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- The spectrum provides reliable basis for calculating stresses and crack propagation life of thermal variable amplitude fatigue and for carrying out safety assessment for the nozzle region adjacent to the block coke valve of a coking tower. 该谱为进一步计算焦碳塔堵焦阀接管部位的应力及变幅值热疲劳裂纹扩展寿命和安全评定提供了可靠的载荷依据
- Tractices show that eht present computer program is a rathersimple and convenient method which can be used satisfactorily in analysingthe results of surface fatigue crack-growth tests arid in predicting crack propagation life. 实践表明:本文推荐的两套计算程序是处理分析表面裂纹疲劳扩展速率试验数据和估算裂纹扩展寿命的简便而有效的好方法。
- CRACK PROPAGATION LIFE STUDY OF FERRIS EXPERIMENTAL DISC 飞力试验盘的裂纹扩展寿命研究
- Reliability Study of Fatigue Crack Propagation Life of Axial Suspending Tube on Locomotive 机车抱轴箱疲劳裂纹扩展寿命的可靠性研究
- fatigue crack propagation life 疲劳裂纹扩展寿命
- crack propagation life 裂纹扩展寿命
- Crack propagation usually begins slowly. 裂纹的增长常常是开始缓慢。
- Grain size had some effect on the rate of crack propagation. 晶粒尺寸大小对裂纹扩展速率也有影响。
- 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。
- Statistical Correlation of Material Coefficient in Fatigue Cracks Propagation Formula and Prognosticating Propagation Life of Fatigue 疲劳裂纹扩展公式中材料常数的统计相关性及疲劳扩展寿命预测
- Abstract The fatigue crack growth rate is the core for assessing fatigue growth life by use of fatigue crack propagation (FCP) theory. 摘要 疲劳裂纹扩展速率表达式是采用疲劳裂纹扩展理论评估疲劳裂纹扩展寿命的核心。
- An automatic 3D crack propagation program based on the FE method was proposed. 摘要提出了一个基于有限元方法的自动三维裂纹扩展仿真系统模型。
- Crack propagation from the flameout edge can be modeled by considering an edge crack in the martensite surface from flame cutting. 裂纹从烧割边缘的扩展可模拟为一个从烧割处的马氏体表面起始的边裂纹。
- The short crack propagation is intensifiedby cathode-protection potential in the condition of erosion fatigue. 在腐蚀疲劳条件下外加阴极保护电位促进短裂纹扩展;
- 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.
- Fracture toughness is a material's ability to resist crack propagation and it is an important property of paper. 断裂韧性是材料抵抗裂缝延伸、扩展的能力,是纸张一种重要的强度性能。
- Criteria for crack propagation of ceramic materials are deduced from nonlocal elasticity theory in this paper. 本文根据非局部弹性理论推导了陶瓷材料的裂纹扩展准则。
- Transgranular fracture. Fracture of polycrystalline materials by crack propagation through the grains. 穿晶断裂:多晶材料裂纹穿过晶粒扩展而断裂。
- The addition of AlO_2 tended to shorten the period of time for crack initiation, whereas to retard crack propagation. 对钢的应力腐蚀存在双重影响,即促进裂纹萌生,同时又对裂纹扩展起抑制作用。
- Brittle fracture. Fracture that occurs by rapid crack propagation and without appreciable macroscopic deformation. 脆性断裂:通过快速裂纹扩展发生断裂,没有明显的宏观变形。