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Wu 2,c 1 Dept. of Precision Instruments and Mechanology, Tsinghua University, Beijing, China, 100084 2 Dept. of Machine Intelligence & Systems Engineering, Faulty of Systems Science and Technology, Akita Prefectural University, 84-4 Tsuchiya-Ebinokuchi, Honjo, Akita 015-0055, Japan a chenghb@mail.tsinghua.edu.cn, bfengzj@pim.tsinghua.edu.cn, cwuyb@akita-pu.ac.jp Keywords: Magnetorheological finishing, Asphere, Interferometric testing, Magnetic dipole Abstract.
Materials Science Forum Vols. *** 7 Principle of MRF System Fig.1 (a) and (b) show a photograph and the principle of a MRF system developed in house, respectively.
Wu: Key Engineering Materials, Vol. 257-258 (2004), p. 153 [2] O.
Frankena: Applied Optics, Vol. 37 (1998), p. 6771 Advances in Materials Manufacturing Science and Technology 10 [3] G.
Paula: Mechanical Engineering, Vol.119 (1997), p. 88 [4] H.

Increasing contributions to the field from disciplines like genetics, biochemistry, electrochemistry, microbiology, hydrometallurgy, chemistry, geology and process engineering have affected the rapid development as well as pressure from legislation of the European Union and of national governments.
The Symposium provides a forum to present the latest scientific and technological advances in this area, and an opportunity for biotechnologists, practitioners and environmentalists to meet and discuss challenging future trends in the field.
Therefore, the meeting will be an opportunity for scientists and engineers from all over the world to study biohydrometallurgical applications, to learn how to implement them as well as to find and/or facilitate new ways of collaboration.

Materials Science Forum Vols. *** (2004) pp.855-859 online at http://scientific.net  2004 Trans Tech Publications, Switzerland Collision and Determination of Workpiece Location in Parallel Mechanism Type Machine Tools X.M.
Wang1,c 1 School of Mechanical Engineering, Shanghai Jiaotong University, China a xmzhao@sjtu.edu.cn, bbiyuzhao@sjtu.edu.cn, chlwang@sjtu.edu.cn Keywords: Parallel mechanism type machine tools, Collision check, Avoidance, Tool path, Location Abstract.
Advances in Materials Manufacturing Science and Technology 856 Collision Checking and Avoiding The HexaM, magazine and workpiece are shown in Fig.1.
Hattori: Journal of the Japan Society for Precision Engineering Vol. 63 (1997), p. 1671 [2] Z.H.
Liu, et al: China Mechanical Engineering.

Liu1,c 1 College of Materials Science ＆ Engineering, Northwestern Polytechnical University P.O.
Fig.3 shows the Advances in Materials Manufacturing Science and Technology 840 initial mesh system of the workpiece with 1728 eight-node brick elements and 2231 nodes totally.
Materials Science Forum Vols. *** 841 Unevenness of Deformation.
Materials Science Forum Vols. *** 843 References [1] D.Y.
Yoon: Journal of Materials Engineering and Performance Vol. 2 (1993), p. 119 [2] M.

Introduction Polycrystalline thin films have been applied to advanced electronic devises.
However, grain boundary engineering has been little applied to development of high performance thin films and coatings.
Grain boundary engineering for control of electromigration in gold thin films.
Oikawa: Mater Sci Forum Vols.157-162(1994), p.1103
Forum Vols. 94-96 (1992), p. 245

The proceedings of ICSTMC2012 have been published by Advanced Engineering Forum (ISSN: 2234-9898), which include 47 excellent papers selected from more than 220 submitted paper(s) whose authors involved at least countries and areas such as Belgium, China, India, Korea, Iran, Hong Kong, Egypt, Thailand, Taiwan.
The conference is intended to bring together the researchers and engineers/technologists working in different aspects of materials, mechanical, electronic, computer, communication and other topics.
Kiyoshi Asai from National University of Laos of Laos and Biswanath Vokkarane from Society on Social Implications of Technology and Engineering.
Tianharry Chang ICSTMC2012 Organizing Committee Keynote Speaker and Academic Chair Gerald Schaefer, Loughborough University,UK Honorary Conference Chairs Kiyoshi Asai, National University of Laos, Laos Biswanath Vokkarane, Society on Social Implications of Technology and Engineering General Chairs Tianharry Chang, University Brunei Darussalam, Brunei Darussalam Harry Chang, University Brunei Darussalam, Brunei Darussalam Program Chairs David Wang, IEEE Nanotechnology Council Cambodia Chapter Past Chair , Cambodia Tianbiao Zhang, Huazhong Normal University, China Pubication Chair Tianharry Chang, University Brunei Darussalam, Brunei Darussalam International Commitees Yiyi Zhouzhou, Azerbaijan State Oil Academy,Azerbaijan Dehuai Zeng, Shenzhen University, China David Wang, IEEE Nanotechnology Council Cambodia Chapter Past Chair , Cambodia Srinivas Aluru, ACM NUS Singapore Chapter, Singapore Tatsuya Akutsu, ACM NUS Singapore Chapter,

The volume tends to present to the readers the recent advances in the filed of materials manufacturing technology.
Thanks are also given to postgraduate students of School of Mechanical Engineering at Shandong University for their editing work.
Finally, the Organizing Committee of IMCC 2004 is deeply indebted to Professor Xipeng Xu, HuaQiao University, for his dedicational effort to arranging the publication of the selected papers in this volume of Materials Science Forum; and Trans Tech Publications for producing the volume.

Continuing the success of conferences organized in Beijing (CICC-1, 1998), Kunming (CICC-2, 2001), Shenzhen (CICC-3, 2004) and Chengdu (CICC-4, 2005), CICC-5 offered an international forum for the presentation, discussion and review of the latest advances in science and technology of high-performance ceramics.
Pan Wei and Jianghong Gong Department of Materials Science and Engineering Tsinghua University Beijing 100084 China

Consequently, we invite some prominent researchers in this field to contribute research and review papers on the advances in nanostructured materials processed by SPD to this special topic volume of Materials Science Forum.
Liao School of Aerospace, Mechanical and Mechatronic Engineering University of Sydney, Sydney, NSW2006, Australia xliao@usyd.edu.au Y.
Zhao 2Department of Chemical Engineering and Materials Science University of California, Davis, CA 95616, USA yhzhao@ucdavis.edu

Study on Thixo-forging of AZ61 Wrought Magnesium Alloy Hong Yan1,a, Bingfeng Zhou 1,b and Wei Pan 2,c 1 Institute of Advanced Forming & Manufacturing and Die & Mold, Nanchang University, 999 Xuefu Road, Nanchang 330031 China 2 Jiangxi Institute of Measurement and Testing, 045 Zhannan Road, Nanchang 330002, China a hyan@ncu.edu.cn, b missr35@yahoo.com.cn, c weipan_63@yahoo.com.cn Keywords: semi-solid, wrought magnesium alloy, thixo-forging, numerical simulation.
Comparisons between forging and thixoforming of the workpiece would be done and predicted in advance using numerical simulation.
XIA: Materials Science Forum Vol. 488-489 (2005), p. 389 [2] M C Flemings: Metall Trans Vol.2 (1991), p.4019 [3] H.
Zhou: Materials Science and Engineering B Vol.132 (2006), p. 179 [4] H.
YAN, C.XU: Materials Science Forum Vol. 532-533 (2006), p.701