Influence of rare earth elements on high-cyclefatigue properties of AZ91D alloy was investigated and the fatigue fracture morphology was also analyzed.
研究了稀土元素对AZ 91 D压铸镁合金高周疲劳性能的影响，并对疲劳断口的组织形貌进行了分析。
2
From the standpoint of coupling of non-steady flow with elastic blade vibration, studied was the forced response of blades, which is of major significance for the high-cyclefatigue of blades.
从非定常流动和弹性叶片振动相耦合的角度来研究叶片的强迫响应，对于叶片的高周疲劳具有重要意义。
3
The factor of life scatter is used for depicting the dispersibility of fatigue strength in low cyclefatigue, but in highcyclefatigue is the fatigue strength reduction factor.