本文对比分析了氮基保护气氛和真空两种热处理加热介质对300M钢疲劳性能的影响，并研究了热处理后表面喷丸强化对300 M钢疲劳性能的改善情况。
In this paper, the effect of heat treatment by the nitrogen atmosphere and vacuum furnace and shot peening thereafter on fatigue properties of 300m steel were studied.
介绍了液体喷丸技术中的参数选择及在汽轮机零件表面强化中的应用。
The choice of liquid shot-peening parameter and the application to strengthen the part surface are introduced.
介绍了液体喷丸技术中参数的选择及在汽轮机零件表面强化中的应用。
The choice of liquid shot-peening parameter and the application to strengthen the part surface.
用X射线应力测量仪分别测定了坦克履带销经滚压、喷丸和滚压加喷丸三种表面强化后的表面残余应力。
The surface residual stresses of tank track pins after being strengthened by means of rolling, shot peening or rolling plus shot peening were measured by X-ray stress measurer, respectively.
分析研究了喷丸强化处理前后的显微硬度和表面粗糙度。
The microhardness and surface roughness of specimens before and after shot peening was studied and analysed.
若喷丸强化后再表面磨光，则可以进一步改善喷丸强化提高SCC抗力的效果。
The SCCR could be further improved by promptly polishing the surface after shot peening.
若喷丸强化后再表面磨光，则可以进一步改善喷丸强化提高SCC抗力的效果。
The SCCR could be further improved by promptly polishing the surface after shot peening.
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