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Lin: Journal of Advanced Materials Research Vol. 472-475 (2012), p.2100 [2] Information on http://www.smtcl.com [3] K.
Takeuchi: Journal of Advanced Mechanical Design, Systems and Manufacturing Vol. 4 (2010) NO.5, p.816 [4] T.
Zhang: Journal of Advanced Materials Research Vol. 148-149 (2011), p.649 [11] W.
Weiler: Journal of IEEE Computer Graphics and Application Vol. 5 (1985) NO.1, p.21 [13] B.
Zhang: Journal of Computer Engineering and Applications Vol. 33 (2001) NO.9, p.128 (In Chinese)

It was believed that the harder, stronger materials have an ability to resist deformation during the friction process[12].
Experimental Materials.
However, for the case in aqueous environment, the counterface was hard to modify by the transferred polymer materials[10].
Chinese Journal of Materials Research, Vol.21(2007)No.6, pp. 643-648.
(In Chinese) [8] Y.Lin,C.Gao and N.Li:Journal of Materials Science & Technology, Vol.22(2006)No.5, pp.584-588

Canadian Geotechnical Journal, 34(6), 853-862
Journal of Geotechnical and Geoenvironmental Engineering, ASCE, 128(4), 351-355
Journal of Geotechnical and Geoenvironmental Engineering, ASCE, 128(7), 546-557
International Journal for Numerical and Analytical Methods in Geomechanics, 11(1), 33-50
Limit load in translational failure mechanisms for associative and non-associative materials.

All the 4 different types of materials are assigned as shown in table 1.
The mechanical parameters of materials are determined by laboratory tests, field tests [5].
The gravity is applied by assigning the materials' unit weights.
Ding, et al., Stability assessment of the Three-Gorges Dam foundation, China, using physical and numerical modeling - Part I: physical model tests, International Journal of Rock Mechanics & Mining Sciences, Vol. 40 (2003), p. 609
Ding, Stability assessment of the Three-Gorges Dam foundation, China, using physical and numerical modeling - Part II: numerical modeling, International Journal of Rock Mechanics & Mining Sciences, Vol. 40 (2003), p. 633

(2) According to the actual condition in southeast Tibet, debris flow materials composition, design earthquake peak acceleration, temperature difference and the materials source density are all considered as the debris flow risk assessment indicators in the set pair analysis model
Journal of Natural Disasters, 18(6): 124-128
Journal of Catastrophology, 6(2): 1-7
Journal of Sichuan University (Engineeing Science Edition), 44(s1): 54-59
Journal of Sichuan University (Engineeing Science Edition), 41(6): 6-12.

The electrical and mechanical properties can be adjusted in a wide range by varying the ratio of active filling particles and the matrix materials.
Introduction The development of functionalized materials in combination with integration solutions by means of polymer technologies is increasingly explored.
Lillehei, Evidence of Piezoelectricity in SWNT-Polyimide and SWNT-PZT-Polyimide Composites, Journal of Thermoplastic Composite Materials 21 (5), pp. 393-409, 2008, DOI: 10.1177/0892705708089483 [6] J.
Dietze, "Micro Test Specimens for Compound Engineering with Minimum Material Needs", Materials Science Forum, Vols. 825-826, pp. 928-935, 2015, DOI: 10.4028/www.scientific.net/MSF.825-826.928 [11] A.V.
Kroll, On the numerical simulation of molding processes with integrated textile fiber reinforcements, Journal of Thermoplastic Composite Materials 26 (1), pp. 74-90, 2013, DOI: 10.1177/0892705711419695 [13] Th.

Experimental Process Experiment Material.
Science and Engineering of Composite Materials, 2016, 23(6): 671-676
International Journal of mechanical Sciences, 2019(155):98-109
Advanced Materials Research, 2014, 926-930:3684-3687
Journal of Mechanical Science & Technology, 2014, 28(7):2831-2844

Through the incorporation of nanofillers in polymer matrices, it could enhance the partial discharge properties of the insulation materials.
The filler material is Aldrich S5130 silica fumed powder with a mean size of 7 nm.
Hollertz, Epoxy based materials containing micro and nano sized fillers for improved electrical characteristics, Int.
Nelson, Ed., Springer Science, 2010, p. 30
Xiaohong, Study on brekdown and paitial discharge of polyethylene/montmorillonite nanocomposites, International Symposium on Electrical Insulating Materials, 2008, pp. 597-600

The test materials were melted by a 25kg vacuum medium frequency induction furnace.
If the fracture condition was same, and the dimple size was large, the plastic of materials is well.
[2] Jee-Yong Park, Yong-Soo Park: Materials Science and Engineering A Vol. 449-451 (2007), p.1131
[6] Longmei Wang: Journal of the Chinese Rare Earth Society Vol. 22(2004), p.48.
(in Chinese) [7] Liping Zhao, Jinfei Wang, Yonglin Ma and Baoping Xue: Journal of Inner Mongolia University of Science and Technology Vol. 28 (2009), p. 32 (in Chinese).

Effect of Heat Treatment on Positron Annihilation Lifetime of an Extruded Al-12.7Si-0.7Mg Alloy Yanhui Zhang1, a, Dong Wang2 , Changshu He2, Xingzhong Cao3 , Lin Zhang1,b 1Institute of Material Physics and Chemistry, Northeastern University, Shenyang 110004, China 2Key Laboratory for Anisotropy and Texture of Materials(ATM), Northeastern University, Shenyang110004, China 3 Key Laboratory of Nuclear Analysis Techniques, Institute of High Energy Physics, CAS, Beijing 100049, China ayhzhang@imp.neu.edu.cn, blinzhang@imp.neu.edu.cn Keywords: Al-Si alloy, Extrusion, Heat treatment, Positron annihilation lifetime Abstract.
At present ninety-five present of Aluminum alloy extrusion is Al-Mg-Si alloy since the Al-Mg-Si alloy have high corrosion resistence, excellent welding properties, moderate intensity, easy to squeeze into a variety of complex hollow profiles, and the Al-Mg-Si alloys can be used as lightweight materials in buildings, vehicles, ships, containers, bridge guardrail, and so forth.
During superplastic deformation the materials will produce a large number of micro-defects, such as dislocation, vacancy and micro-voids and so on.
Material and methods A DC cast of the Al–Si–Mg alloy billet with 110mm diameter was produced.
China Patent 200810137603. 0, 2010 [4] Liu Fang, Yu Fuxiao, Zhao Dazhi, Zuo Liang, Microstructure and mechanical properties of an Al–12.7Si–0.7Mg alloy processed by extrusion and heat treatment Materials, Science and Engineering A. 528 (2011) 3786-3790