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EFFECTS OF LOAD PARALLEL TO THE CRACK ON THE FATIGUE CRACK PROPAGATION RATE 平行于裂纹方向的载荷对于疲劳裂纹扩展速率的影响
Fatigue Crack Propagation Rate of Automobile Structures after Strengthening Under Low Amplitude Load 低载强化后汽车结构件疲劳裂纹扩展速度研究
Experimental Study on Fatigue Crack Propagation Rate of the Forge Steel Brake Disc 锻钢制动盘疲劳裂纹扩展速率试验研究
INFLUENCE OF ENVIRONMENT ON THE FATIGUE CRACK PROPAGATION RATE (da/dN)OF 55SiMnMo STEEL IN AQUEOUS MEDIUMS 水介质对55SiMnMo钢疲劳裂纹扩展速率da/dN的影响
Measurement of Fatigue Crack Propagation Rate da/dN by Using Ultrasonic Rayleigh Waves 疲劳裂纹扩展速率(da)/(dN)的超声瑞利波测量
Keywords harmful dements;fatigue crack propagation rate;critical transition temperature;grain boundary segregation; 有害元素;疲劳裂纹扩展速率;临界转变温度;晶界偏析;
Probabilistic model of random-long fatigue crack propagation rates 随机疲劳长裂纹扩展率的新概率模型
fatigue crack propagation rate 疲劳裂纹扩展速率
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。
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。
Abstract This paper studies the fatigue crack growth rate of GDL-1 bainite steel with high strength and toughness in different heat treatment conditions by fatigue crack propagation tests. 摘要通过疲劳裂纹扩展试验，研究了不同热处理状态下GDL-1型高强韧贝氏体钢的疲劳裂纹扩展速率和疲劳裂纹扩展门槛值，得出了有价值有意义的结论。
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 striation spacing in heat affect zone and welded seam samples was wider than that in matrix sample,this shows that fatigue crack propagation... 焊缝区和热影响区试样的辉纹间距较基体区的大,说明裂纹扩展速率快,焊缝和热影响区的抗裂纹扩展性较基体差。
In this paper, various influencing factors of the crack propagation rate of superalloy are concluded, including external factors and internal factors. 总结了高温合金的裂纹扩展速率的各种影响因素，包括外部因素和内部因素两大类。
PTAE 4A AE monitor system was developed for monitoring the fatigue crack propagation on aircraft structure. And a study on its practical application was carried out. 为实现飞机结构的疲劳裂纹动态监控 ,研制了 PTAE- 4A机载声发射监测系统 ,并作了随机机载应用研究。
The crack propagation rate got from the test ia low, so the loop with crack could be re-used in regular monitering condition. 试验表明该材料在交变热应力下的裂纹扩展速率缓慢,带裂纹的管道在监督下可以继续运行。
O.B.Olurin, K.Y.G.McCullough , N.A.Fleck , and M.F.Ashby ,” Fatigue crack propagation in aluminium alloy foams ,” International Journal of Fatigue,Vol.23, pp.375-382(2001). 刘世一，”蜂巢与泡沫材料承受多轴载重下之疲劳行为”，国立成功大学土木工程研究所硕士论文(1999)。
Fatigue crack propagation tests were conducted on a circumferentially pre-cracked round bar of a medium carbon steel under combined torsion and tension. 研究了从中碳钢圆棒试样的环状预裂纹开始的疲劳裂纹扩展行为,分析了扭转/拉伸复合加载时不同载荷比对弹塑性疲劳裂纹扩展的影响。
The new type of cast steel also has obviously higher fracture toughness and resistance to fatigue crack propagation than the conventional ledeburite cast steel and forged Cr 12 type steel, and retains high wear resistance. 其断裂韧性和疲劳裂纹扩展抗力明显高于传统莱氏体型铸钢和锻造Cr12类钢；
Based on SOC theory and BTW model, the damage evolvement and crack propagation rate are studied on instability and failure of rock. This presents a new approach to research the mesoscope evolvement law of rock failure. 基于自组织临界性理论及沙堆元胞自动机模型,对岩石失稳破坏过程中的损伤演化、裂纹扩展规律进行了探讨,从新的角度研究了岩石失稳破坏的细观演化规律。