Influence of Microshot Peening on Surface Layer Characteristics of Cold Tool Steel
Influence of Microshot Peening on Surface Layer Characteristics of Cold Tool Steel
复制标题
微喷丸对冷作工具钢表层特性的影响
DOI：
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发表时间：
2007
期刊：
影响因子：
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通讯作者：
Y. Haruna
中科院分区：
文献类型：
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作者：
Y. Harada;K. Fukaura;Toshinori Aoki;D. Yokoi;Y. Haruna
喷丸处理是一种表面处理，可提高工程部件的性能。最近，一种新型的微丸已被开发出来，以提高喷丸效果。研究了微喷丸对冷工具钢表面层特性的影响。在实验中，制作了带加热炉的微喷丸装置。微射器的投射方式为压缩空气式。喷丸微丸直径为0.1mm，工件为商用冷工具钢SKD11。测量了喷丸工件的表面粗糙度、残余压应力和硬度。研究了微喷丸对冷工具钢疲劳强度的影响。硬质合金等硬质微丸的使用被发现对冷工具钢造成显著增强的喷丸效果。
Shot peening is a surface treatment and improves the performance of engineering components. More recently, a new type of microshot has been developed to enhance peening effect. In the present study, the influence of microshot peening on the surface layer characteristics of cold tool steel was investigated. In the experiment, the microshot peening apparatus with a heating furnace was produced experimentally. The projective method of the microshot was a compressed air type. The peening microshots of 0.1mm diameter were cemented carbide and the workpiece was commercially cold tool steel SKD11. Surface roughness, compressive residual stress, and hardness in the peened workpiece were measured. The effect of microshot peening on the fatigue strength of cold tool steel was also examined. The use of hard microshot such as cemented carbide was found to cause a significantly enhanced peening effect for cold tool steel.