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Materials Science Forum Vols. *** (2004) pp.707-710 online at http://scientific.net  2004 Trans Tech Publications, Switzerland A New Parallel Robot for Steel Snagging B.F.
Cai2,c 1 College of Mechanical Engineering and Automation, Fuzhou University, Fuzhou, Fujian, 350002, China 2 School of Mechanical Engineering & Automation, Northeastern University, Shenyang, Liaoning, 110004, China a fbf@fzu.edu.cn, bshihong@tom.com, cgqcai@ln139.com.cn Keywords: Parallel robot, Kinematics, Dynamics, Workspace, Steel snagging Abstract.
Fig.1 3-DOF 3-legged parallel robot with horizontal slide 3-link for steel snagging Advances in Materials Manufacturing Science and Technology 708 Kinematics and Dynamics Behavior Kinematics Behavior.
The abrasive grains should not A A z x y A1(x1,-A,0) A2(x2,0,0) A3(x3,A,0) p(xp, yp, zp) l l Fig.2 Abbreviated drawing of mechanism o l Materials Science Forum Vols. *** 709 0 20 40 0 60 120 Zw[kg/h] P[kw] Fig.4 The relationship between the grinding power P and the material removal rate Zw be removed from the wheel easily.
The relationship between metal removal rate Zw and grinding power P is shown in Fig.4. 0 100 200 0 2500 5000 Fn[N] Zw[kg/h] 1 2 Advances in Materials Manufacturing Science and Technology 710 The relationship between metal removal rate Zw and grinding power P can be fit as P=kZw m ( 2 ) where k, m is coefficient.

Introduction The SCWR is selected as one of the Generation IV nuclear systems by the Generation IV International Forum (GIF), and it is the unique reactor of water-cooling in GIF.
In early 1960s, many advanced country in nuclear began to research MOX fuel.
References [1] U.S: DOE Nuclear Energy Research Advisory Committee, the Generation IV International Forum.
Starflinger, et al: Nuclear Engineering and Design, 2007, 237, p.513
YIN: Nuclear Science and Engineering, 2008,28(4),p.305(in Chinese)

Energy Band Structure of SiO2/4H-SiC Interfaces and its Modulation Induced by Intrinsic and Extrinsic Interface Charge Transfer Heiji Watanabe1,a, Takashi Kirino1, Yusuke Kagei1, James Harries2, Akitaka Yoshigoe2, Yuden Teraoka2, Shuhei Mitani3, Yuki Nakano3, Takashi Nakamura3, Takuji Hosoi1 and Takayoshi Shimura1 1Department of Material and Life Science, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan 2Japan Atomic Energy Agency, 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5148, Japan 3New Material Devices R&D Center, ROHM CO., LTD., 21 Saiin Mizosaki-cho, Ukyo-ku, Kyoto 615-8585, Japan awatanabe@mls.eng.osaka-u.ac.jp Keywords: MOS devices, energy band structure, conduction band offset, interface defects, synchrotron radiation x-ray photoelectron spectroscopy Abstract.
Introduction Despite the excellent features of SiC material for advanced power electronics, the performance of SiC-based metal-oxide-semiconductor field-effect transistors (MOSFETs) has suffered from degraded inversion channel mobility.
Therefore, fundamental tactics, such as applying deposited high-permittivity gate oxides [7] and band engineering by utilizing stacked structures, are indispensable to take advantage of C-face SiC-MOS devices.
Forum Vols. 615-617 (2009), p. 557 [4] Y.
Forum Vols. 615-617 (2009), p. 541

Insulating Properties of Package for Ultrahigh-Voltage, High-Temperature Devices Toshihiko Hayashia, Toru Izumib, Tetsuro Hemmic and Katsunori Asanod Power Engineering R&D Center, Kansai Electric Power Co., Inc., 3-11-20 Nakoji, Amagasaki, Hyogo, 661-0974, Japan ahayashi.toshihiko@b4.kepco.co.jp, bizumi.toru@d5.kepco.co.jp, ctetsuro.hemmi@e2.kepco.co.jp, dasano.katsunori@c2.kepco.co.jp Keywords: 4H-SiC, package, power module, Si3N4, AlN, insulating property, breakdown strength Abstract.
At least, even if sufficient insulating properties are provided at room temperature, it is necessary to check the temperature dependence of an insulator’s insulating characteristics in advance for the possibility of deterioration, depending on the manufacturing process.
Forum, Vols. 717-720 (2011), pp.1219-1224 [3] K.
Forum, Vols. 717-720 (2011), pp. 1233-1236 [4] T.
Peier, High Voltage Engineering Symposium, Vol. 4 (1999), pp. 373-376 [6] S.

