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Although not being able to match the values at higher temperatures and temperature difference, other factors such as the cost and the environmental benefits of using oil palm waste material should be taken into consideration and hence encouraging its use as at least a supplement to existing insulation materials.
The test apparatus was first calibrated within common insulating materials, and all test procedures were carried out in accordance to ISO 1180 [7].
Hilton, Experimental, Operating and Maintenance Manual, Thermal Conductivity of Building and Insulating Materials Unit B480, B480M/E/3/003. (2004) [8] K.
Manohar, British Journal of Applied Science & Technology, 227- 239, (2012)
Shepard, Forest Products Journal, Vol. 54 (1), 92-94, (2004).

Microstructure, Mechanical Properties, and Electrical Resistivities of Mica Glass-Ceramics with Flake Phlogopite and Waste Glass Yufei Chen, Yan’gai Liu, Xiaowen Wu*, Zhaohui Huang and Minghao Fang School of Materials Science and Technology, China University of Geosciences (Beijing), Beijing 100083, PR China xwwu@cugb.edu.cn(Corresponding Author) Key words: mica glass-ceramic; waste glass; electrical resistivities Abstract.
Different mica glass-ceramic samples were fabricated by changing the formula of raw materials, molding process and sintering temperature.
Introduction Mica glass-ceramics are inorganic nonmetallic materials with the main crystalline phase of mica (KMg3(Si3Al)O10(OH)2).
Mica glass-ceramics are widely used as mechanical, electrical and biomedical materials due to their unique machinability and good electrical properties [3, 4].
Firstly, the raw materials of mica and glass were ground into fine powder which could pass through 100 mesh and then they were mixed with different proprotions.

Influence of Various Tin Ion Doped Amount on the Dielectric Properties of BMNS Ceramics Xinyou Huang 1,2, a, Musheng Huang 1,2,b, Chunhua Gao1,c and Yuan Zuo1,d 1 School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China 2 Jiangsu Province Key Laboratory of High-end Materials, Zhenjiang 212013, China ahuangxy@mail.ujs.edu.cn, b969738435@qq.com, cgaochh@mail.ujs.edu.cn, d451909269@qq.com Keywords: ceramics; tin ion doping; dielectric properties; high frequency Abstract.
Bi2(Znl/3Nb2/3)2O7(β-BZN) materials, a kind of dielectric materials with a monoclinic pyrochlore structure, have been recognized as potential candidates low temperature co-fired ceramics (LTCC) microwave dielectric materials because of their relatively low sintering temperature and superior dielectric properties [1-3].
While Bi2(Mgl/3Nb2/3)2O7(β-BMN) materials with higher tunability than Bi2(Znl/3Nb2/3)2O7 materials was prepared by using Mg instead of volatile zinc[4~9].
Some study found that Bi2 (Mg1/3Nb2/3)2O7 materials has superior dielectric properties [10].
Q.Zhang, S.W.Jiang: Electronic Components and Materials Vol. 31 (2012), p. 19 [5] D.

With low density, high stability and big energy absorption efficiency, metal foam energy absorbers are commonly used as filling materials to use cooperatively with other energy absorbers [2].
Composite technology is a new technology developed in the twentieth century, which are made of two or more than two materials through physical or chemical method.
As composite material possesses good properties of its component matrix materials, it is more and more used by people.
Acknowledgements This work was financially supported by the National Natural Science Foundation of China (51105358), the PhD Start-up Fund of Guangdong Natural Science Foundation (S2011040000945)， the Strategic Cooperation Project of Guangdong Province and Chinese Academy of Sciences (2011A090100019), and the Shenzhen Fundamental Research Project (JC201105190954A).
International Journal of Impact Engineering, 32 (2005), pp. 618–630

