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, dsitifatimahabdkarim93@gmail.com, enorhakimin@umk.edu.my, fanamt@umk.edu.my gmazlan.m@umk.edu.my, hzulhisyam.a@umk.edu.my and inoraina.adam@riken.jp Keywords: Radon sentinel 1030, α particles, Building materials, Health implications Abstract.
In addition, materials and ventilation of the building also contributes to the migration of 222Rn into indoor air (Pavia et al. 2003) [3].
Materials and Method Experimental set-up.
Zulkepli, A Study of radon-222 levels in foamed light concrete, Australian Journal of Basic and Applied Sciences, 7 (2013) 315-318
Hussin, Potential of fabricated light foamed concrete in reducing radon from building material, Materials Science Forum. 840 (2016) 427-431

Material Surface Reconstruction Based on Light Projection Shaoyan Gai1,2, a, Feipeng Da1,b 1 Key Laboratory of Measurement and Control for Complex System of Ministry of Education, Research Institute of Automation, Southeast University, Nanjing 210096, China 2 State Key Laboratory of Digital Manufacturing Equipment & Technology, Huazhong University of Science & Technology, Wuhan 430074, China a qxxymm@163.com, bdafp@seu.edu.cn Keywords: surface reconstruction, light projection, material detection Abstract.
A surface reconstruction method for material shape analysis is presented.
Acknowledgement This research is supported by National Natural Science Foundation of P.R.China No.60775025, Program for New Century Excellent Talents in University, Natural Science Foundation of JiangSu Province No.BK2007116.
[2] Wu, F.C., Wang, Z.H., Hu, Z.Y: International Journal of Computer Vision (2009), p.156 [3] Wei, Q., Wang, X H., Zhou, Z.Y., and Xiong, S.S.
:Optics and Precision Engineering Vol.17 (2009) , p. 1660 [4] Ying, X.H., Zha, H.B.: International Journal of Computer Vision (2008) , p. 156-184 [5] Srinivasan, V., Liu, H.

The specific surface area of received materials is comparable to volume silicon materials.
Materials are highly bioactive.
Journal of Sol-Gel Science and Technology. 26 (2003) 1239-1242
Materials Science and Engineering. 31 (2011) 983-991
Journal of Sol-Gel Science and Technology. (1998) 159-167

The starting materials used are nitrates of the metals or transition metals.
X-ray diffraction (XRD) showed that the materials are pure.
The problem with LiNi1-xCoxO2 materials is that it is difficult to obtain pure and single phase materials.
H2O, Fluka] were used as starting materials.
Lee: Journal of Power Sources 111 (2002), p. 97-103 [4] M.Y.

Introduction Polymeric composite materials (PCM) are more and more extensively used in all branches of industry.
Shyha Drilling of Titanium/CFRP/Aluminium Stacks, Key Engineering Materials. 447-448 (2010), pp. 624-633
Zhang Some observations in grinding unidirectional carbon fibre-reinforced plastics, Journal of Materials Processing Technology. 152 (2004), pp. 333-338
Komanduri Machining of Fiber-Reinforced Composite, Machining Science and Technology: An International Journal. 1(1) (1997), pp. 113-152
Fung Optimisation of Compaction and Liquid–State Sintering in Sintering and Dissolution Process for Manufacturing Al Foams, Materials Science and Engineering A. 364 (2004), pp. 118-126.

Damping Responses of Viscoelastic Composite Material Structure Muhammad Iqbal Sabir 1, a , Guo Wan-Tao2, b , Liu Er-Bao 1, c, Li Li1, d,* 1 College of Materials Science & Chemical Engineering, Harbin Engineering University, China 2 LuoYang Ship Material Research Institute, LuoYang, China a iqbalsabir@hotmail.com, b guowantao@sohu.com, c liutong_05@163.com, d,* lili_heu@hrbeu.edu.cn Keywords: Composite materials, Viscoelastic, nonlinear Damping, Vibration Abstract: The work reported in this paper describes the behavior and prediction of damping properties of the 3D composite laminated engine mount shell structure.
Viscoelastic materials have been widely used for that purpose.
The continuous desire for materials having excellent properties, which would be light, stiff and have better damping characteristics have lead to consider composite materials not only from the point of view of how stiff or strong they are, but also from the point of view of how good a damping they can provide.
Experimental and analytical characterization of damping is not easy, even with conventional structural materials; and the orthotropic type of composite materials get even more complex.
This study presents that composite materials have the potential to use as engine or damping mounting devices.

Materials Science Forum, 968 MSF, 361–367
Materials Science Forum, 1006, 47-54
In Materials Science Forum, 1006, pp. 55–61
Materials Science Forum, 1038, 33–39
Journal of Materials Chemistry.

Application of Metal Powder Metallurgy Technology in Prepartion of Friction Materials of the Railway Vehicles SHANG Feng1,a ZHOU Hai-xia2,b QIAO Bin1,c Li Hua-qiang1,d and HE Yi-qiang1,e 1School of Mechanical Engineering, Huaihai Institute of Technology, Lianyungang Jiangsu 222005, China 2College of Material Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang Jiangsu 212003, China ashf184518@163.com, b waihou295@163.com, cQiao6636@126.com, dlhq6729@163.com, eant210@126.com Key words：Powder metallurgy; Railway transport; Friction materials Abstract：With the speed up of the train, higher performance demands are put forward to the materials which have friction function.
(in Chinese) [2] H.X.Gao, J.X.Liu, R.M.Zhu: Journal of Materials Science and Engineering.
(in Chinese) [6] Y.Min, J.P.Ge, H.Zhao: China Science and Technology Information.
(in Chinese) [8] G.Q.Wang, J.C.Chen, J.L.Sun: Materials Review.
[10] Skai S , Suzuki H G, Mihara K: Materials Transactions.

The problem of an anti-plane crack situated in the interface of functionally graded piezoelectric materials (FGPMs) and homogeneous piezoelectric materials (HPMs) is considered under the impermeable assumption of crack surfaces.
However, for the interfacial crack problem of piezoelectric materials, some results have been reported.
Basic equations Fig. 1 shows the configuration of FGPMs bonded to HPMs denoted as materials 1 and 2, respectively.
Acknowledgements The research is supported by the National Natural Science Foundation of China (No11172332.)
Lee: European Journal of Mechanics - A/Solids.

Materials and Methods Parameters.
Journal of Electrochemical Science and Engineering, 13(1) (2023) 63-81
Materials, 10(10) (2017) 1123
Materials 13 (2020) 2157
Materials 11 (2018) 1532