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Solid sealing materials, liquid sealing materials and three-phase foam are common sealing materials.
Solid materials are usually used in dense rock borehole, but they are not suitable for the fractured borehole.
Liquid materials are of strong infiltration capacity, but will produce splitting effect on fracture when injection pressure is high [1].
Moreover, curved or rough borehole is simulated when the steel wire is curved or covered with rough materials.
[7] Kaitai Fang: Uniform Design and Experimental table (Science Press, Beijing 1994).

One of those alternative materials is natural materials including bamboo.
Construction and Building Materials, 249
Construction and Building Materials, 309
Construction and Building Materials, 229
Journal of Tropical Forest Science, 19, 6-12

Research Progress on Ecological Design Methods of Materials Xiao Liua*, XianzhengGongb, Yu Liuc and ZhenguoPengd School of Materials Science and Engineering, Beijing University of Technology, 100 Ping Le Yuan, Chaoyang district, Beijing, 100124, China a18610446646@163.com,bgongxianzheng@bjut.edu.cn,cliuyu@bjut.edu.cn, dzhengguopeng@emails.bjut.edu.cn Keywords: Ecological design, Life cycle assessment, Design method.
Materials & Design, 27(3) (2006) 209-215
Life cycle assessment of typical wall materials.
How to make a decision: the analytic hierarchy process, European journal of operational research, 48(1) (1990) 9-26
Audit and evaluation of cleaner production, China Environmental Science Press, (2005)

Ti2AlC/TiC Functionally Graded Material Fabricated by Reaction Sintering Yanlin Chen1,2,a, Ming Yan1,2,b , Peijie Lu1,c, Zongyu Li1,d, Chengwen Zeng1,e 1School of Materials Science & Engineering, Hubei University of Technology, Wuhan 430068, China 2Hubei Provincial Key Laboratory of Green Materials for Light Industrial, Hubei University of Technology, Wuhan 430068, China aChenyl70@126.com, bcaridle@qq.com, c1343500561@qq.com, d372566821@qq.com, e366062249@qq.com Keywords: TiC; Ti2AlC; FGMs; HP; sintering temperature Abstract.
Experiment With powder raw material Ti, Al, TiC made Ti2AlC/TiC functionally gradient materials.
Journal of the American Ceramic Society, 2012, 95(1):358-364
Journal of the European Ceramic Society,2008, 28(8): 169721713
Journal of Materials Science and Technology, 2011, 27(3):239-244

Influence of Phase Composition on Dielectric Properties of Bismuth-Based Ceramics with Scheelite-Type Structure Dionizy Czekaja and Agata Lisińska-Czekajb University of Silesia, Department of Materials Science, 2, Sniezna St.,41-200 Sosnowiec, Poland bdionizy.czekaj@us.edu.pl, aagata.lisinska-czekaj@us.edu.pl Keywords: BiNbO4, micromechatronic materials, impedance spectroscopy, dielectric properties.
Wersing: Current Opinion in Solid State and Materials Science Vol. 1, 5 (1996), p. 715 [3] N.
Li: Materials Research Bulletin Vol. 39 (2004), p. 439 [4] R.
Gupta: Materials Characterization, Vol. 59 (2008), p. 1083 [5] H.
Shan: Journal of Materials Science Vol. 35 (2000), p. 5443 [7] Sang Ki Ko, Kyung Yong Kim, and Byong Ho Kim:, Journal of Materials Science: Materials in Electronics, 9 (1998), p. 351 [8] Ning Wang, Mei-Yu Zhao, Zhi-Wen Yin and Wei Li:, Materials Research Bulletin 39 (2004) p. 439 [9] Eung Soo Kim and Woong Choi:, Journal of the European Ceramic Society, 26 (2006) p. 1761

Acknowledgements The authors acknowledge the financial support from National Natural Science Foundation, China (No. 51275047), the National Defense Fundamental Research Foundation, China (No.
Determination of Best Objective Function for Evaluating Geometric Deviations, International Journal of Advanced Manufacturing Technology, 1999 (15) 206-212; [4] Shakarji C.
Flatness error evaluation based on evolutionary strategy [J].Chinese Journal of Scientific Instrument 2007, 28(5) 832-836 [7]LIAO Ping, YU Shouyi.
Mechanical Science and Technology. 2003, 24(3) 181-184 [8]CHEN Ping WANG Guozhao.
A new algorithm of planar point set based on sorted points[J].Bulletin of Science and Technology.2007, 23（6）863-866 [9]ZHANG Fei XIE Buying.

The results indicate that increasing the amount of hair significantly improves the strength of the materials.
The principle of testing the tensile strength of materials consists in a slow applying constant tensile force.
These composite materials can find various applications in fields ranging from automotive parts to construction materials and even aerospace components.
Iuliano, "Sustainability in the manufacturing of composite materials: A literature review and directions for future research," Journal of Manufacturing Processes, vol. 85, pp. 858-874, 2023/01/06/ 2023, doi: https://doi.org/10.1016/j.jmapro.2022.12.020
Vatsal, "Fabrication and Analysis of Human Hair Based Hybrid Epoxy Composite for Mechanical Properties," International Journal of Innovative Science and Research Technology, vol. 07, no.

Materials and Methods Materials for sleepers were prepared on the basis of the production of wood-polymer composites (WPC) by Savewood.
Materials[J].
Stroitel’nye Materialy [Construction Materials]. 2020.
Journal of Railway Science and Engineering. 2019, 3.
Stroitel’nye Materialy [Construction Materials]. 2018.

Modern material science has been up to an unprecedented level.
Besides, modern material science keeps providing new materials for us.
• Touch properties of materials Touch properties of materials, another main sensation for people to experience materials, perceive touch properties of materials by touching materials with people’s hands or skins.
Touch textures of materials are bound up with expression ways of materials’ surface structures.
JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY, Jan. 2010(Vol. 32 (No.1) [4] X.

Especially, considering the scarcity of studies about tropical wood materials, it is more important to determine the specific work by the experimental approach.
Notwithstanding some studies about the effect of technological factors on the cutting power of some woods [3, 4], there existed no study about the milling power of tropical wood materials.
Mechanical properties of cutting tool material C Si Mn Ni S P Cr V Ti Cu 0.8-0.9 0.1-0.4 0.15-0.45 0.9-1.3 ≤0.03 ≤0.03 5-6 0.3-0.5 0.05-0.15 ≤0. 3 The processed materials were tropical woods with dimensions as follows: length of wood samples lw = 1000mm, width b = 20 ... 22mm.
At the same time, the depth of the deformed material layer becomes thicker, resulting in a significant rise in the friction between machine tools and materials.
Wang, "Effect of the helix angle of router bits on chip formation and energy consumption during milling of solid wood," Journal of wood science, vol. 48, pp. 126-131, 2002