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Miguel, Metallurgical and Materials Transactions A Vol. 30(1999), pp. 1913-1921 [10] C.
Martin, Materials Science and Engineering, Vol.
Lengauer, International Journal of Refractory Metals and Hard Materials Vol. 18(2000), pp. 307-322
Hadavi, Materials Science Forum, Vol. 465-466(2004), pp.427-466 [14] Sh.
Heydarzadeh Sohi, Materials Science Forum, Vol. 465-466(2004), pp. 301-306 [15] Sh.

Introduction We know ultrafine material have so many excellent function than traditional material.
Fine Materials and Fine Explosive Technology[J].
Chinese Journal of Energetic Materials.2008,16(3) :258-261.
Journal of Beijing Institute of technology(natural science edition) .2000,20(3) :385-388.
Chinese Journal of Energetic Materials.2008,16(2) :142-146.

Dorey, Materials Science in Semiconductor Processing, Vol. 5 (2003), p. 65
Muralt, Journal of Electroceramics, Vol. 12 (2004), p. 7
Persson, Materials Science and Engineering R: Reports, Vol. 56 (2007), p. 1
Pernod, Solid State Sciences, Vol. 5 (2003), p. 1499
Whatmore, Journal of Electroceramics, Vol. 19 (2007), p. 295.

Fariae Center of Science and Materials Technology, Nuclear and Energy Research Institute (IPEN-CNEN/SP), São Paulo, SP, Brazil adaniel.vsilva96@gmail.com, bgabrielsgaldino@gmail.com, cbluzinete22@gmail.com, dcasini.julio@gmail.com, erfaria@ipen.br Keywords: supercapacitors, specific capacitance, equivalent series resistance, energy storage.
Beside active research activities in developing high surface area electrodes and high efficient electrolytes, there has also been growing research activities in developing supercapacitor separators; covering materials such as polypropylene, eggshell membrane, polyvinyl alcohol (PVA), filter paper and Teflon ring [3-5].
George et al.: International Journal of Research in Engineering and Technology Vol. 5 (13), (2016), p. 1
Karandikar: International Journal for Research in Applied Science & Engineering Technology Vol. 4 (2) (2016), p. 214
Obreja: Supercapacitors Specialities - Materials Review, AIP Conference Proceedings 1597. (2014), p. 98

Introduction Equipment research and development is a creative exploration process, involving many new technologies, new processes, new materials, some of the technique and technology itself is still in the stage of research and development process, so that the whole development process have great uncertainty, which must be within the lead time on all kinds of risk control and scientific management.
Journal of Shanghai Jiaotong University,2008,42(1):1851-1854
JOURNAL OF TONGJI UNIVERSITY (NATURAL SCIENCE), 2009, 37(8) :1089-1095
[6] Markowitz H．Portfolio selection．Journal of Finance，1952，7：71-91
[11] XIANG Pengcheng，ZHAO Yanling，WANG Lin．Multi-dimensional description and measurement of project risk．Journal of Chongqing University: Natural Science Edition，2007，30( 4) : 148-152

Journal of Hunan University (Natural Sciences). 2010, 37 (7):7-11
Journal of Chongqing Jiaotong University (Nature Science). 2011, 30 (4):755-758
Journal of Chang’an University (Natural Science Edition .2010, 30 (3):37-40
Shanxi science & technology of communication, 2012, 01:15-17
Journal of Materials in Civil Engineering, ASCE, 2006, 18(3): 317-324

Aggregate accounted for a larger proportion of the material, is the object of cementing material cementation, its physical and mechanical properties have an important effect on the properties of similar materials.
Cement is the dominant nature of similar material, the mechanical properties of the material mechanical properties similar to a great extent, cementing materials commonly used in the main gypsum, cement, lime, calcium carbonate, kaolin, paraffin, sawdust, etc..
Journal of china university of mining & technology,1999,28(5):442-460
Journal of jiaozuo institute of technology,2000,(4)
Xi'an university of science & technology journal,2000,20(3):214-216

Introduction Grinding is a costly machining process to finish difficult-to-machine materials with great precision [1-4].
[2] Tran Thi Hong et al., “Effect of Dressing Parameters on Material Removal Rate when Surface Grinding SKD11 Tool Steel”, Materials Science Forum Vol. 1020, pp.60-67 (2021)
[4] Tran Thi Hong et al., Luu Anh Tung, “Optimizing Dressing Conditions for Minimum Flatness Tolerance when Grinding SKD11 Tool Steel, Structural and Smart Materials IV, pp. 83-90, (2021)
Mills, “A Grinding Power Model for Selection of Dressing and Grinding Conditions”, Journal of Manufacturing Science and Engineering, Vol. 121, pp.632-637, (1999)
Series: Materials Science and Engineering 542 (2019)

To obtain high strength and low density materials, spark plasma sintering (SPS) process is introduced to prepare amorphous Al-based metal foams.
Ohyanagi: Journal of Materials Science, Vol. 41 (2006), p. 763-777
Cao: Materials Science and Engineering R, Vol. 63 (2009), p. 127-287
Cao: Materials Characterization, Vol. 54 (2005), p. 394-398
Omori: Materials Science and Engineering A, Vol. 287 (2000), p. 183-188

The ratio of ball mass/materials mass was 7:1.
References [1] Xingchi Ma, Liuzheng Yue and Guoqiu He: Materials Review Vol. 24(2010), p. 89-92.
[4] Neng Peng, Yuchang Su and Fangming Xiao: Materials Research and Application Vol. 5(2011), p. 121-124.
[8] Qian Li, Lijun Jiang and Le Lin: Rare metal materials and engineering Vol. 32(2003), p. 939-941.
[10] Baolong Sun, Jing Huang and Tiecheng Jin: Journal of Anhui University of Technology(Natural Science) Vol. 29(2012), p. 25-28.