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Yi 2,b 1 School of Materials Science and Engineering, Inha University, 253 Yonghyun-dong, Nam-gu, Incheon 402-751, Korea 2 Dept. of Mechanical and Materials Engineering, Portland State University, Portland, OR 97207, USA a mskim@inha.ac.kr, bsungyi@cecs.pdx.edu Keywords: Amorphous Al alloy, Amorphous/crystalline composite, Powder forging, Extrusion Abstract.
The advanced mechanical properties achieved in the Al-Ni/Al-Mg and Al-Ni/Al-Mn composite specimens may be correlated with the existence of unidirectional array of constituent powders.
Forum Vols. 475-479 (2005), p. 3493 [3] S.J.
Forum Vols. 510-511 (2006), p. 830 Fig. 5 Maximum compressive strength and compressive plastic strain for the bulk specimens forged at 648K (a) and extruded at 648K (b).

The proposed system offered a method to solve the practical engineering problems of supervisor management.
Xia: Computer Engineering and Design, Vol. 27 (2006), p. 1752 [4] M.B.
Wang: Journal of Chemical Engineering of Chinese University, Vol. 18 (2004), p. 643 [6] Y.
Forum, (1994), p. 85 [9] Y.
Forum, (2008), p. 247 [10] L.

PREFACE This volume contains some selected papers from the 2012 International Conference on Vibration, Structural Engineering and Measurement (ICVSEM2012) which is to be held in Shanghai, China, during October 19-21, 2012, and is co-organized by Guangzhou University, Cleveland State University, Xi'an Jiaotong University, Tongji University, The Hong Kong Polytechnic University, Shanghai Jiaotong University, Ritsumeikan University and University of Victoria.
The conference aims to provide a high-level international forum for scientists, engineers, and students to present their new advances and research results in the field of Vibration, Structural Engineering and Measurement.
This volume covered all aspects of vibration, structural engineering and measurement, particularly of vibration engineering, structural engineering, building materials, and measurement.
The editors hope that this volume will provide the reader a broad overview of the latest advances in the field of vibration, structural engineering and measurement, and that it will be a valuable reference source for further research.
Lin Cleveland State University, Cleveland, OH 44115-2214, USA July 12, 2012 The 2012 International Conference on Vibration, Structural Engineering and Measurement (ICVSEM2012) Sponsored by Guangzhou University, China Cleveland State University, USA Xi'an Jiaotong University, China Tongji University, China The Hong Kong Polytechnic University, Hong Kong Shanghai Jiaotong University, China Ritsumeikan University, Japan University of Victoria, Canada Conference Organization Conference Chairman Paul P.

Materials Science Forum Vols. *** (2004) pp.755-759 online at http://scientific.net Ó 2004 Trans Tech Publications, Switzerland Robust Position Controller Design For Linear Servo Units Used in Noncircular Machining S.T.
Hence, the MPRC as the feedforward controller is introduced in the paper, which need not have to identify the system model accurately and works only based on the frequency response data of the closed system, and the system tracking accuracy Advances in Materials Manufacturing Science and Technology 756 is improved [7].
From the block diagram in Fig.3, the output v is expressed as ()() uvdv vGsuGsd =+ (3) Li near Mot or Di st ur bance Obser ver Vel oci t y Cont r ol l er EFC Posi t i on Cont r ol l er MPRC ,vy e r + + + + Fig.1 The Overall Structure of The Proposed Robust Position Controller v + + + u d Gv( s) Gp( s) Fig.2 Conventional Control Scheme in Velocity Loop v + ++ u d Gp( s) Q( s) Gv( s) 1 ()Gns - + + ˆd Fig.3 Robust Control Scheme in Velocity Loop Materials Science Forum Vols. *** 757 where () vpn uv npnvpn GGG G GGGQGGG = +−+ , (1) () pn dv npnvpn GGQ G GGGQGGG − = +−+ (4) If Q(s)˜ 1, the three transfer functions in Eq. (4)~(6) become Guv˜ GvGn/( 1+GvGn), Gdv˜ 0.
This principle is illustrated as Eq.9 and Fig.5. 0 50 100 150 200 250 300 -10 -5 0 Frequency[Hz] magnitude[dB] 0 50 100 150 200 250 300 -150 -100 -50 0 Frequency[Hz]Phase[degrees] Fig.4 Measured Frequency Response Data of the Closed Loop System Advances in Materials Manufacturing Science and Technology 758 2 1 (()) 1 1(0)() () (0)() k ki N j N f k k XXk rie NAA p q − −Ω =  =+⋅  Ω  ∑ (9) where rf (i) is the control signal after MPRC , Gclose(z) is the discrete transform function of the cosled loop system.
Cheng: Chinese Journal of Mechanical Engineering Vol. 37 No.8 (2001), p. 43.

Bulk Mg produced by back pressure equal channel angular consolidation (BP- ECAC) Xiaolin Wu 1, a , Wei Xu 1, b , Masahiro Kubota2, c and Kenong Xia 1, d 1 Department of Mechanical Engineering and ARC Centre of Excellence for Design in Light Metals, The University of Melbourne, Victoria 3010, Australia 2 College of Industrial Technology, Nihon University,1-2-1 Izumi-cho, Narashino, 275-8575 Japan a xiaolinw@unimelb.edu.au, bweixu@unimelb.edu.au, ckubota@cit.nihon-u.ac.jp, d kxia@unimelb.edu.au Keywords: Magnesium; equal channel angular processing (ECAP); powder consolidation; particles; severe plastic deformation Abstract.
The ever increasing demands for using magnesium alloys have driven researchers to turn to the development of advanced materials using novel processing techniques such as severe plastic deformation (SPD).
Forum (2008), in press
Forum Vol. 503-504 (2006), p. 233
Forum Vol. 29 (2005), p. 441.