Materials Science Forum Vols. *** (2004) pp.409-413 online at http://scientific.net  2004 Trans Tech Publications, Switzerland Mathematical Description of Spatial Hob-Generating Motion for an Arbitrary Gear Tooth Profile X.Y.
Ai1,c 1 School of Mechanical Engineering, Shandong University, Jinan 250061, P.R.China a fxying@sdu.edu.cn, blihuifs@sdu.edu.cn, caixing@sdu.edu.cn Keywords: Hob generating motion, Arbitrary gear tooth profile, CNC hobbing, Cutting-edge Abstract.
So, in accordance with the spatial three-dimension mesh theory [3], the coordinate systems Advances in Materials Manufacturing Science and Technology 410 describing the generation motions between hob and workpiece can be setup in Fig. 1.
So, the axial section of this type of hob can be symplified as a spur rack to study. 1 2 3 4 5 7 8 z c M(Yi,Zi) y 2.25m n R aT O c ρ T 6 c (yh) Fig.3 The axial section of hob (amplified) i c i n c c i c y z z tg y z z z ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( )cos / , 0 1 0 0 1 0 1 0 0 2 0 = − + < < λ α )0(3 )0()0(2 )0(7 22)0(3 )0(2 )0( , cos)( cicc ciT i zzzy zz y ≤<+ −−= λ ρ y R z z z i aT c i c ( ) ( ) ( ) ( ) , 0 3 0 0 4 0 = − < ≤ )0(5 )0()0(4 )0(7 22)0(3 )0(2 )0( , cos)( cicc ciT i zzzy zz y ≤<+ +−−= λ ρ )0(6 )0()0(5 )0(1 )0()0(1 )0( ,/cos)( ciccn ic i zzzytg zzy ≤<+ += αλ (2) Advances in Materials Manufacturing Science and Technology 412 Fig.3 shows the amplified axial section of tooth number 0.
As long as flexible controlling these motions, an arbitrary specific tooth profile can be machined, but this must Materials Science Forum Vols. *** 413 be realised by means of modern CNC gear hobbing machine.

With lower rotation and advance speeds, the heat generation during welding is lower, which can reduce the development of thermal stresses.
The combination of advance speed of 70 mm/min with the rotation speed of 340 RPM and advance speed of 180 mm/min with rotation of 340 RPM provided better results of the mechanical properties, as well as a lower level of residual stresses.
Huber: Materials Science &Engineering.
Pyzalla: Journal of Materials Science and Engineering Vol. 42, (2007), p. 4205.
Jung: Materials Science Forum Vols. 475-479 (2005), p. 555

Materials Science Forum Vols. *** (2004) pp592-595 online at http://scientific.net  2004 Trans Tech Publications, Switzerland The Inverse Kinematics Algorithm of Redundant DOF Robot Y.
Wang 1,b 1 School of Mechanical Engineering, Shandong University, Jinan 250061, China a meywang@sdu.edu.cn, b lwang@163.com Keywords: Redundant robot, Inverse kinematics, Optimization, Control Abstract.
GMP (Gradient Projection Method) incorporates the choice of φ& in the Equ.1 and performance optimization criterion H(q), that is, Materials Science Forum Vols. *** 593 )(qHk∇=φ& ( 2 ) where ▽H(q)= q qH ∂ ∂ )( is the gradient vector of performance optimization criterion H(q); k is the self-motional amplificatory factor.
When 0>µ , the optimization can Advances in Materials Manufacturing Science and Technology 594 not be realized.
Every joint angular velocity is all within the permitted range, ( )4,3,2,1secdeg/90 = ≤ i q& , but every joint angular velocity differs greatly, and the Materials Science Forum Vols. *** 595 magnitude lies in area coverage ]secdeg/20secdeg/20[− nearly (Fig.1b).

