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In the present research, we used molecular dynamics simulation to determine the effect of cutting parameters on micro-grain boundary structures and Burgers vector distribution in single crystal iron and polycrystalline iron materials. The result showed that the destruction of the lattice in polycrystalline iron caused by the cutting tool was restricted to the contact surface area. In addition, in the precision machining process, a higher refining grain was observed on the iron surface. During the cutting process of single crystal iron, large-scale slip occurred along the <111> crystal direction on the {110} crystal plane. And the slip presented an annular shape.
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15--20
Opis fizyczny
Bibliogr. 12 poz., rys., tab.
Twórcy
autor
- China University of Mining and Technology (Beijing), Beijing 100083, China
autor
- Shandong University of Science and Technology, Qingdao 266590, Shandong, China
autor
- Shandong University of Science and Technology, Qingdao 266590, Shandong, China
autor
- Shandong University of Science and Technology, Qingdao 266590, Shandong, China
Bibliografia
- [1] S.G. Wang, K. Long, Q.G. Long, Refinement of industrial pure iron by deep rolling, JOM 12, 1247-1250 (2003).
- [2] J. Kong, F. Deng, Z.H. Xia, L. Li, Study on chip formation characteristics and influencing factors of pure iron, J. South China University of Technology, Natural Science Edition 44 (12), 7-13 (2016).
- [3] J.P. Zhu, Y.F. Yang, J.X. Kong, Research on cutting force and surface roughness during precision cutting of pure iron materials, Manufacturing Technology and Machine Tools 3, 108-112 +117 (2019).
- [4] Q. Zhao, B. Wang, J.Q. Yu, Research on the influence of cutting parameters on machining accuracy of parts, Digital Communication World 11, 278-279 (2017).
- [5] J. Belak, B.B. David, F.S. Irving, Simulation of nanometer-scale deformation of metallic and ceramic surfaces, MRS Bulletin 18, 55-60 (1993).
- [6] H. Wang, Diamond tool wear and C-C atomic bond length, Yanshan University, Master Thesis, 2012.
- [7] B. Shan, Z.Z. Chen, R.N. Chen, Scale computational simulation of Materials Science: from basic principle to algorithm implementation, Huazhong University of Science and Technology Press, Wuhan 2015.
- [8] M.S. Daw, M.I. Baskes, Embedded-atom method: Derivation and application to impurities, surfaces, and other defects in metals, Phys. Rev. B 29, 6443-6453 (1984).
- [9] D. Chen, Structural modeling of nanocrystalline materials, Comput. Mater. Sci. 3, 327-333(1995).
- [10] Z.W. Fang, The influence of metal cutting deformation on the quality of the machined surface, Modern Manufacturing Technology and Equipment 12, 147-148 (2019).
- [11] J.E. Jones, On the Determination of Molecular Fields. I. From the Variation of the Viscosity of a Gas with Temperature, Proc. the Royal Society of London Series A 106, 441-462 (1924).
- [12] Y.L. Zhang, Y. Xu, D. Chen, Several modified forms of Tersoff potential function, Science and Technology Innovation Herald 13, 135-135(2018).
Uwagi
Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).
Typ dokumentu
Bibliografia
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bwmeta1.element.baztech-ccd3348f-f8b6-48ea-98c7-18668e111d72