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A Three-Element Handheld Mobile Communication Antenna for Desired Signal Reception and Reflected Signal Cancellation Paul Ratnamahilan Polycarp Hoole1, Lwin Maw Abdul Raheem2, Harikrishnan Ramiah2, Jeevan Ganeshan2, and Samuel Ratnajeevan Herbert Hoole3,a 1School of Engineering, Taylor’s University, Kuala Lumpur, West Malaysia 2Department of Electrical Engineering, University of Malaya, Kuala Lumpur, West Malaysia 3Office of the Coordinator for Engineering, University of Jaffna, Jaffna, Sri Lanka aCorrespondence: SRHHoole@gmail.com Keywords: antenna diversity, handheld phone, mobile station, smart antennas, adaptive antennas, electromagnetic signal processing, wireless communications Abstract.
[5] Ji-yu An, Li Zhang and Song-bo Ma: Materials Science Forum Vols. 663-665 (2011) pp. 1192-1195 [6] A.
Glisic, Advanced Wireless Communications (John Wiley, 2004) [8] W.C.
Friedlander, IEEE Journal of Oceanic Engineering, Vol.
Hoole: A Modern Short Course in Engineering Electromagnetics, (Oxford University Press, 1996)

A Study of Numerical Modelling of Liquid Filler Flow within Braze Gap on Vacuum Brazing Pei-Yao Li a, Zhi-Shui Yu b School of Materials Engineering, Shanghai University of Engineering Science, Shanghai 201620, China apeiyaoli@sues.edu.cn, byu_zhishui@163.com Keywords: vacuum brazing; brazing gap filling; numerical modelling; Abstract.
However, up to now, the most of the process of design in the welding industry is still based on the intuition and experience of welding engineers and designers.
Acknowledgments Support of this research by Shanghai Leading Academic Discipline Project(Project Number: J51402) and Leading Academic Discipline Project of Shanghai University of Engineering Science(Project Number: No.xk0705) are gratefully acknowledged.
References [1] F.M.Hosking et al: Thermal and fluid flow brazing simulation. in ‘Proc. 1st Advanced brazing and soldering technologies IBSC conf.
Materials Science Forum, vol. 575-78 (2008), pp.716-721 [9] S.V.Patankar, Numerical Heat Transfer and Fluid Flow, Hemisphere Publishing Corporation, New York, 1980

On Fig. 4 is example of CAD model of parts in Pro/ENGINEER.
In: Proceedings of 15th International Conference on Intelligent Engineering Systems, Poprad (2011), p. 77-80
Materials Science Forum, Vol. 713 (2012), p. 61-66
INES 2012 - IEEE 16th International Conference on Intelligent Engineering Systems, Proceedings, art. no. 6249805 (2012), p. 73-76
Advanced Materials Research, Vol. 740 (2013), pp. 597-602, ISSN 1022-6680.

Effects of SiO2 Particles in Mechanical Properties of Iron Composite Adibah Amir1, a and Othman Mamat2,b 1,2Dept of Mechanical Engineering Universiti Teknologi PETRONAS, Perak, Malaysia aadibah@me.com, bdrothman_mamat@petronas.com.my Keywords: powder metallurgy, silica particles, iron composite, ball milling Abstract.
The initial improvement exhibited by the composite is a motivation for more advanced research in producing higher resistance iron-silica composite.
Norton, Ceramic Materials, Science and Engineering, Springer 2007 [3] T.
Yang, Efficient, One-step mechanochemical process for the synthesis of ZnO nanoparticles, Industrial and Engineering Chemistry, 47, 2008, pp. 1095-1101
Mamat, Characterization and properties of iron/silica sand nanoparticles composites, Defect and Diffusion Forum, 316-317, 2011, pp. 97-106

Analysis of Severe Plastic Deformation and Recrystallization of Cu under Instantaneous Extrusion and High Speed Friction Junhui YIN 1, a, Jian ZHENG 1, Changzhi JIA 1 and Chao XIONG 1 1Ordnance Engineering College, Shijiazhuang, Hebei, China ayuanzhidao@163.com Keywords: Cu; Severe Plastic Deformation (SPD); Recrystallization; Instantaneous Extrusion; Scanning Electron Microscopy (SEM) Abstract.
Defect and Diffusion Forum (Volumes 297-301), 2010: 1312-1321
Doctoral Dissertation of Ordnance Engineering College, 2008: 22-23
Advanced Materials Research (Volumes 26-28), 2007: 1279-1282

