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dc=0.15EHKICH2 (1) Where E is the modulus of elasticity of materials,Gpa; H is the hardness of materials,mpa;KIc is the static fracture toughness of materials, mpam1/2.
Acknowledgements This research was sponsored by the National Natural Science Foundation of China (No.51205112) and the National Natural Science Foundation of China (No.51575163).
Advanced Materials Research, 69 (2009) 133-137
Journal of Engineering for Industry. 113 (1991) 184-189
Journal of Chinese Ceramic Society. 34 (2006) 102-106

The purpose of this paper is the application of Method of Fundamental Solutions (MFS) to the torsion problem of hollow rods made with functionally graded materials.
Recently, research activity on functionally graded materials has stimulated investigation also on the torsion problem for inhomogeneous material.
The purpose of this paper is the application of Method of Fundamental Solutions (MFS) to the torsion problem of functionally graded materials.
For functionally graded materials the governing equation is a linear one with variable coefficients.
International Journal of Mechanical Science, vol. 1, pp. 356-365 (1960)

Introduction Mg-based alloys as metal structure materials and hydrogen storage materials have been attracting considerable attention recently due to their good performances [1,2].
In this work, Sn is firstly chosen to replace the toxic elements in magnesium anode materials and the effects of Sn on microstructure and electrochemical properties of Mg alloys anode materials are studied.
Journal of Colloid and Interface Science, Vol. 278 (2004), p.160 [6] M.C.
Materials and Design, Vol. 29 (2008), p806 [8] Y Feng, R C Wang, K Yu, et al.
Influence of Ga and Hg on microstructure and electrochemical corrosion behavior of Mg alloy anode materials.

Some welding technologies applied to dissimilar materials were studied.
Materials and Experiment Procedure Materials Materials used in this paper were aluminum AA1100 and steel KS 5 spring sheets.
Gavalas, "Micro-friction stir welding of titan zinc sheets," Journal of Materials Processing Technology, vol. 216, pp. 133–139, 6 September 2014 2015
Martikainen, "Welding of dissimilar non-ferrous metals by GMAW processes," International Journal of Mechanical and Materials Engineering, pp. 9-21, 2014
Svoboda, "Effect of the tool penetration depth in Friction Stir Spot Welding (FSSW) of dissimilar aluminum alloys," Procedia Materials Science vol. 8, pp. 868 – 877, 2015

Seshan: Journal of Materials Science Vol. 34(1999), p.5045-5049 [2] G.D.
Zhang: Chinese Journal of Material Research, Vol. 11(1997), p. 649-657 [3] W.S.
Sue: Materials Science and Technology, Vol. 17(2001), p.497-504 [4] D.
Wang, M.H Chen: Development and Application of Materials, Vol. 20(2005), p.29-33 [6] S.
Flower: Materials Science and Technology, Vol. 16(2000), p.806-810

This condition is mainly attributed to the small number of graphite particles of the same quality in composite materials with the same content of conductive graphite raw materials when the graphite particle size is large.
The content of the phenolic resin in the composite materials is determined by studying the influence of phenolic resin content on the properties of composite materials.
Frontiers of Materials Science, 2019, 13(3): 217-241
Journal of Applied Polymer Science, 2019, 136(11): 47183
Science and Engineering of Composite Materials, 2018, 25(6): 1177-1186

This paper puts forward a kind of new technology for metal matrix difficult-to-machine materials based on compound energy field.
Pajak utilized laser to assist electrochemical jet flow to remove the materials[5,6].
In recent years, the abrasive jet machining technology is widely used in the difficult-to-cut materials, a broad scope of materials can be processed by the technology, but the machining efficiency and surface quality are conditioned mutually as using the abrasive jet machining[7].
Kunieda: CIRP Journal of Manufacturing Science and Technology.
Harrison: Journal of Materials Processing Technology, Vol.149 (2004), pp.512-518

AI-VCR Computational Research on Visibility of 3D Materials Solids Reality Pictures Qiusun Ye Dept. of Mathematics and Computer Science Engineering, Wuyi University Wuyishan 354300, Fujian, P.R. of China qsye2005@yahoo.com.cn Keywords: Showing plane; sighting plane; visibility; 3D Materials solids; VCR(Variable Carrying Rules); AI(Artificial Intelligence).
Preface The Distinguishing of 3D (Dimensions) materials solid reality pictures, it is inevitable outcome of depth researches on distinguishing 2D materials solid reality pictures, in the mean time; it is also an important branch of researching CV(Computer Vision).
In actual fact, the greater part of distinguishing work would be done by 2D materials modeling of mathematics.
The parts materials surfaces visibilities of complex 3D solid are properties of both dispersal and continuation.
The Generation and Shadow Display of Graphics for Objects of Axial Symmetry, Journal of Computer Aided Design & Graphics, 1990(1) [12] Yao Kangrong.

However, the SiO2, A12O3, Ni, S, etc. are the components of the ferro-matrix friction materials.
Finally, the powders of materials investigated were mixed in the ball mill at 400 r/min for 0.5 h.
Materials Letters, 2003, 57(21): 3175-3181
Journal of Sichuan University (Engineering Science Edition), 2012, 44(4):191-196
Materials for Mechanical Engineering, 2003, 27(10): 11-13

Computer simulation becomes a new method for developing ceramic tool materials.
The simulation of crack propagation behavior of ceramic tool materials can help to design the higher property materials.
Wakayama, Simulation of microfracture process of brittle polycrystals: Microcracking and crack propagation, Computational Materials Science 8 (1997) 327-334
Part II: Numerical examples, Mechanics of Materials 35 (2003) 365-394
Ilschner, Fracture behaviour of composites based on Al2O3-TiC, Journal of Materials Science 15 (1980). 875-885.