采用中频熔炼、离心雾化凝固冷却得到铸态低碳铸钢丸，并对此进行相应回火处理得到不同硬度及寿命的低碳铸钢丸。
In this thesis, series of low carbon cast steel shot were successfully obtained by medium-frequency melting and centrifugal atomization technologies and temper were performed.
运用商用软件ABAQUS建立了铸钢钢丸冲击结构钢靶材的三维有限元模型。
In the present study, a three-dimensional FE model of shot peening process was developed using commercial software ABAQUS.
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