Preface This volume contains some selected papers from the 2015 International Conference on Advanced Materials Engineering and Technology (ICAMET 2015) which is to be held in Kaohsiung, Taiwan during December 4-5, 2015, and is organized by Malaysian Research & Innovation Society (MyRIS) and Centre of Excellence Geopolymer & Green Technology (CEGeoGTech), Universiti Malaysia Perlis.
The conference aims to provide a high level international forum for researchers, engineers and scientists to present their new advances and research results in the field of advanced materials engineering and technology.
This volume covered all the aspects of advanced materials engineering and technology, particularly of advanced characterization, biomaterials, biotechnology and life sciences, building materials, coating and surface engineering, composite and polymer materials, optical and photonic materials and any other related topics.
The editors hope that this volume will provide the reader a broad overview of the latest advances in the field of advanced materials engineering and technology, and that will be as valuable reference source for further research.
Mohd Mustafa Al Bakri Abdullah Liyana Jamaludin Rafiza Abdul Razak Muhammad Faheem Mohd Tahir Universiti Malaysia Perlis, MALAYSIA December, 2015 Committees Co-organized by World Invention Intellectual Property Association (WIIPA) International Federation of Inventor's Association (IFIA) Faculty of Materials Science and Engineering, Gheorge Asachi Technical University of Iasi, Romania International Advisory Board Prof.

Materials Science Forum Vols. *** (2004) pp.144-148 online at http://scientific.net  2004 Trans Tech Publications, Switzerland Molecular Dynamics Simulation on the Mechanism of Nanometric Machining of Single-crystal Silicon H.
Zhu 1,d 1 School of Mechanical Engineering, Tianjin University, Tianjin, 300072, China a wuhui_tju@163.com, blinbinph@hotmail.com, cyusiyuan@eyou.com,d zhuhongtao8516@sina.com Keywords: Molecular dynamics, Simulation, Nanometric cutting, Silicon, Hydrostatic pressure Abstract.
To eliminate the rigid body motion of the specimen and guarantee reasonable heat conduction outwards the specimen, there are Materials Science Forum Vols. *** 145 boundary atoms, which are fixed to the space, and thermostat atoms, which absorb the heat conducts towards the boundary; surround the Newtonian atoms of silicon.
Advances in Materials Manufacturing Science and Technology 146 Table 1 Parameters in Tersoff potential for silicon parameter value A[eV] 1.8308×10 3 B[eV] 4.7118×10 2 S[nm] 0.3 R[nm] 0.27 λ[nm -1] 2.4799 μ[nm -1] 1.7322 β 1.1000×10 -6 n 0.78734 c 1.0039×10 5 d 16.217 h -0.59825 Morse potential is shown below
Advances in Materials Manufacturing Science and Technology 148 Conclusions With the aid of the molecular dynamics simulation, some fundamental problems of mechanics associated with the nanometric cutting of single-crystal silicon are investigated in the paper.

Materials Science Forum Vols. *** (2004) pp.750-754 online at http://scientific.net Ó 2004 Trans Tech Publications, Switzerland A Surface Modification Method by EDM and Its Application to Cutting Tools W.S.
In the process of EDM, the substances of which the electrode is constructed are to be cross the gap region between the electrode and the workpiece and be attached to the surface of workpiece quickly under Fig.1 Principle of EDM Surface Modification Electrode Kerosene Power supply Clamp Workpiece Sparkle - + TiC Coating Fig.2 Micrograph of cross section of layer Layer Matrix Materials Science Forum Vols. *** 751 high temperature.
The definition of energy density is: (3) E - energy density (J/m²) n - times of discharge t - duty factor (%) A - machining area (m2) to - discharge interval (µs) t - machining time (s) Attiu A tt t tiu Antiu AnWE ee 0i iee iee M ⋅⋅⋅= + ⋅⋅⋅= ⋅⋅⋅= ⋅=Advances in Materials Manufacturing Science and Technology 752 The basic machining parameters are shown in Table 1.
Fig.3 Relation between wear length and energy density Machining area 100mm 2 0 100 200 300 400 500 0 10 20 30 40 50 60 Energy density (106 J/m 2 ) Wear length (µm) No.1 No.2 No.3 No.4 No.5 No.6 Fig.4 Relation between wear length and energy density A=25mm 2 A=100mm2 A=225mm 2 No.1 No.4 A=25mm 2 A=100mm 2 A=225mm 2 Energy density (106 J/m 2 ) Wear length (µm) 0 100 200 300 400 500 0 10 20 30 40 50 60 Materials Science Forum Vols. *** 753 Fig.6 and Fig.7 show the relation between average thickness and machining time using machining conditions No.3 and No.6 with different machining area.
Chu: Tool Engineering Vol.34(2) (2000), p. 3 [2] W.S.