Rough surface is easy to generate V shape of stress concentration, which reduce fracture strength.
粗糙表面的晶粒间易产生V形口，导致应力集中，降低了膜的断裂强度。
The problem of elastoplastic stress singularity near the tip of V notch is studied.
研究了V型切口尖端的弹塑性应力奇异性问题。
The problem of elastoplastic stress singularity near the tip of V notch is studied.
研究了V型切口尖端的弹塑性应力奇异性问题。
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