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As a branch of IPN.gradient IPN is heterogeneous composite materials in which the materials property varies gradually from one interface to other[2].
Component distribution model Traditional gradient IPN can be considered as multiple layers composite material, Its gradient componet is rubber materials and matrix component is plastic materials.
Experimental materials and preparation method refered to reference[5].
Gradient interpenetrating polymer networks [J] Journal of Materials Science , 1995, 30：2475-2484
[4] Karabanova L V, Mikhalovsky S V．Gradient Semi-interpenetrating Polymer Networks based on polyurethane and poly(vinyl pyrrolidone) [J]．Journal of Materials Chemistry, 2005, 15：499-507

There are still many shortcomings for improvement, such as wheel loading, wheel wear, low material removal rate and so on[3], many scholars dedicated to the optimization and improvement of grinding process and new grinding process has been introduced into the brittle material machining.
Acknowledgements This work was financially supported by the Project of Shandong Province Higher Educational Science and Technology Program (J13LN68).
Journal of Non-Crystalline Solids.
Experimental study on ultrasonic grinding of hard and brittle material.
Journal of Liaoning Technical University(Natural Science), Vol.29 (2010), p. 287–289

Superhydrophobic surfaces can be achieved by a combination of low surface energy materials, and surface micro and nanostructures.
However, most of the chemicals materials used for hydrophobisation are nonbiodegradable, expensive and potentially harmful to human health and the environment which limits their potential applications [10].
-L Su, Journal of Colloid and Interface Science 353 (2010), p. 335
Schollmeyer, Journal of Adhesion Science and Technology 22 (2008), p.285
Megaridis, Applied materials and letters, 2 (2010), p.1114

Introduction As a new structural materials with low density, high specific strength and fracture toughness and strong ability of anti-fatigue failure superior overall performance, titanium alloy is mainly used in the manufacture of aerospace and other key areas of components.
Effect of surface treatments on the fatigue life of titanium for biomedical applications[J].Journal of the Mechanical Behavior of Biomedical Materials, 2003,3(6):416-424
Investigation of laser shock peening effects on residual stress state and fatigue performance of titanium alloys[J].Materials Science and Engineering,A,2012,536:82-91
Laser shock peening of Ti-17 titanium alloy: influence of process parameters[J].Materials Science and Engineering, A ,2012,532:362-372
Coupled thermo-mechanical model and numerical simulation of pre-Stress hard cutting [J].Journal of South China University of Technology,2008,36(4):18-22

Effects of Heat Treatment on Mechanical Properties of Ni-P-CNT Composite Coating Qin Shi a, Wanchang Sun b*, Jun Gao, Ying Wang and Miaomiao Tian College of Materials Science and Engineering, Xi’an University of Science and Technology, Xi’an, Shaanxi 710054, China aFairy-sq@163.com, b*sunwanchang@tsinghua.org.cn Keywords: Ni-P-CNT composite coating, Heat treatment, Microhardness, Friction and wear properties.
Materials Protection, 43(2010)11
Nano-materials and Nano-structure-New Progress in National Key Basic Research Projects.
Journal of Heilongjiang Institute of Science＆Technology, 20(2010):1-6
Materials Research Bulletin Vol. 40(2005):1000-1009

Introduction The development trend of cast rollers is the application of the compound roller, which is made of two metal materials with different properties.
The characteristics of compound rollers are as follows: the surface layer is made of wear resistant materials, while the core is ductile materials, which make the compound rollers have both good strength and toughness.
International Journal of Mechanical Sciences, 2001, 43: 1243-1257 [4] Sergey V. shepel, Samuel Paolucci.
Journal of Materials Processing Technology, 2005, 168: 10-15 [6] Lei Zhang, Houfa Shen, Yiming Rong, Tianyou Huang.
Materials Science and Engineering A, 2007, 466: 71-78

According to polymer physical sciences, polymer molecular weight and molecular weight distribution are the internal factors which impact the molecular structure and properties of the material.
Contact angle is used to characterize the wetting degree of solid materials with water.
Advanced Materials Research, Vol. 12(2000), p. 1841 [3] F Pavia, C La, V Brucato.
Advanced Materials Research, Vol. 2011 (2011), p. 1741 [7] M Viljanmaa, R Mattila, et al.
Journal of Materials Science: Materials in Medicine, Vol. 11(2000), p.393

Lai: Journal of Mech Theory,Vol.40(2005) No.1.p.55
LI: Journal of Chinese Science E Series: Science and Technology.
,University of Science and Technology of China 2008),p.28 [7] L.B.
MA: Journal of Computer Research & Development.
LI: Journal of Machine Design.

Materials and Methods Experimental materials Crystalline aluminum chloride (solid, analytical pure); sodium hydroxide (solid, analytical pure); hydrochloric acid (liquid, analytical pure); aluminum hydroxide (solid, analytical pure); Al (aluminum scraps, analytical pure); calcium aluminate, industrial solid powder, of which, the mass fraction of Al2O3 was 55% and that of CaO was 30% for adjusting basicity of industrial products of PAC.
Geus:Journal of Colloid and Interface Science, Vol. 285(2005), p.86 [3] H.Li,T.
D.Sheng: Journal of Environmental Sciences, Vol. 18(2006), p.872(in Chinese) [4] H.X.Tang.
China Environmental Science, Vol. 23(2003), p.657(in Chinese) [7] X.A.Ning,R.S.Li and Y.M.Wen: Environmental Chemistry, Vol. 25(2006), p.739(in Chinese) [8] X.A.Ning,R.S.Li and Y.M.Wen: Environmental Chemistry, Vol. 26(2007), p.352(in Chinese) [9] B.Y.Gao,Q.Y.Yue and Z.S.Wang.
Journal of Shandong University, Vol. 37(2002), p.334(in Chinese) [11] C.L.Zhao,Z.R.Liu and G.P.Ma:Acta Scientiae Circumstantiae, Vol. 17(1997), p.154(in Chinese)

Among all of these p-type semiconductors, the role of the wide gap emitter material plays CuSCN of p type, having a band gap of 3.6 eV and has been used in extremely thin absorber solar cells (ETAs) as a p-type hole conducting material[4-7].
Acknowledgment The work is financially supported by the Natural Science Foundation of ChangZhou Institute of Technology (YN1105), the Science and Technique Foundation of ChangZhou (CJ20120001), Natural Science Reserarch Project of University in Jiangsu Province (12KJD510001) and National Natural Science Foundation of China (11247323).
Luminescent properties of ZnO thin films grown epitaxially on Si substrate, Journal of Crystal Growth. 214/215( 2000)294-298
Journal of Applied Physics. 105(2009)114504 [14] Iwata K., Fons P., Niki S., et al.
ZnO growth on Si by radical source MBE, Journal of Crystal Growth. 214/215(2000)50-54.