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Research on 5 Axis Tool-path Based on Constant Shearing Stress for Milling Thin-wall Ceramics Sun Quanpinga Wu Haibingb Chen Qianliangc aspqu@sian.com,bhbwu@qq.com,ccql@163.com The Key Lab. of Advanced Manufacturing Technology, Huaiyin Institute of Technology, China Keywords: Ceramics; High-speed cutting; Crack control; Algorithm Abstract: Ceramics is a material of hardness and brittle, so crack arises easily when it is machined.
Based on Eq. 7 and performance of material cutting, Firstly initialize feed rate f0 and total machining time T, and let cutting time in every cutting layer same namely .according to and Ft, feed-rate of all cutting layers should be computed as follows
Acknowledgement The authors greatly appreciate the financial support provided by the Natural Science Fund (No. 51075173), the Natural Science Fund of Jiangsu province (No.
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School of Civil and Architecture Engineering, Jiangsu University of Science and Technology, Zhenjiang Jiangsu 212003, China) (2.
Acknowledgments This work was financially supported by the National Natural Science Foundation of China (Grant No. 51108212) and the Natural Science Foundation of Fujian Province, China(Grant No. 2012J01240).
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Materials & Design, 216:110544, April 2022
Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 235(10):1788-1798, October 2019.[7] Jingjing He, Xiaohui Feng, Xinyan Wang, and Xuefei Guan.
Key Engineering Materials, 982:15-20, July 2024.

In recent years, an increasing number of scholars propose diffusion wear on tool surface in machining of certain materials.
It is well known that there are two primary mechanisms for atoms diffusing in homogeneous solid solution based on materials science theory, including vacancy diffusion and interstitial diffusion.
For purpose of further understanding the diffusion discipline of carbon atoms from diamond tool to ferric materials, a diffusion model in based on theory of material science would be established.
Ohmori, Micro cutting of ferrous materials using diamond tool under ionized coolant with carbon particles, Annals of CIRP. 60 (2011) 97-100
Bulent, The interface morphology of diffusion bonded dissimilar stainless steel and medium carbon steel couples, Journal of Materials Processing Technology. 190 (2007) 138-141.

Introduction With the remarkable excellent properties, the works of functionally graded materials (FGM) have drawn a lot of attention[1-4].
With the development of material science and technology, it is found that the static and dynamic characteristics of FGM can be turned by the temperature changes.
European Journal of Mechanics A.
International Journal of Solids and Structures.
Journal of Mechanical Science and Technology.

For brittle material, the evolution of the interface Γo separating the undamaged material d = 0 to the damaged one d = 1 have been studied in a framework based on an energetical description ([4, 11]).
The initial material and the damaged material are separated by a surface Γo.
Journal for Numerical Methods in Engineering, 86(3), 358-380, 2011 [8] Peerlings, R. and de Borst, R. and Brekelmans, W. and De Vree, J., Gradient enhanced damage for quasi-brittle materials, Int.
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M. and Stolz, C., On a regularized propagation law in fracture and brittle damage, Comptes Rendus Acadèmie des Sciences, Série II, 309, 1515-1520, 1989[13] Stolz, C., Bifurcation of equilibrium solutions and defects nucleation, International Journal of Fracture, 147, 103-107, 2007 [14] Stolz, C., Thermodynamical Description of Running Discontinuities: Application to Friction and Wear, Entropy, 12, 1418-1439, 2010 [15] C.

For a long time, boring rods are mainly made of traditional metal materials, such as steel and alloy steel.
The mechanical properties of these materials are shown in Tables 1, 2 and 3 respectively.
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Journal of Northeastern University(Natural Science), Vol.34(1)(2013),p.118-122
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Bhaduri, Manufacturing and processing of NiTi implants: A review, Progress in Materials Science, 57 (2012) 911-946
Mertmann, M. de Wild, Tailoring Selective Laser Melting Process Parameters for NiTi Implants, Journal of Materials Engineering and Performance, 21 (2012) 2519-2524
Petzoldt, Machining of NiTi based shape memory alloys, Materials Science and Engineering: A, 378 (2004) 180-184
Ren, Physical metallurgy of Ti–Ni-based shape memory alloys, Progress in Materials Science, 50 (2005) 511-678
Pollock, Processing of TiNi from elemental powders by hot isostatic pressing, Materials Science and Engineering: A, 280 (2000) 334-348.

Introduction The innovations in modern technology have been placing ever-increasing demands on advanced composite materials.
In the production industry, non-metal composite materials are used as substitutes for steel and other metals.
Besides, a wider choice of materials and ease of manufacturing make them ideal for engineering applications [1,2].
Fillers, in the form of particulates and fibers, are often added to polymeric materials to improve their stiffness and strength.
Chung: Properties of syndiotactic polystyrene composites with surface modified short Kevlar fiber, Materials Science and Engineering: A, Volume 441, Issues 1-2, 15 December 2006, Pages 206-214 [2] Min-Seok Sohn, Xiao-Zhi Hu: Mode II delamination toughness of carbon-fibre/epoxy composites with chopped Kevlar fibre reinforcement, Composites Science and Technology, Volume 52, Issue 3, 1994, Pages 439-448 [3] M.