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load wave    
相关语句
  加载波形
    The Influence of Load Wave on the Rate of Fatigue Crack Growth in Axle Steel
    加载波形对车轴钢疲劳裂纹扩展速率的影响
短句来源
    Using the technology of the electrical potential method to measure the crack lengths,we discuss the effect of load wave on the rate of long and short fatigue crack growth in axle steel.
    采用电位法裂纹测量技术与断口形貌分析相结合,讨论了加载波形对车轴钢长、短裂纹扩展速率的影响。
短句来源
  加载波形
    The Influence of Load Wave on the Rate of Fatigue Crack Growth in Axle Steel
    加载波形对车轴钢疲劳裂纹扩展速率的影响
短句来源
    Using the technology of the electrical potential method to measure the crack lengths,we discuss the effect of load wave on the rate of long and short fatigue crack growth in axle steel.
    采用电位法裂纹测量技术与断口形貌分析相结合,讨论了加载波形对车轴钢长、短裂纹扩展速率的影响。
短句来源
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  load wave
Decay of the elastic precursor of a plane load wave and its relation to parameters of the equation of state
      
Relationship between the electric signal in a conductor-dielectric-conductor system and the parameters of a plane load wave
      
The tests were carried out at a 5 Hz frequency, with a sinusoidal load wave form and at a stress ratio of R=min/max=0.1.
      


Using the technology of the electrical potential method to measure the crack lengths,we discuss the effect of load wave on the rate of long and short fatigue crack growth in axle steel.The results show that the propagation properties of fatigue crack in axle steel is fairly sensitive to the load wave.It is pointed out that in the case of the same driving force (△K) the propagatoin rate of a crack under the rectangular pulse load is faster than that under the sinusoidal wave load,especially...

Using the technology of the electrical potential method to measure the crack lengths,we discuss the effect of load wave on the rate of long and short fatigue crack growth in axle steel.The results show that the propagation properties of fatigue crack in axle steel is fairly sensitive to the load wave.It is pointed out that in the case of the same driving force (△K) the propagatoin rate of a crack under the rectangular pulse load is faster than that under the sinusoidal wave load,especially in the short crack stage.And this is also demonstrated by the fractographic with SEM.

采用电位法裂纹测量技术与断口形貌分析相结合,讨论了加载波形对车轴钢长、短裂纹扩展速率的影响。结果表明,车轴钢对加载波形的变化具有一定的敏感性,在相同的驱动力(△K)作用下,矩形波加载的裂纹扩展速率普遍高于正弦波加载的裂纹扩展速率。从断口形貌SEM照片上也证实了这一点。

A static elasto-plastic structural analysis for the rear axle of a Santana car is conducted,using FEA software ANSYS.In particular,the structural strength at welds and the stress variation at fracture spots of cross member during half a cycle of loading wave are studied.Using critical plane method,the basic parmaeters affecting fatigue strength and life are identified.The modification scheme for enhancing the strength of rear axle is proposed and verified by real vehicle testing.

根据桑塔纳 2 0 0 0汽车后桥的实际结构 ,利用通用有限元软件ANSYS ,对后桥进行了弹塑性静态结构有限元分析。主要研究了结构焊接处强度、横梁破坏处在半个周期载荷波内应力状态变化 ;给出了在最大剪应变幅平面上 ,影响疲劳强度及寿命的基本参量的计算结果 ;提出了提高后桥强度的改进方案

 
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