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Experimental study on preparing ecological building mortar by using solid waste ChaoYong Yan1,a, ZhiHua Li2,b and XiaoMin Deng3,c 1Hubei University of Arts and Science; No.296 Longzhong Road, Xiangyang Hubei,P.R.China 2Xingtai Xingheng Highway Management Bureau, Xingtai Hebei, 054000, P.R.China 3China National Building Materials Group Corporation; No.2 Zizhuyuan South Road, Haidian District,Beijing P.R.China aemail: ycy5605@yahoo.com.cn, bemail: 750190416@qq.com, cemail:dengxm864@163.com Corresponding author：XiaoMin Deng; Research direction: the new building materials.
Introduction Building mortar is widely used in masonry, plastering, repair, grouting and sticking decorative materials engineering, and is a large amount of the building materials in construction, the main materials for preparation of building mortar are cement and sand.
TEST Raw materials
(1)Preparation of eco-cement: slag powder and fly ash are used as the basic materials, and lime, gypsum and compound activator are added to prepare the clinker-free, waste-slag eco-cement
Journal of Wuhan University of Technology, v31 (7), 15-18

Chen, Montmorillonite-supported magnetite nanoparticles for the removal of hexavalent chromium [Cr (VI)] from aqueous solutions, Journal of Hazardous Materials 166 (2009) 821–829
Liang, Polyacrylonitrile/ferrous chloride composite porous nanofibers and their strong Cr-removal performance, Journal of Materials Chemistry 21 (2011) 991–997
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Liu, Adsorption and magnetic removal of neutral red dye from aqueous solution using Fe3O4 hollow nanospheres, Journal of Hazardous Materials 181 (2010) 1039–1050
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Experiments Raw materials Raw materials such as anthracite fine, petroleum coke powders and charcoal powders were provided by a factory of Yunnan Province, and the chemical position is shown in Table 1.
Journal of Wuhan University of Technology (Materials Science Edition), 2014, (1):75-81 [5] Mingyi ZHENG, Kun Wu, Congkai YAO.
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Journal of Materials Processing Technology, 2010, 210(6): 961-968

The comparison of common and hybrid components shows the benefit of the combination of different materials.
In the course of this, elastic bendable and non-bendable materials are combined for customizable stiffness and damping properties The design of complex textile materials and technologies plus the transfer into products is the subject of the research.
Outlook In this study, the complex manufacturing process of different materials was examined.
International Journal of Automotive Technology 17 (2016) pp. 1013−1022
International Journal of Precision Engineering, 17 (2016) pp. 479−485

Therefore, only the viscoelastic materials lying between these two materials can store energy and dissipate energy as well.
Adding several kinds of functional materials with electrothermal function to concrete materials, the intelligentized concrete with the electrothermal function can be made, which can be used to get warm, deicing, snow melting, etc..
Conclusion With the rapid development of information science, life science and system science, the problems of the intellectualization of engineering materials have drawn peolple’s extensive attention.
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He made use of the elastic energy and chemical to remove materials [2].
In the current study, the author conducted the electrochemical finishing with four types of completely inserting electrode for several die materials after thread cutting.
The materials of workpiece are AISI H13 (SKD61), AISI D2 (SKD11), AISI P21 (NAK80), and AISI 4340 (SNCM439).
Pa: Electropolishing of Cylindrical Workpiece of Tool Materials Using Disc-Form Electrodes (Journal Materials Processing Technology, Vol.142, 2003), pp.203-212
Hocheng: Using Borer-Shape Electrode in Electrochemical Smoothing of Holes (Materials Science Forum, Vol.505-507, 2006), pp.793-798

Some materials explored for nanocellulose production include cornhusk [4], rice straws [5], fruit fibers [6], sugarcane bagasse [7], and many other plant materials Coconut husk is an abundant lignocellulosic byproduct of the coconut industry, especially in wet tropical areas including the Philippines [8].
Experimental Materials Matured coconut husk was acquired from Taal, Batangas, Philippines.
Abd Wahab: submitted to Journal of King Saud University-Engineering Sciences (2021), in press
Widjaja: IOP Conference Series: Materials Science and Engineering Vol 306 (2018), p. 012046
Rana: Journal of Applied Polymer Science Vol. 85 (2002), p. 2594-2599

Introduction The study of laser processing of materials is becoming increasingly closely linked with all fields of science and technology, without exception.
An important factor in the formation of new material properties is both the processing conditions and the basic state of the processed materials [1].
The nanopowders obtained by laser dispersion are widely used for the preparation of highly transparent ceramic materials, including magnetically active ceramics, materials used as active elements of solid-state lasers [8].
The obtained powder materials can be used in various fields of science and technology, in particular, in the additive technology industry.
Yang, Laser ablation in liquids: Applications in the synthesis of nanocrystals, Progress in Materials Science. 52 (2007)

Integrity of structural components depends on the deformation and fracture behavior of materials.
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ASTM E 8-95a, Standard Test Method for Tension Testing of Metallic Materials, Annual Book of ASTM Standard(1995) pp. 56. 10.
ASTM E 399-90, Standard Test Method for Plane-Strain Fracture Toughness of Metallic Materials, Annual Book of ASTM Standard(1995) pp. 412. 11.
Hollman, Journal of Applied Physics, 83(1998) pp. 4584.

Supported by the China National Natural Science Foundation (No.50875207 and No.11072191) FEM Simulation Material Model.
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Standard test method for plane strain fracture toughness of metallic materials, Annual book of ASTM Standards, Vol. 03.01, ASTM International, 2002 [8] ABAQUS/Standard User’s Manual.
Nuclear Science and Technology, 2005, 42(2), 225-232 [11] Q.J.Peng, J.Kwon, T.Shoji.
Journal of Nuclear Materials, 2004, 324(1), 52-61