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Subsequently, the relative movement causes the cold-weld junctions to be broken and eventually led to tear off of materials from both side. 3.1.3 Fatigue wear Figure 4 shows a typical contact fatigue wear debris characterized in irregular shape, intercrossing and enrichment of fatigue micro-cracks, coarse surface appearance, large in thickness, evidence of sliding scars.
In the process of relative movement of two contact bodies, corrosive media may cause chemical or electrochemical reactions that result in materials loss.
Qiming: Wuhan traffic university journal of science and technology, Vol.12(2004),p.14 [5] D.
Xiang: Journal of naval academy of engineering, Vol.2(2005),p.32 [7] A.
Wear of Materials, edited by ASME, New York(2007) [9] Y.Qiming: Wear particle analysis－wear particle photographs and the ferrography technology.

Lin1,e 1State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083, China 2Advanced Materials Institute, Graduate School at Shenzhen, Tsinghua University, China azhouhongchan1989@126.com bliangyf@skl.ustb.edu.cn cyefeng@skl.ustb.edu.cn dtanggy@mail.tsinghua.edu.cn elinjunpin@skl.ustb.edu.cn Keywords: High-density pulsing current; Fe-6.5wt.
Schneider, Production of high silicon steel for electrical applications by thermomechanical processing, Journal of Materials Processing Technology. 143-144 (2003) 916-921
Zhang, Magnetic properties of high silicon iron sheet fabricated by direct powder rolling, Journal of Magnetism and Magnetic Materials, 281 (2004) 135-139
Zhang, W, Fang, Q, Li, The application of the electro-plastic technique in the cold-drawing of steel wires, Journal of Materials Processing Technology, 84 (1998) 268-270
Chen, Effect of heat treatment on mechanical properties of heavily cold-rolled Fe-6.5wt%Si alloy sheet, SCIENCE CHINA Technological Sciences, 53 (2010) 1008-1011.

Properties of materials will be changes by its microstructures.
Materials and Methods 42.5 ordinary Poland cement and mucky soil was selected for testes.
Cement materials are little detected between the three types of elementary parts.
Journal of Hazardous Materials, 2010(181):65～73
Construction and building materials. 2010(24):2011～2021

The integrated design of materials and structures with scale-coupled effect is established.
Chinese Journal of Theoretical and Applied Mechanics, 38(4):522-529.
Composites Science and Technology, 1999, 59: 209~220 [8] Pecullan S, Gibiansky LV, T Journal of the Mechanics and Physics of Solids, 1999, 47: 1509~1542 [9] Yan Jun.
Multiscale Analysis and Concurrent Optimization for Ultra-Light Metal Structures and Materials.
Journal of the Mechanics and Physics of Solids. 2000,48:397~428

Tested by TDCB and WTDCB, the microcapsule self-repair materials were proved effectively.
* Corresponding author The mechanism performance of the microcapsule, the shell material, and the matrix material were respectively tested and analyzed by Nano Test 600 (Micro Materials Ltd., Wrexham, UK).
Different from the shell material, the microcapsule mechanical performances were more like the matrix materials. . 1 2 3 4 5 6 7 8 9 10 11 12 0 1 2 3 4 Modules Hardness Sample No.
Vol. 71(1999), p775 [4] Brown E N : Journal of Microencapsulation.
Vol. 34 (2003), p743 [7] Mehdiabadi S.: Journal of Applied Polymer Science Vol. 6(1998), p631 [8] Sanghvi S P.: Journal of Microencapsulation.Vol. 9(1992), p21 [9] Alexandridou S.: Journal of Microencapsulation.

The creep strain rate of two materials can be expressed as a function of stress by the Norton equation: n A σε 0=&
Buck: Materials Science and Engineering Vol. 83 (1986), p. 29
Hamaguchi: Jounal of Nuclear Materials Vol. 150 (1987), p. 194
Takahashi: Journal of Testing and Evaluation Vol.15 (1) (1987), p. 30
Takahashi: Journal of Nuclear Materials Vol.150 (1987), p. 42

Methods and Materials The volume of the rinsing waters sample was 0.1 dm3.
Shilkov, Modern materials and technologies of industrial wastewater treatment.
Russian Journal of Construction Science and Technology, 2 (2018)
Series: Materials Science and Engineering, 134 (2016), 012001
Ferreira Removal of chromium from electroplating industry effluents by ion exchange resins, Journal of Hazardous Materials 144 (2007) 634–638.

Over the past two decades it has been established that composite materials are the leading emerging materials.
Also the composite materials play an important role in maintaining the eco-friendly design requirements.
In order to acquired and desired results natural materials alone do not meet requirements, but along with the composite materials challenges could be met.
Experimental Materials and Methods: Roselle fibre is taken as matrix material because of its strength and impact properties and it is used in the short form of fibre in the range of 2 to 4 mm.
Gaitonde, (2012), “Mechanical and physical characterization of agricultural waste reinforced polymer composites”, Journal of material environmental science, Vol. 3, pp 907-916 [13] Vijay Kumar Thakur and Amar Singh Singha, (2010), “Physio-chemical and mechanical characterization of natural fibre reinforced polymer composites”, Iranian Polymer journal, Vol. 19, pp 3-16

Titanium Dioxide, TiO2 is one of the potential semiconductor materials.
Nanoelectronics and Materials. 3 (2010) 99-111.
Abdullah, Titanium Dioxide Thin Films: Effect of Annealed in Oxygen ambient, Advanced Materials Research. 364 (2012) pp 12-15.
Scurrell, Polymer stabilized silver nanoparticles: A photochemical synthesis route, Journal of materials science. 39 (2004) 4459-4463.
Z Ding, A Raman Scattering Study of PbTiO3 and TiO2 Obtained by Sol-Gel, Journal of Sol-Gel Science And Technology. 13(1998) 849–853.

A meso-damage model is proposed, which include the damage law under complex stress state for brittle materials, and the damage evolution based on stiffness degradation.
With the same idea, Chen Y Q(2002) simulated the fracture course of 3-D sample of brittle materials.
For the brittle materials of rock like, the damage mechanism of tension strain is appropriate, namely the meso-MSS is tensile fractured.
International Journal of Rock Mechanics & Mining Sciences,2006,(43)905~919 [2]Tang C A，Kaiser P K.
Elastoplastic model of damaged rock based on the strength theory.Journal of University of Science and Technology Beijing,2008,30(5):1~6 [6]Qian M G, Miao X X, Xu J L.