... metallic fracture surface 金属断口分析 fracture surface model 断口模式 preferred fracture surface 优先断裂面 ...
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The analysis of mechanical model shows that the fracture toughness is improved by residual compressive stress of substrate surface, which resists the tensile deformation of substrate.
力学模型分析表明，基体残余压应力以抵抗基体拉伸变形的方式提高了铬层的断裂韧性；
The gravity fracture surface sliding model with self-affine fractal character is established.
构造了具有自仿射分形性质的重力型断裂面滑移模型；
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