期刊
MATERIALS
卷 13, 期 17, 页码 -出版社
MDPI
DOI: 10.3390/ma13173878
关键词
abrasive waterjet; machining; traverse speed; material structure; material properties; cutting force; deformation force
类别
资金
- Ministry of Education, Youths and Sports of the Czech Republic [SP2018/43, SP 2019/26, SP 2020/45]
Material structure is one of the important factors influencing abrasive waterjet (AWJ) machining efficiency and quality. The force measurements were performed on samples prepared from two very similar steels with different thicknesses and heat treatment. The samples were austenitized at 850 degrees C, quenched in polymer and tempered at various temperatures between 20 degrees C and 640 degrees C. The resulting states of material substantially differed in strength and hardness. Therefore, samples prepared from these material states are ideal for testing of material response to AWJ. The force measurements were chosen to test the possible influence of material structure on the material response to the AWJ impact. The results show that differences in material structure and respective material properties influence the limit traverse speed. The cutting to deformation force ratio seems to be a function of relative traverse speed independently on material structure.
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