Owing to the loss of their adjacent material constraint, the residual stress on the cutting edge of the small test block reduces, even changing from compressive stress to tensile stress.

由于失去与原有相邻材料的约束作用，小试块切割的边缘处残余应力减小，甚至由残余压应力转变为残余拉应力。

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Owing to the loss of their adjacent material constraint, the residual stress on the cutting edge of the small test block reduces, even changing from compressive stress to tensile stress.

由于失去与原有相邻材料的约束作用，小试块切割的边缘处残余应力减小，甚至由残余压应力转变为残余拉应力。

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