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Aluminum alloy metal matrix composites are a class of materials object of large and intensive research during the last years.
The new material may be preferred for many reasons: common examples include materials which are stronger, lighter, or less expensive when compared to traditional materials [1,2,6].
Progress in material science, New York, v46, n 1-2, p. 1-184, Janeiro 2001
Development of aluminium based silicon carbide particulate metal matrix composite, Journal of Minerals & Materials Characterization & Engineering, vol 8, n 6, (2009) 455-467
[6] MATHEWS F.L.; RAWLINGS R.D., Composite Materials: Engineering and Science, Chapman e Hall 15th edition p 3-8 1984

“Selection of equipment for machining processing of parts using NX and TEAMCENTER programs”, Paper presented at the IOP Conference Series: Materials Science and Engineering, 2016, 134(1) doi:10.1088/1757-899X/134/1/012041 [9] E.
(2020) IOP Conference Series: Materials Science and Engineering, 2020, 969(1), 012069 DOI:10.1088/1757-899X/969/1/012069 [18] Pankratov, D.L., Gavariev, R.V.
“To the question of automation of the injection molding process”, IOP Conference Series: Materials Science and Engineering, 2020, 915(1), 012043 doi:10.1088/1757-899X/915/1/012043 [19] Gavariev, R.V., Gavarieva, K.N., Soldatkina, E.N.
“Features of design of chill molds for casting of non-ferrous metal”. (2020) IOP Conference Series: Materials Science and Engineering, 2020, 969(1), 012068 doi:10.1088/1757-899X/969/1/012068 [20] G.
IOP Conference Series: Materials Science and Engineering, 2020, 969(1), 012021DOI: 10.1088/1757-899X/969/1/012021 [24] I.A.

Experimental Chemicals and Materials.
Jia, H Ji, Y Zhang: Journal of Hazardous Materials, Vol. 276, (2014) p.262 [4] J.N.
Kittilstved: Journal of Materials Chemistry C, Vol. 3, (2015) No. 17, p.4352 [11] S.
Dutta: Journal of Hazardous Materials, Vol.112, (2004) No. 3, p.269 [12] C.
Journal of Hazardous Materials, Vol. 169, (2009) No. 1, p.546 [21] G.Z.

Thus, nano-materials has been gained constant and increasing attention.
Materials and methods Materials.
Nano-materials used in this study were nano-CaCO3 and nano-SiO2.
But the slump of C50 concrete with nano-materials decreased a little more then that of C30 concrete with nano-materials, compared to that of plain concrete.
The reasons may be as follows: The lower water/binder ratio and the larger dosage of nano-materials of C50 concrete means more water was needed to package the surface of nano-materials [2].

Materials Science and Technology, Jul/Aug, Vol. 16 (2000), pp. 753
Progress in Materials Science, Vol. 46 (2001), pp. 1
-G.Li, Materials Science and Engineering A Vols. 192/193 (1995), pp. 612
Gupta, Materials Science and Engineering A Vol. 304-306 (2001), pp. 442
Lee, Materials Letters Vol. 54 (2002), pp. 1

In recent years, an increasing number of scholars propose diffusion wear on tool surface in machining of certain materials.
It is well known that there are two primary mechanisms for atoms diffusing in homogeneous solid solution based on materials science theory, including vacancy diffusion and interstitial diffusion.
For purpose of further understanding the diffusion discipline of carbon atoms from diamond tool to ferric materials, a diffusion model in based on theory of material science would be established.
Ohmori, Micro cutting of ferrous materials using diamond tool under ionized coolant with carbon particles, Annals of CIRP. 60 (2011) 97-100
Bulent, The interface morphology of diffusion bonded dissimilar stainless steel and medium carbon steel couples, Journal of Materials Processing Technology. 190 (2007) 138-141.

Materials and synthesis methods Since higher surface area contributes better performance of materials, the synthesis of smaller size of the by-products-free nickel nanoparticles was the main objective of this study.
Preuhs, Materials Science and Engineering A, 329-331 (2002) 596-601
Goto, Materials Science and Engineering A, 223 (1997) 21-28
Li, Materials letters, 60 (2006) 2227-2231
Fischer, Chemistry of Materials, 19 (2007) 5721-5733

The kAl-Co is highest because the nature of solid materials must give thermal conductivity greater than porous materials [25, 26].
Matsumura: Journal of Thermal Science and Technology, Vol. 10 (2015), p. 1
Marek: Chemical Engineering Science, Vol. 27 (1972), p.1845
Peumsuwan: Naresuan University Science Journal, Vol. 9 (2012), p. 57 (in Thai)
Krittacom: Applied Mechanics and Materials, Main Theme: Materials Engineering and Automatic Control III, Vol. 575 (2014), p. 41

In molds assembly, materials and parts are too heavy to be transported by human.
The robot transports the materials and parts between different workstation.
The directed arcs in Fig.1 represent materials transporting between workstations.
The velocity of robot traveling without carrying materials is 1.
The velocity of robot traveling with carrying materials is 0.5.

Because the composting materials in the form of polymer are very rich, all kinds of microorganism secretion of extracellular enzyme are also varied.
Materials and methods The sludge samples in this experiment were all taken from Zhengzhou Bagang sludge disposal plant, there the sewage sludge was treated with the high temperature and solid state aerobic tank type (double throw and aerobic composting) process.
[2] Hua G, Qingjun Q, and Jie G, Journal of Northwest Agriculture and Forestry Science and Technology University (natural science edition), 2008(2): 222—228
Journal of Qiqihar Teachers College, 2009(3): 125—127
Journal of Ecological Environment, 2009, 18(5): 1976—1979