fractures of the ta5 alloy welded plates samples conducted fatigue crack propagation rate test were analyzed by scanning electron microscope.
用扫描电镜对ta5钛合金焊接板件不同部位的疲劳裂纹扩展速率试验后的试样断口进行了分析。
the fatigue crack propagation rate of the fusion line and weld toe are greater than that of the others.
熔合线和焊趾处疲劳裂纹扩展速率较其他部位大。
both the numerical analysis and experimental data show that the fatigue crack propagation rate is insensitive to the stress ratio for plain stress thin specimens.
实验结果和模拟结果都表明,该试样厚度下,应力比对裂纹扩展速率几乎没有影响。
the fatigue crack propagation rate (fcpr) of as-rolled am60 in the longitudinal direction is higher than that of the transverse direction.
轧制am60的横向疲劳裂纹扩展速度(fcpr)明显地高于纵向。
the influence of microstructure, environment, stress ratio, cyclic frequency and corrosion products on fatigue crack propagation rate were dis-cussed.
对显微组织,应力比和载荷频率的影响规律以及腐蚀产物的作用进行了一定分析。
the effect of the above factors on the corrosion fatigue crack propagation rate is described and analyzed in this paper.
实验得出了上述各因素对腐蚀疲劳裂纹扩展速率的影响结果,并对各因素影响裂纹扩展速率的原因进行了分析。
fatigue crack propagation rate of the forge steel brake disc is studed with a test in the paper.
该测定参数可用于锻钢制动盘剩余寿命评估。