Study of mine environment monitoring system based on wireless sensor network Jun Wang1,a, Feng Wang2,b and Shuren Han1,c 1School of Mechanical and Electronic Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, China 2Nanjing Gaote Gearbox Manufacturing Co., Ltd, Nanjing 210012, China amkfriend@126.com, bwf0411@126.com, c18911107@qq.com Keywords: Wireless sensor network, Zigbee, Data fusion, Network topology, Early-warning system.
Forum Vol. 30(2011), p.837 (In Chinese) [2] Information on http://www.zigbee.org/ [3] Texas Instruments: CC2530 Data Sheet (Revision B) swrs081b (Texas Instruments, Texas 2011) [4] Qun Duan, A Ni Zhao: Advanced Materials Research.
Forum Vol. 411(2011), p.592 [5] Jian Hong Wang, Lei Liu: Applied Mechanics and Materials.
Forum Vol. 197(2011), p.7

China 3Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, NY 11794-2275, USA ayanglong@poshing.cn, bzhaolixia@poshing.cn, cwuhuiwang@poshing.cn, dyafei.liu@stonybrook.edu, etuerxun.ailihumaer@stonybrook.edu, fbalaji.raghothamachar@stonybrook.edu, gmichael.dudley@stonybrook.edu Keywords: 4H-SiC substrate; Homo-epitaxial layer; Defects morphology; Basal plane dislocations; Threading edge dislocations.
Synchrotron White Beam X-ray Topography (SWBXT) and Monochromatic Beam X-ray Topography (SMBXT) [10] were conducted at 1-BM, Advanced Photon Source at Argonne National Laboratory to analyze defect distribution of substrates and homo-epitaxial wafer with different thickness.
Forum. 778-780 (2014) 851-854
Forum. 778-780 (2014) 26-30
Forum. 778-780 (2014) 328-331

Currently, many larger parts are sliced, sectioned or otherwise altered in order to provide access and thereby exploit the capabilities of advanced neutron and synchrotron diffraction instruments [[] S.V.
Oliver, Residual stress in a thick section high strength T-butt weld, Materials Science & Engineering: A, 480 (2008) 411-418. ,[] A.
One could then use advanced mapping capabilities with synchrotron or neutron diffraction to reconstruct a full map of the full stress tensor.
Some other recent work combining two destructive methods has resulted in other advanced capabilities.
Smith, An integrated approach for measuring near-surface and subsurface residual stress in engineering components, The Journal of Strain Analysis for Engineering Design, 39 (2004) 483-497. ].

Wagner2,f, Birgit Awiszus1,g, Bohuslav Masek4,h 1TU Chemnitz, Professorship Virtual Production Engineering, Chemnitz, Germany 2TU Chemnitz, Professorship of Materials Engineering, Chemnitz, Germany 3University of West Bohemia, RTI, Pilsen, Czech Republic 4COMTES FHT, Dobrany, Czech Republic amarcel.graf@mb.tu-chemnitz.de, bsebastian.haertel@mb.tu-chemnitz.de, calexander.bauer@mb.tu-chemnitz.de, dwolfgang.foerster@mb.tu-chemnitz.de, edagmar.bublikova@rti.zcu.cz, fmartin.wagner@mb.tu-chemnitz.de, gbirgit.awiszus@mb.tu-chemnitz.de, hbmasek@comtesfht.com Keywords: QP process, bulk forming, numerical simulation, cooling behaviour, modelling Abstract.
The aim is to realize a Q&P (Quenching and Partitioning) process for a hot forged component made of low-alloyed advanced high-strength steel (AHSS) 42MnSiCr.
Speer, Quenching and partitioning martensite - A novel steel heat treatment, Materials Science & Engineering A 438–440 (2006) 25–34
Klaubeová, The Effect of Mn and Si on the Properties of Advanced High Strength Steels Processed by Quenching and Partitioning, Materials Science Forum 654-656 (2010) 94-97
Zhao, Comparative study on microstructure and mechanical properties of a C-Mn-Si steel treated by quenching and partitioning (Q & P) processes after a full and intercritical austenitization, Materials Science & Engineering A 684 (2017) 261–269

Materials Science Forum Vols. *** (2004) pp.528-531 online at http://scientific.net  2004 Trans Tech Publications, Switzerland Pneumatic Proportional Position Control System Based on BP Neural Networks Y.J.
Li 2,c 1 College of Mechanical Engineering, Shandong University, Jinan 250061, China 2 Shandong Light Industry Institute Jinan 250100, China a lyj111@sdu.edu.cn, bkxz8056@163.com, cygxylzw@163.com Keywords: Pneumatic proportional system, Position control, NNC, BP networks Abstract.
Materials Science Forum Vols. *** 529 A three-layer BP network is presented in this paper, the network configure is shown in Fig.2.
Therein, the cylinder is Advances in Materials Manufacturing Science and Technology 530 DGPL-25-500-PPV-A-GF-B type rodless cylinder from Germen FESTO Corporation, the displacement sensor is MLO-POT-500-TLF type, the proportional valve is MPYE-5-1/8-010B type electro-pneumatic proportional directional valve from FESTO Corporation, A/D,D/A transform is implemented by HY－6070 general-purpose data acquisition controlling board .
Materials Science Forum Vols. *** 531 Fig.4 Experimental result whenυ0=0.7m/s, L=100mm Fig.5 Experimental result when Fig.6 Experimental result when υ0=1.5m/s, L=100mm υ0=1.5m/s, L=60mm As shown in the experiment, the greater the muzzle velocity is, the greater the buffer overshoot beginning phase displacement.