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Materials containing carbon elements can form activated carbon when heated at high temperatures.
In Materials Science Forum l (1007), (2020, September) 71-75.
Natural Science: Journal of Science and Technology, 9(1) (2020) 23-28
Journal of Science and Applicative Technology, 6 (2) (2022) 124-130
Natural Science: Journal of Science and Technology 9, no. 1 (2020): 23-28

The J-integral formula of the anisotropic material in arbitrary integral path can be shown as following, (9) When different materials are involved, the J-integral formula can be denoted as equation (10), where n is the number of segments of the integral path
Mechanics Journal,2000,32（02）:223~232 [4] Long Y Q.
Shen Yang: Liaoning Science and Technology Press,1987,120~121 [5] Xiang-Rong Fu, Song Cen, Yu-Qiu Long.
Key Engineering Materials, 2008, 385-387: 617-620
Key Engineering Materials, 2008, 385-387: 869-872.

Experimental apparatus and materials.
Zhao, C Li: Materials Science and Engineering, A561 (2013)259-265
Okada: Materials Science Forum, 767 (2014) 166-170
Ishibashi: Materials Science Forum, 767 (2014) 171-176
Itoh: Materials Science Forum, 465-466 (2004) 265-270.

Recently, the microscopic nano-tribology[12] has received much attention with the continuous development of scientific research on nanometer materials.
Because the friction mechanism is unclear, the friction materials can only be chosen according to experiments so far.
Tomikawa have introduced results of comparison experiments on different friction materials, from which no significant advantage or disadvantage can be seen.
No unified standard has been defined for selection of friction materials for ultrasonic motors of different forms, and there is only some qualitative knowledge about this.
Therefore, the friction materials can only be selected according to experience.

Ferreira, et al.: Diamond and Related Materials Vol. 14 (2005), p. 441
Gruen: Annual Review of Materials Research Vol. 29 (1999), p. 211
Ferreira et al.: Diamond and Related Materials Vol. 12 (2003), p. 596
Cicala, et al.: Diamond and Related Materials Vol. 14 (2005), p. 421
:Journal of Vacuum Science and Technology A.

As one of the important directions of the development of modern high-tech new materials, smart material will support the development of high-tech in the future.
In this paper, the actuation and bending performance of SSMA-reinforced IPMCs were investigated, presented and compared with that of traditional Nafion-IPMC. 2 Experimental materials and methods 2.1 Experimental materials The perfluorosulfonic acid (PFSA) resin Nafion dispersion (DE-520，5.0-5.4 wt.% in a mixture of propanol and water) was purchased from DuPont Company.
[2] NSFC Mechanics and Materials Science Department.
Leo, Ionic polymer-metal composites as multifunctional materials [J], Polym.
Journal of Industrial and Engineering Chemistry, 2010, 94: 7pp

This may be achieved through a directional flow and using highly viscous silicon (thanks to a localized wick), and by keeping the sides of the materials permeable to gas.
This led to composite materials with a thermal conductivity which was four times as high as that of those materials densified via CVI.
[6] D.Brewer, Materials Science and Engineering A, 261, 1999, 284-291
[9] R.Saliger, V.Bock, R.Petricevic, T.Tillotson, S.Geis, J.Fricke, Journal of Non-Crystalline Solids, 221, 1997, 144-150
[11] M.Singh and D.R.Behrendt, Journal of Materials Synthesis and Processing, 2, 2, 1994, 117- 123.

Materials, 12, 23
Materials Today: Proceedings
Faculty of Materials Science and Technology.
Journal of Materials Processing Technology, 209, 5593-5600
Journal of Materials Science : Full Set - Includes `journal of Materials Science Letters', 51, 8, 3657-3674

During the production or application process of nuclear materials, it is possible that large amounts of waste containing radionuclide would be produced.
In addition, vermiculite is a kind of active materials due to their large surface area and good adsorption properties[4] .
References [1] Changhe Li: Chinese Journal of Nuclear Science and Engineering, Vol. 14 (1994), p. 86
Giacomino, et al: Journal of Colloid and Interface Science, Vol. 299 (2006), p. 537
Arakaki: Journal of Colloid and Interface Science, Vol. 285(2005), p. 50.

Finite Element Model and Analysis for Micro-cutting of Aluminum alloy 7050-T7451 Fuzeng Wang1, a, Jie Sun2,b , Peiqin Sun 3,c , Jun Zhou 4,d 1, 2 School of Mechanical Engineering, Shandong University, China 3 Editorial board of journal of Shandong University (Science and Technology), China 4Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences awangfuzeng@gmail.com, bsunjie505@gmail.com, c sunpq@sdu.edu.cn, d zhouj@ciomp.ac.cn Keywords: Micro-cutting; FEA simulation; Al7050-T7451 Abstract.
Finite Element Model 1.1 Material constitutive model The J-C constitutive equation (Eq.1) [2] was employed to model the thermo- plastic behavior of Aluminum alloy7050-T7451, which accounts for strain hardening, strain rate hardening, thermal softening and elastic recovery effects of work material under high strain, strain-rate and temperate conditions.
Table.1 reports the material constants obtained by Qunlin Cheng [3]
Ehman, The mechanics of machining at the micro scale: assessment of the current state of the science, Journal of Manufacturing Science and Engineering 126(2004) 666–678
Catastrophic thermo plastics shear [J].Journal of Applied Mechanics, 86(5) (1964).