STUDY OF FORGING PROCESS OF YTTRIUM-MODIFIED A356 ALUMINUM ALLOY AND NUMERICAL SIMULATION BY THERMO-VISCOPLASTIC FINITE ELEMENT METHOD HENG KEONG KAM1,a *, CHAN CHIN WANG2,b , YING PIO LIM3,c, and WEN CHIET CHEONG4,d 1-4Department of Mechanical and Material Engineering , Universiti Tunku Abdul Rahman, Malaysia akamhk@utar.edu.my, bwangcc@utar.edu.my, climyp@utar.edu.my, d cheongwc@utar.edu.my Keywords: A356 aluminum alloy, thermo-viscoplastic FEM, metal flow simulator, forging ABSTRACT IN THIS STUDY, A356 ALUMINUM ALLOY WAS HEATED UP TO SEMI-SOLID STATE AND USED AS A BILLET FOR FORWARD AND BACKWARD EXTRUSION.
The motivation of this research is to introduce advanced manufacturing technology of semi-solid metal processes to the local industry by carrying out the basic research findings in order to support the industry as platform to acquire design know-how in producing high precision and sophisticated components and also in compliance with the government policy of energy saving and emission reduction.
Lim, Evaluation of Al-5Ti-1B and Al-10Sr in LM6 sand castings, Journal of Achievements in Materials and Manufacturing Engineering. 34/1 (2009) 71-78
Wang, Finite element simulation for forging process using euler’s fixed meshing method, Materials Science Forum. 575-578 (2008) 1139-1144

Chang2 1 Dept. of Advanced Materials Science and Engineering, Mokpo National University, 61 Dorim-ri, Chyunggye-myun, Muan-gun, 534-729, Korea 2 Dept. of Materials Engineering, Hankuk Aviation University 200-1, Hwajon-dong, Deokyang-gu, Koyang-city, Kyonggi-do, 412-791, Korea Keywords: accumulative roll bonding process, metal matrix composite, ultrafine grain, mechanical property Abstract.
Sci., Forum Vol. 331-337 (2000), p.1169. 1µm 1µm Fig. 4 TEM microstructures and the corresponding SAD patterns observed at the rolling plane of monolithic 6061 aluminum powder compact processed by the ARB.

Introduction The exhausting of fire smoke is so important that 85% of the fire victim die of suffocation, which is caused by the fire smoke, and the fire smoke exhausting robot produced by the Shanghai Fire Institute of Ministry of Public Security is the most advanced equipment in this area.
Chinese Journal of Mechanical Engineering,2000,36(12):9-13
Proceedings of the Institute of Marine Engineering, Science and Technology.2005, A6t 43-48
[4] Information on http://forum.simwe.com/archiver/tid-451394.html

Study on the Flow Stress curve of the Warm Deformation of Medium Carbon Steel Zhijie LI1, 2, Yan Peng*,1, 2,3, Hongmin Liu1, 2 , Lizi Xiao2, Sufen Wang1,2 and Peng Gao2 1 State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, China 2 National Engineering Research Center for Equipment and Technology of Cold Rolling Strip, Yanshan University, Qinhuangdao 066004, China 3School of Mechanical Engineering, University of Science & Technology, Beijing 100083, China *Corresponding author: pengyan@ysu.edu.cn Keywords: Gleeble-3500, Medium carbon steel, Warm deformation, Flow-stress, Thermal/mechanical simulation.
(3) In the initial softening part, the flow stress was advanced, and the rate of work-hardening () was decreased clearly
Materials Science Forum.

Development of Apparatus for Evaluation of Wrinkles in Sheet Metal Forming Using Angle Beam Technique Yuji Segawa1,a, Daichi Nishikubo1, Yasuo Marumo2,b, Tomohiro Nonaka3,c and Yutaka Sakata4,d 1Department of Mechanical Engineering, National Institute of Technology, Miyakonojo College, 473-1, Yoshio-cho, Miyakonojo, Miyazaki, 885-8567, Japan 2Faculty of Advanced Science and Technology, Kumamoto University, 2-39-1, Kurokami, Chuo-ku, Kumamoto, 860-8555, Japan 3NONAKA 3D Laboratory, 1-6-29, Hikino, Yahatanishi-ku, Kitakyushu, Fukuoka, 806-0067, Japan 4Department of Integrated System Engineering, Nishinippon Institute of Technology, 1-11, Aratsu, Kanda-machi, Miyako-gun, Fukuoka, 800-0394, Japan ay_segawa@cc.miyakonojo-nct.ac.jp, bmarumo@mech.kumamoto-u.ac.jp, cnonaka3d@gmail.com, dysakata@nishitech.ac.jp Keywords: Sheet metal forming; Wrinkle; Defect; Detection; Inspection; In-process; Ultrasonic wave; Angle beam technique Abstract.
Forum, Vol. 382 (2018), pp. 127-131.