All specimens′ fracture strain are less than 0.6%, it can not relax stress concentration at notch.
高温和室温的拉伸断裂应变小于0 .6 % ,不能有效地松弛材料切口处的应力集中。
A notch sensitivity factor was derived in order to judge the stress concentration sensitivity of al Li based alloys.
建立了评价铝锂合金应力集中敏感性的缺口敏感因子。
The stress intensity factor of crack can be calculated from the stress concentration factor of corresponding notch when the boundary condition and other geometric conditions are in the same.
在边界条件和其他几何条件相同时,可以通过切口的应力集中系 数求得相应裂纹问题的应力强度因子。
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