Thebault: Carbon Vol. 33 (1995), p. 525 [2] Yi Wang, Yongdong Xu, Yiguang Wang, Laifei Cheng, Litong Zhang: Materials Letters Vol. 64 (2010), p. 2068 [3] E.
Walker: Journal of the European Ceramic Society Vol. 30 (2010), p.2357 [4] Yongdong Xu, Yani Zhang, Laifei Cheng, Litong Zhang, Jianjun Lou, Junzhan Zhang: Ceramics International Vol.33(2007), p. 439 [5] K.
Kosmac: Journal of the European Ceramic Society Vol. 27(2007), p. 1211 [6] Chunman Zheng, Xiaodong Li, Yuxi Yu, Feng Cao: Polymeric Materials Science and Engineering (in Chinese), Vol. 21(2005), p. 6 [7] Qingsong Ma, Zhaohui Chen, Wenwei Zheng, Haifeng Hu: Ceramics International Vol. 31(2005), p. 305 [8] Xueqi Fan, Lai Chen, Shi Wu, Fengjun Zhang, Jiabao Zhang, Musu Ren, Jinliang Sun: Materials Science and Engineering, (in Chinese), Vol. 24 (2006), p. 920 [9] A.
Wielage: Carbon, Vol. 44(2006), p. 1994 [10] Guiming Song, Ying Wu , Houshan Bai , Yujin Wang, Yu Zhou, Tingquan Lei: Chinese Journal of Nonferrous Metals (in Chinese), Vol.10 (2000), p. 313 [11] J.
Penvecost: New York: Reinhold Publishing Corp, 1963:10 [12] Shi Wu , Lai Chen, Lin Qian, Jiabao Zhang,Jianfeng Pan, Chunjie Zhou, Musu Ren, Jinliang Sun: Journal of Chinese Ceramic society (in Chinese), Vol.36 (2008): p.973 [13] Guiming Song, Yujin Wang, Yu Zhou, Yingkui Guo, Guangwu Wen: Rare Metal Materials and Engineering, (in Chinese), Vol. 30(2001), p. 101

The activated carbon contains 85-95% carbon obtained from materials containing carbon and heated to high temperatures of about 500 ºC [11, 12].
The activated carbon is basically made from various materials that contain carbon, such as wood, bone, coconut shell, and sawdust residue.
Acknowledgment Full gratitude for the financial support provided by the Directorate of Research and Development of the University of Indonesia in the International Publication Indexed Grant (PUTI) program based on contract number NKB-1018 / UN2.RST / HKP.05.00 / 2020, and Postgraduate Program's support in Materials Science, University of Indonesia, for research facilities.
Kamdem, Characterization of palm kernel shell for materials reinforcement and water treatment, 5(May) (2014) 1–6
International Journal of Engineering Science and Technology, 3(12) (2011) 8238–8246

Based on this scenario, the rules for materials used in the mooring components presents a set of very stringent requirements.
Ramirez: Welding Journal Vol. 88 n.1 (2009), pp. 32-38
Svensson: Microstructure and properties of high strength weld metals, Materials Science Forum. 539-543 (2007), pp. 3937-3942
Souza: Materials Characterization Vol. 47 (2001), pp. 195-205
Haerian: Journal of Materials Science Vol. 44 n.1 (2009), pp. 186-197

Jawahir, «Finite element modelling of residual stresses in machining induced by cutting using a tool with finite edge radius,» International Journal of Mechanical Sciences, vol. 47, pp. 1611-1628, 2005
Zeren, «A methodology to determine work material flow stress and tool-chip interfacial friction properties by using analysis of machining,» Journal of Manufacturing Science and Engineering, vol. 128, pp. 119-129, 2006
Kapsa, «Identification of a friction model at tool/chip/workpiece interfaces in dry machining of AISI4142 treated steels,» Journal of Materials Processing Technology, vol. 209, pp. 3978-3990, 2009
Brocail, «Finite element modelling of orthogonal cutting: sensitivity analysis of material and contact parameters,» International Journal of Simulation and Process Modelling, vol. 7, pp. 262-274, 2012
Dautzenberg, «material behaviour in conditions similar to metal cutting: flow stress in the primary shear zone,» Journal of Materials Processing Technology, vol. 122, pp. 322-330, 2002

Construction and Building Materials Vol 23(2009), p. 3112
Applied Clay Science Vol 18(2001), p.285
Journal of Colloid and Interface Science Vol 332(2009), p. 145
Materials Research Bulletin Vol 45(2010), p.878
Journal of Materials Processing Technology Vol 191(2007), p.347

Acknowledgement The authors gratefully acknowledge the support provided for this research by China Scholarship Council (No.2009844130), National Natural Science Foundation of China (No.50905036) and Guangdong Natural Science Foundation (No.7301156).
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