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The Analysis of the Interface States of Low-density Materials in the Forming Process Qiaoli Wang1, a, Yudong Zheng1, b*, Xin Liang2, c, Ying Ling2, d, Kun Qiao1, e, Yonglin Kang1, f, Guoming Zhu1, g 1School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China 2Institute of Aerospace Materials and Technology Beijing, Beijing, China awangqiaoli@163.com, bzhengyudong@mater.ustb.edu.cn, cliangxbj@163.com, dkuangslian@vip.sina.com, e12208374@qq.com, fkangylin@mater.ustb.edu.cn *Corresponding author.
The interface of two low-density materials is bent in the forming process, which decreases the performance of materials.
The decay rates of frictional force of these two materials are △fa, △fb .
Adam: Journal of Materials Processing Technology Vol. 107(2000), p. 267 [7] A.
Ebrahimi: Materials and Design Vol. 31(2010), p. 493

Thus, the durability of sensible materials is about 20 years compared with PCM, which constitute a quarter of their service life and thermochemical materials [13].
Kannan., Recent developments in phase change materials for energy storage applications: A review., International Journal of Heat and Mass Transfer, 129 (2019) 491–523
Mahlia., Preparation of beeswax/multi-walled carbon nanotubes as novel shapestable nanocomposite phase-change material for thermal energy storage., Journal of Energy Storage, 21 (2019) 32–39
Experimental investigation on copper foam/hydrated salt composite phase change material for thermal energy storage., International Journal of Heat and Mass Transfer, 115 (2017) 148–157
Pielichowski., Phase change materials for thermal energy storage., Progress in Materials Science, 65 (2014) 67–123

Zhang: Materials Science Forum Vol. 723 (2013), p. 258 [11] Y.
Jiang: Materials Science Forum Vol. 628-629 (2009), p. 465 [14] Y.H.
Journal of Refractory Metals and Hard Materials Vol. 28 (2010), p. 330 [16] A.
Medri and S.Guicciardi: Applied Physics A-Materials Science and Processing Vol. 81 (2005), p. 1045 [17] S.
Zhang: Materials Science Forum Vol. 697-698 (2012), p. 142 [19] G.M.

Based on the gradient source representation of functionally gradient materials Qiang Li1,2, a , Mingqing Wu1,b 1Shandong Transport Vocational College, Shandong Weifang, 261206, China; 2School of Transportation Science and Engineering, Beihang University, Beijing, 100191, China; aljzylq@126.com; bwmq1977@qq.com  Keywords: functionally gradient material (FGM), grading source,function image Abstract.
Therefore, in the course of modeling, functional gradient materials are generally a one-dimensional entity model.
The information mathematical description of functionally gradient materials The material composition array: Define an array of for functionally gradient materials entity within the material composition of each.
References [1] CHENG Xiao-nong,DAI Qi-xun,ZHAO Yu-tao.et a1．Developmem of materials calculation design.journal of Jiangsu university,2003,24 (1): 15-18(in chinese) [2] Siu.Y K,Tan.S.T.”Source based” hererogeneous solid modeling.Computer Aided Design, 2002, 34 (1);41-55 [3] WU Xiao-jun,LIU Wei-jun,WANG Tian-ran.Heterogeneous material objects modeling for 3D CAD part.Chinese Journal of Mechanical Engineering,2004,40 (5):111-117.
(in chinese) [5] Zhou Manyuan,Xi Juntong,Yan Junqi.Modeling and processing of functionally graded materials for rapid prototyping.Jourmal of Materials Processing Thecnology,2004,146(3):396-402.

Hardening Performance and Mechanism of Fluosilicate Surface Treatment Agent on Cement-Based Materials Xiao Liu1,a *, Jianan Guan1,b, Yunsheng Zheng2,c, Ziming Wang1,d, Heqing Shen1,e and Xiaowei Ren1,f 1College of Materials Science and Engineering, Beijing University of Technology, Beijing 100124, China 2State Key Laboratory of Solid Waste Reuse for Building Materials, Beijing 100041, China aliux@bjut.edu.cn, bjiananguan@yeah.net, czhengyunsheng@outlook.com, dwangziming@bjut.edu.cn, eshenheqing11@126.com, frxwvivi@163.com Keywords: Fluosilicate, Cement-based materials, Surface treatment, Hardening, Silicate.
The fluosilicate surface hardener exhibited better hardening effect than the silicate surface hardener for those matrix materials with different quality, especially for the matrix materials with low compactness.
Experimental Materials.
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Journal of Materials in Civil Engineering, 2003, 15(1): 67-74.

If the testing position is on reinforcement materials, hardness is higher than the one in which the position is on based materials.
References [1] J.W.Kaczmar, K.Pietrzak, W.Wlosinski.: Journal of Materials Processing Technology.
Wlosinski.W.: Journal of materials processing technology.
Velasco. : Journal of Materials Processing Technology.
Vol.133(2003), p. 203 [6] Lu, Yi-Zhong, Wang Bao-Shun, Cui Yan etal.: Journal of Aeronautical Materials.

Recent research on biological materials and bioartificial systems has created one of the most dynamic field at the confluence of physical sciences, molecular engineering, cell biology, materials sciences, biotechnology and (nano)medicine.
Such materials could be used as biomaterials for clinical applications, or as novel efficient energy-absorbing materials.
Coupling strategies of modeling biological, artificial and bioartificial systems at different length and time scales is of great importance in quite diverse fields of science and technology, including medicine, biology, biotechnology, tissue engineering and materials sciences.
Journal of Material Science, 2007. 42(21): p. 8864-8872
Nature Materials, 2009. 8(3): p. 175-188

However due to the complexity of interaction mechanism of electromagnetic field and composite materials, applying microwave ovens on an industrial level requires comprehensive experimental and numerical investigation to determine and predict the materials behavior during the curing process.
Eq.1 shows the amount of power (P [W/m³]) absorbed by materials interacted with electromagnetic field.
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K., Datta, S., & Basu, D., Bulletin of materials science, 31 (7) (2008) 943-956

Meng: Metallic Functional Materials, Vol. 17 (2010) No.1, p.31.
Li: Journal of Henan Normal University (Natural Science Edition), Vol. 40 (2012) No.2, p.86.
Du: Materials Review, Vol.23 (2009) No.12, p.92.
Zhang: Journal of Central South University (Science and Technology), Vol.41 (2010) No.5, p.1668.
Peng: Journal of Central South University (Science and Technology), Vol.38 (2007) No.6, p.1106.

Materials Science and Engineering 23 (1976) 199-205
Computational Materials Science 29 (2004) 301-308
Computational Materials Science 44 (2009) 1397-1407
Computational Materials Science 47 (2010) 951-961
Computational Materials Science 77 (2013) 387-398