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Those elastic materials cause non-linear stiffness and friction in dynamics.
Therefore, just materials properties of hydraulic oil and seals are mathematically modeled.
In many domestic applications, hydraulic fluids are treated as incompressible materials.
It shows that properties of fluid materials effect obviously on system dynamics.
[4] Van-Thuan Truong: Journal of Science and Technology Technical Universities Vol. 130 (2018), p. 39-43

Research on Scandium Recovery and Extraction Process Guoyin Xu1,3,a, Dianwen Liu1,3,b*(Corresponding Author) , Purong Wang1,3,c ,Bingliang Xu2,3,d and Wenjuan Zhao1,3, e 1Faculty of Land Resource Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650093, China 2Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 650093, China 3Engineering Research Center of the Ministry of Education for Highly Efficient Utilization of Predominant Mineral Resources in China’s Western Region, Kunming 650093, China aanyangxaf@sohu.com,bldwkmust@126.com,ckeshiwoni@163.com,dxblkmust@hotmail.com, e813442522@qq.com Keywords: materials containing scandium；recovery；extraction；scandium Abstract.
The present situation of research on rare element sc[J].Materials Review,2006,20（F05）:379-381
Chinese Journal of Rare Metals,1991,14(4):330-332
Chinese Journal of Analytical Chemistry, 2000,28(6):787-791
Journal of Chemical Technology and Biotechnology, 2011,86(10): 1237.  

In the recent years, materials science has gained huge importance in the field of composites.
Materials Science
Series: Materials Science and Engineering357(2018)012057 [9] K S Raghu Ram, Sharon Rose SweanneyBandi and Ch.
Series: Material Science and Engineering, 149(2016) 012114 [14] Ralph, Brian, H C Yuen, W B Lee, The Processing of Metal Matrix Composites – An Overview, Journal of Materials Proceesing and Technology, 63, 1-3(1997), 339-353
Journal of Minerals and Materials Characterization and Engineering 9, no. 01 (2010): 57.

[4] Chen, Z., and Fang, H.E., “A Study on the Link between Coupled Plasticity/Damage and Decohesion for Multi-Scale Modeling,” Journal of Mechanical Engineering Science – Proceedings of the Institution of Mechanical Engineers Part C, Vol. 215, pp. 259-263, 2001
[7] Chen, Z., and Schreyer, H.L., Formulation and Computational Aspects of Plasticity and Damage Models with Application to Quasi-Brittle Materials, SAND95-0329, Sandia National Laboratories, USA. 1995
-J., “Modeling Material Failure as a Strong Discontinuity with the Material Point Method,” Mechanics of Quasi-Brittle Materials and Structures: A Volume in Honor of Professor Zdenek P.
Pijaudier-Cabot, et al., Hermes Science Publications, Paris, pp. 307-329, 1999
[12] Yang, P., Gan, Y., Zhang, X., Chen, Z., Qi, W., and Liu, P., “Improved Decohesion Modeling with the Material Point Method for Simulating Crack Evolution,” International Journal of Fracture, Vol. 186, pp. 177-184, 2014.

Illustration of Airbus A380 showing the components made from composite materials [8].
Okabe, "Smart composite sandwich structures for future aerospace application - Damage detection and suppression-: A review.," Journal of Solid Mechanics and Materials Engineering, vol. 1, pp. 3-17, 2007 2007
Ibrahim, "Application of Optical Fiber Bragg Grating Sensor for Structure Monitoring," Materials Science Forum, vol. 517, pp. 202-206, 2006 2006
Takeda, "Real-time detection of Debonding between honeycomb core and facesheet using a small-diameter FBG sensor embedded in adhesive layer," Journal of Sandwich Structures and Materials, vol. 9, pp. 9-33, 2007
Doyle, "Damage assessment of CFRP composite using a time-frequency approach," Journal of Intelligent Material Systems and Structures, 9 January 2012 2012

A HISTORY OF THE FRACTOGRAPHY OF BRITTLE MATERIALS George D.
Quinn Ceramics Division, National Institute of Standards and Technology, Gaithersburg, MD 29899, USA george.quinn@nist.gov Keywords: Brittle Materials, Ceramics, Failure Analysis, Fractography, Fracture, Glasses, History, Microscopy Abstract: The evolution of the science of fractography of brittle materials initially was driven by failure analysis problems.
While the fractographers were documenting their findings, there were some important developments in materials science and mechanics fields.
One of the most influential brittle materials fractographers, Prof.
Freiman, American Society for Testing and Materials, Philadelphia, PA, 1979

, dsitifatimahabdkarim93@gmail.com, enorhakimin@umk.edu.my, fanamt@umk.edu.my gmazlan.m@umk.edu.my, hzulhisyam.a@umk.edu.my and inoraina.adam@riken.jp Keywords: Radon sentinel 1030, α particles, Building materials, Health implications Abstract.
In addition, materials and ventilation of the building also contributes to the migration of 222Rn into indoor air (Pavia et al. 2003) [3].
Materials and Method Experimental set-up.
Zulkepli, A Study of radon-222 levels in foamed light concrete, Australian Journal of Basic and Applied Sciences, 7 (2013) 315-318
Hussin, Potential of fabricated light foamed concrete in reducing radon from building material, Materials Science Forum. 840 (2016) 427-431

Man, “Ultrasonically aided laser drilling of particle reinforced aluminium based composites”, Materials science and technology, vol. 14 (1998), pp. 9-10
Kudla, “Influence of feed motion features on small holes drilling process," Journal of Materials Processing Technology”, vol. 109 (2001), pp. 236-241
Krishnana and N.Ramakrishnanb,“ An empirical study on the generation of an edge radius in abrasive jet external deburring (AJED) ”, Journal of Materials Processing Technology, Vol99 (2000) pp. 49-53
Junkar, “ Miniaturization of injection abrasive water jet machining process ”, Journal of Mechanical Engineering Science, vol. 220 (2006), pp. 1697-1705
Park ,“ Micro deburring for precision parts using magnetic abrasive finishing method ,”Journal of Materials Processing Technology, Vol.187-188 (2007), pp. 19-25.

Study on fixed abrasive lapping hard and brittle materials with brazed micro powder diamond disk Quancheng Li1, Jianyun Shen1,a, Congfu Fang1,b, and Xipeng Xu1,c 1MOE Engineering Research Center for Brittle Materials Machining, Huaqiao University, Xiamen, 361021, P.R.
China a jianyun@hqu.edu.cn, b cffang@hqu.edu.cn, c xpxu@hqu.edu.cn Keywords: Fixed abrasive lapping; Hard and brittle materials; Diamond; Brazed Abstract.
The results of the researches provided guidance for fixed abrasive lapping of hard and brittle materials with the brazed micro powder diamond disk.
Therefore, this paper studied the impact of process parameters on the surface morphology of the hard and brittle materials by silicon’s.
Journal of Vacuum Science & Technology.

At present many materials, such as ZnMn ferrite, cold-rolled silicon steel, permalloy, nanocrystalline alloy and so on have been used as ferromagnetic materials widely.
Improvement of pulse current sensor for powertransformer partial discharge monitoring [J].Journal of Electric Power Science and Technology. 2007, 22(4): 68-71 [4] Hu Xin.
Metallic Functional Materials. 1999, 6 (3): 122-127 [6] Chai Yuhua, Zhao Xuetao.
Amorphous and nanocrystalline soft magnetic materials: tailoring of magnetic properties, magnetoelastic and transport properties[M]//Handbook of Advanced Magnetic Materials.
Russian Physics Journal, 2009, 52(10): 1092-1097.