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When σG≥σT, the material damage.
Acknowledgements This work was supported by National Defense Science Research Foundation of China (B3120110004), and National Natural Science Foundation of China (10972187).
Suggested Methods for Determining Tensile Strength of Rock Materials[J].
Journal of water conservancy, 2010, 41(10):1234-1240(In Chinese) [4] Wu Zhanfei.
Journal of rock mechanics and engineering.2004, 23(1):170-174(In Chinese) [8] Wang Qizhi, Jia Xueming.

Wear type rut: because the top floor of the asphalt pavement structure materials under the action of abrasion wheel and natural environmental factors constantly loss formation, especially the car after using the tire chain and nail, the rutting are more likely to happen.
Because most of the asphalt pavement with semi-rigid base materials, structural rutting is less, so in general refers to instability rutting.
Journal of South China University of Technology (natural science edition), 2004, 4:258-261
Journal of Chang 'an University (natural science edition), 2004, 24 (2) : 357-361
Journal of Central South Highway Engineering, 2003, 6, 13-15

Preparation thin film nanocomposite membrane incorporating PMMA modified MWNT for nanofiltration Chang-chao Yu, Hong-wei Yu, Yue-xia Chu, Hui-min Ruan, Jiang-nan Shen1,a （College of Chemical Engineering and Materials Science, Zhejiang University of Technology, Hangzhou 310014, China） * Corresponding Author：Jiang-nan Shen, Associate Professor, College of Chemical Engineering and Materials Science, Zhejiang University of Technology, Tel: 86-571-88320711, FAX: 86-571-88320711, email: shenjn@zjut.edu.cn Keywords: Polyamide thin-film nanocomposite (TFN) membranes; Multiwalled carbon nanotubes; Interfacial polymerization.
Introduction Recent studies have demonstrated that membranes formed by embedding inorganic materials like pure metal, metal oxide, silicon nanoparticles, carbon nanoparticles, etc into a matrix layer may significantly improve membrane properties such as permeability, selectivity, stability, surface area, or catalytic activity in various membrane separation processes [1-3].
Experimental Materials.
Gao, Preparation and characterization of PES-SiO2 organic-inorganic composite ultrafiltration membrane for raw water pretreatment, Chemcial Engineering Journal, 168 (2011) 1272-1278
Gao, Synthesis of AgCl/PMMA hybrid membranes and their sorption performance of cyclohexane/cyclohexane, Journal of Membrane Science, 304 (2007) 118-126

Thermal analysis methods and scanning electron microscope (SEM) are utilized to provide a review of the gold-salt composite materials microstructure.
[2] Shin, D., and Banerjee, D., Enhancement of specific heat of high-temperature silica nanofluids synthesized in alkali chloride salt eutectics for solar thermal-energy storage applications, International Journal of Heat and Mass Transfer, 2011, Volume 54, Issues 5-6, Pages 1064-1070, February 2011
[3] Shin, D., and Banerjee, D., Effects of silica nanoparticles on enhancing the specific heat capacity of carbonate salt eutectic (work in progress), International Journal of Structural Change in Solids – Mechanics and Applications, Vol. 2, No. 2, pp. 25-31, November, 2010
[11] Shin, D., and Banerjee, D., Enhancement of specific heat of high-temperature silica nanofluids synthesized in alkali chloride salt eutectics for solar thermal-energy storage applications, International Journal of Heat and Mass Transfer, 2011, Volume 54, Issues 5-6, Pages 1064-1070, February 2011
Ruhle, Ordered liquid aluminum at the interface with sapphire, Science 310 (2005) 661-663.

The functional (technical) obsolescence is due to changes in technology (i.e. in system design, materials used, or to poor compliance to new standards of quality) as well as to introduction of technological innovations, that have lower operating costs and / or higher efficiency.
Journal of Urban Economics (1998), n. 44
Tajani: The market value of in use industrial machinery submitted to Advanced Materials Research (2013), paper presented at International Conference on Advanced Material and Manufacturing Science (ICAMMS 2012) Beijing, China December 20-21, 2012
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Journal of Urban Economics (2007), n. 61

However, the most successful commercial RP processes are based on polymer, plastic, wax, paper, low temperature powder material and so on.
In addition, if the material is difficult to machine or rare metal, the additive fabrication of a near-net shape part offers an economic way to machine it because of less tool wear or conserve precious resource.
In particular, the authors would like to thank Professor Haiou Zhang and his research Group of the Huazhong University of Science & Technology for the experiment.
-P.Kruth: Materials and Design, Vol.31 (2010), p. 850 [2] Escobar-Palafox, et al.
Industrial Robot, Vol.38 (2011), p. 622 [3] Matz JE, Eagar TW: Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science, 33(8) (2002), p. 2559 [4] Haiou Zhang, Jipeng Xu, Guilan Wang: Surface and Coating Technology, Vol.171 (1-3) (2003), p. 112 [5] Xinhong Xiong, Haiou Zhang, Guilan Wang: Rapid Prototyping Journal, Vol.14 (2008), p. 53 [6] Haiou Zhang, Xinhong Xiong, Guilan Wang, Jing Chen: China Mechanical Engineering Vol.20 (2005), p. 1863 [7] Xinhong Xiong, Haiou Zhang, Guilan Wang: Journal of Materials Processing Technology, Vol.209 (2009), p. 124

Materials and applications for large area electronics: solution-based approaches[J].
Journal of Materials Chemistry, 2010, 20(39): 8446-8453
Sol-gel-processed SiO2/TiO2/poly (vinylpyrrolidone) composite materials for optical waveguides [J].
Chemistry of materials, 1996, 8(1): 235-241
Macromolecular Materials and Engineering, 2003, 288(9): 717-723

Therefore, the coupling effects between ferroelectric and antiferromagnetic order have been studied for various BFO materials [4, 5].
Paixao, Journal of Materials Science, 50 (2015) 7192-7196
Chang, et al., Materials Research Bulletin 48 (2013) 383-388
Zhang, et al., Materials Letters 124 (2014) 242-244
Zhu, et al., Journal of Advanced Ceramics 2 (2013) 252–259

Introduction Polymer blending is an important technique for creating materials with enhanced properties.
Among several materials, cobalt oxide nanoparticles have been selected.
Preparation of (Co3O5) has a simple and cheap raw materials that are available in the local market.
The fuel cell was developed using polymeric materials with (Co3O5) to speed up the reaction process and obtain the best results.
[8] Rizwan Wahab, Naushad Ahmad, Manawwer Alam, Javed Ahmad, Materials Science and Engineering B 265 (2021) 114994 [9] S.

Schumann, Journal of Materials Processing Technology 117 (3)(2001) 276–281
Dröder, Advanced Engineering Materials 3 (12) (2001) 969–974
Higashi, Materials Transactions JIM (Jpn Inst Met) 41 (9) (2000) 1192–1195
Turgeon,Materials Characterization 52 (2) (2004) 103–119
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