs have left many highways in early fatigue cracks and tracks. 摘要近年来重载交通的日益严重和当前路面结构设计存在缺陷使得很多公路出现早期疲劳开裂和车辙现象。
