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Wang: Journal of Materials Processing Technology Vol. 129 (2002), p. 371 [3] C.M.
Sung: Diamond and Related Materials Vol. 8 (1999), p. 1540 [4] Y.H.
Lin: Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science Vol. 33 (2002), p. 2163 [7] S.M.
Lin: Journal of Materials Engineering and Performance Vol. 5 (1996), p. 761 [8] A.K.
Yu: Journal of Materials Processing Technology Vol. 139 (2003), p. 281

In addition, paper and other flammable explosive materials of garbage may cause explosion under the condition of friction and extrusion.
The unsafe behaviors of the people, unsafe machineries, materials and environment can be eliminated through strengthening the safety management.
Journal of catastrophology, 1997, 12(3)，P89-92
China Safety Science Journal, 2005, 15(10)，P61-65
China Safety Science Journal, 2005, 15(6)，P108-112

Rahman1,2,a,*,Khaulah Sulaiman1,b, Ahmad Shuhaimi1,c and Mohamad Rusop3,d 1Low Dimensional Materials Research Centre, Department of Physics, Faculty Of Science, University of Malaya, 50603, Kuala Lumpur, Malaysia 2Faculty of Applied Science, University of Technology MARA 40450, Shah Alam, Selangor, Malaysia. 3NANO-SciTech Centre, Institute of Science, University Of Technology MARA 40450, Shah Alam, Selangor.
Advanced Materials 20 (2008) 4061-4067
Materials Science and Engineering B104 (2003) 26-30
Materials Science and Engineering C 29 (2009) 78-84
Journal Of Organometallic Chemistry695 (2010) 2526-2531

According to the similarity principle the mechanical parameters of sandstone, rock bolts and their corresponding similar materials used in tests are shown in Table 1 and 2 when the similarity ration is designed as 10.
Table 1 Physical and mechanical parameters for rock-like materials and sandstone parameters Compressive strength σc[MPa] Tensile strengh σt[MPa] Elastic modulus E[GPa] Poission ratio ν Toughness KIC[MPa·m0.5] Unit weight ρ[g·cm-3] Rock-like material 35.54 2.82 17.92 0.192 0.512 2.3 Sandstone 20～170 4～25 4.9～78.5 0.02-0.2 0.22～2.26 2.1 Table 2 Mechanical parameters for rock bolt and rockbolt-like material parameters Tensile strengh σt[MPa] Elastic modulus E[GPa] Rockbolt-like material 50-60 20-22 Rockbolt 500-600 200-220 A new rubber powder modified cement mortar is made to satisfy the similarity principle.
Its mechanical properties depend on the materials and manufacture techniques for the glass fiber reinforce plastic.
Liu, Chinese Journal of Geotechnical engineering, Vol.10(1988), p. 8-19 [7] Z.H.Zou, Z.L.Wang, Chinese Journal of Geotechnical Engineering, Vol. 15(1993), p.71-79 [8] J.H.
Zhang, Chinese Journal of Geotechnical Engineering, Vol. 28(2006), p.29-32

It is mainly used in research on the dynamic mechanical behavior of high molecular materials and metallic materials and applies well in damping capacity test of metallic materials [10].
At present, it is mainly used for measuring the relationships between damping and temperature, and damping and strain of the high molecular materials and metallic materials.
This method applies to testing materials with a fixed damping value.
[13] HU Xiaoshi, ZHANG Yongkun, ZHENG Mingyi:Journal of Functional Material. vol. 35(2004), pp. 2 199-2 201
[17] TIAN Tie, MI Lin: Journal of Chongqing Institute of Technology(Natural Science). vol. 22(2008), pp. 49-51,126.

Therefore, two different materials with different material models have been implemented.
O´Reilly: Factors affecting the machinability of an Al/SiC metal-matrix composite, in: Journal of Materials Processing Technology, Vol. 43 (1994), pp. 21-36 [2] P.
O’Reilly: The drilling of an Al/SiC metal-matrix composite, in: Journal of Materials Science, Vol. 33/1 (1992), pp. 469-480 [8] G.
Kao: Drilling of (Al2O3)p/6061 metal matrix composites, in: Journal of Materials Processing Technology, Vol. 124/3 (2002), pp. 244-254 [11] X.
Bammann: Machining simulation of ductile iron and its constituents - Part I: estimation of material model parameters and their validation, in: Journal of Manufacturing Science and Engineering, Vol. 125 (2003), pp. 181–191 [16] M.

Several researches have been studied to find suitable solvents for their raw materials.
Some research tried to produce fiber form chitosan by solvent mixing and blending with other materials [29, 34].
Experimentals 2.1 Materials The experiments were conducted using 3 types of polymer : silk, gelatin, and chitosan.
Morsi, Chitosan based nanofibers, review, Materials Science and Engineering: C, 32 (2012) 1711-1726
Wang, Preparation of fluoride-containing gelatin nanofiber scaffold, Materials Letters, 65 (2011) 2404-2406

Materials such as wood, metal etc.
All solid materials could deform when subjected to external force.
Materials Science and Engineering: C, 2017. 76: p. 406-416
Australian Journal of Basic and Applied Sciences, 2011: p. 201-206
Global Journal of Pure and Applied Mathematics.

Fig. 4: Flexural strength vs second filler materials contents Fig. 5: Bulk density vs second filler materials contents Fig. 5 showed the effect of second filler content in the composite bipolar plate.
Muchtar, The Effects of Thickness Reduction and Particle Sizes on The Properties Graphite – Polypropylene Composite, International Journal of Mechanical and Materials Engineering (IJMME), Vol.6 (2011), No.2, 194-200
Antunes, Materials Selection for Bipolar Plate for Polymer Electrolyte Membrane Fuel Cells Using the Ashby Approach, Journal of Power Sources (2012), in press
Aggarwal, Effect Of Different Carbon Fillers On The Properties Of Graphite Composite Bipolar Plate, Journal Of Materials Processing Technology,203,2008
Antunes, Mara C.L. de Oliveira, Gerhard Ett, VolkmarEtt, Carbon Materials in Composite Bipolar Plates for Polymer Electrolyte Membrane Fuel Cells: A Review Of The Main Challenges To Improve Electrical Performance, Journal Of Power Sources 196, 2011.

Progress in Materials Science, 46, 2001
Journal of Materials Science, 27(4):983–989, 1992
Journal of Nuclear Materials, 179:445–448, 1991
Journal of Materials Science, 30(11):2936–2943, 1995
Journal of Nuclear Materials, 472:186–195, 2016