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喷丸的原理及其对疲劳的影响:微小球形的介质(弹丸)撞击零件表面而产生很大的残余压缩应力的薄层(见图1)。
The principle of shot peening and its impact on fatigue: a small spherical medium (projectile) hit the surface of the part and produce a large residual compressive stress thin layer (see Figure 1).