本文简要介绍喷丸强化工艺的机理，及在改善金属零部件疲劳断裂和应力腐蚀断裂抗力中的强化效果；
The mechanism of the shat-blast enhancing technology and its eldest on improving resisfemle to fatigue and stress corrosion fracture are describe briefly in this paper.
相应金属磨料生产新工艺、设备及原材料的开发与研究，并出口越南钢丸钢砂全套生产线。
Research and development new techniques, new equipments and raw material. We have exported to Vietnam a full set of production line of steel shot and steel grit.
喷丸具有操作简单、耗能少、效率高、适应面广等优点，是金属材料表面改性的有效方法。
Shot peening is a widely applied process for surface modification of materials because of its salient features such as easy operation, low energy consumption, high efficiency and broad suitability.
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