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Research Progress on Carbon Nanotubes Reinforced Cement-based Materials Bao-min Wang1, Shuai Liu1,* and Yu Han2 1Institute of Building Materials, Dalian University of Technology, Dalian 116024, China 2LiaoNing Building Science Research Institute, Shenyang 110005, China *E-mail: meliushuai@163.com Keywords: Carbon nanotubes (CNTs); cement-based materials; research progress Abstract: For their remarkable properties, carbon nanotubes (CNTs) are considered as promising candidate for next generation of high performance and functional cement-based composites in 21st century.
Journal of Materials Engineering and Performance. 22 (2013) 184-189. ] Carbon nanotube (CNT) study was firstly published by Iijima in 1991.[[] S.
The microstructure of CNTs cement-based composite materials was analyzed through SEM , found that the surfaces of carbon nanotubes in composite materials were coated by cement hydration products, the structure of CNTs cement mortar was close-grained.
Smart Materials and Structures, 18 (2009) 055010. ], from university of Minnesota, studied the piezoresistive properties of CNTs cement-based composite materials.
There are a large number of scholars committed to the study of CNTs dispersity. [[] Jiang Linqin，Gao Lian．Effect of Chemical Treatment on the Dispersion Properties of Carbon Nanotubes．Journal of Inorganic Materials. 18 (2003) 1135-1138. ,[] Cwiren A, Habermehl-Cwirzen K, Penttala V.

Ultra-precision flycutting process is presented to machining microstructures on brittle materials.
These microstructures are usually manufactured with brittle materials such as glass and silicon.
But the research on brittle materials manufactured by flycutting method just began recently [6].
Vol.5595 (2004), p.92 [2] Jin T K, Choon G C and Hee K S: ETRI Journal, Vol.27 (2005), p.122 [3] Xianlong Wang, WeiJiang and Li Wang: Journal of Lightwave Technology, Vol.26 (2008), p.42 [4] Takenori Ono and Takashi Matsumura: Journal of materials processing technology.
Liang: Journal of materials processing technology.

A NOVEL FORMING PROCESS OF COPPER CLADDING ALUMINUM COMPOSITE MATERIALS WITH CORE-FILLING CONTINUOUS CASTING Jianxin XIE 1, a , Chunjing WU1, b , Xuefeng LIU1, c and Xinhua LIU 1, d 1 School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China a email: jxxie@mater.ustb.edu.cn, b email: cjwu@mater.ustb.edu.cn, cemail: xuefeng.liu@263.net, d email: liuxinhua18@sina.com Keywords: core-filling continuous casting, bimetal composite materials, copper cladding aluminum, bonding interface Abstract.
To simplify forming process of cladding materials with high performance, such as copper cladding aluminum composite materials, and to improve the interface quality of cladding materials, a novel forming process called Core-Filling continuous Casting (CFC) for bimetal composite materials is proposed.
Park: Materials Science & Technology A Vol. 384 (2004), p. 70 [7] J.C.
Hung: Journal of Materials Processing Technology Vol. 104 (2000), p. 226 [8] H.J.
Kwonb: International Journal of Mechanical Sciences Vol. 44 (2002), p. 247 [11] C.G.

In this paper, the basic concept, function and application of intelligent materials were introduced, some key problems such as knowledge base, reasoning machine were explained, at last, the application prospect of intelligent materials were analyzed. 1 Characteristic and application of intelligent materials Intelligent materials were new materials that emerged and developed rapidly in the world.
Then this will give these materials, structure the bionic function and make them “intelligent”, this type of materials were called intelligent material.
In recent years, the development of science and technology injected new vitality to the development of the intelligent materials, science and technology workers began to process these four kinds of functions of intelligent materials respectively, and design them separately according to the need, manufactured a variety of excellent intelligent materials.
References [1]Gao Shuya, Intelligent Materials and Their Application on Some Fields, Journal of Shanxi University of Science & Technology, Vol.22 (5) (2004), p.163-166
[2] He Changcheng, Gu Zhenya, Discussion about Intelligent Materials Concept, Journal of Tian Jin Industrial University, Vol .20(5) (2001)

JOURNAL OF FUNCTIONAL MATERIALS, 2015, 46(03):3016-3022
JOURNAL OF MATERIALS ENGINEERING, 1999(12):3-5
Materials engineering, 2013(1):52-57
Composites Science and Technology, 2019
ACS applied materials & interfaces,2019

Composites Science and Technology, 2015, pp. 10-12
Journal of Functional Materials, 2011, pp. 759-761
Materials Review, 2009, pp. 507-510
Chinese Journal of Acoustics, 2009, pp. 266-270
Journal of Vibration Engineering, 2010, pp. 502-505

Such structures are relevant for use in various branches of technology, in particular aircraft construction, mechanical engineering, materials science, which require the manufacture of products with increased operational properties at minimal financial costs, as well as reducing the cost of finished products [7].
Thus, the study of the properties of powder materials using computer modelling is an urgent task of materials science.
Full-scale powder bulk materials for forming structurally inhomogeneous materials (aluminum, d = 0,15-0,2 mm, P = 25%) Fig. 1.
Heng-wei, Sintering driving force of Al2O3 powders at the initial stage of pulse electric current sintering under thermoelastic diffusion, International Journal of Mechanical and Materials Engineering. 13 (2018) 2-8
Aslantas, A review on heat treatment efficiency in metastable β titanium alloys: the role of treatment process and parameters, Journal of materials research and technology. 9 (2020), 15360-15380

With all this, the weight and importance of AM in the evolution of different fields (materials science, engineering, computer science, etc.) will be established and the trend in research work will be analyzed both quantitatively (evolution of the number of publications in each field, quantitative impact indexes of publications and qualitatively).
The second one is a magazine specialized in manufacturing technology while the following five are other journals specialized in materials.
Sources Articles Zone 1 Additive Manufacturing 1377 1 2 International journal of advanced manufacturing technology 777 1 3 Materials 766 1 4 Materials and design 541 1 5 Materials Science and Engineering A 533 1 6 Rapid Prototyping Journal 460 1 7 Metals 347 1 8 Journal of Manufacturing Processes 336 1 9 Journal of Materials Engineering and Performance 285 1 10 Polymers 261 1 11 Journal of Materials Processing Technology 252 1 12 Applied Sciences (Switzerland) 247 1 13 Journal of Alloys and Compounds 236 1 14 Materials Letters 204 1 Figure 2: Brandford Law diagram for sources.
The following most referenced journals are related to materials, having a much wider sphere of influence (more multidisciplinary).
These keywords were mainly related to the engineering and materials science field, they corroborate the hypothesis that the current literature is focused on engineering and is short on contributions related to the business field, as has been stated by some authors (e.g. [15]).

This study investigates the influences of slopes on objective friction measurements of different floor materials.
Thus, COF measurements under different slopes, floor materials and surface conditions were conducted in this study.
Especially for glycerol-contaminated floor, COF may worsen to zero no matter what the floor and shoe materials are.
Then the three tested floor materials were placed on the horizontal surfaces and ramp respectively.
Journal of Electromyography and Kinesiology, Vol. 18 (2008), p. 205-217

Materials and methods Biomaterials.
Method of processing composite materials.
Table 2 The results of single factor tests for processing composite materials No.
The ratio of composite materials.
Abdel-Aal: The Open Food Science Journal, 4(2010), p. 7-22